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Shooting Games → Tower Defense Alien War Game
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Description of Tower Defense Alien War Game
Tower Defense Alien War game is in the category of Shooting Games and you can play this free game at OB Games. Alien war is a thrilling game with the concept of defense. You have to protect your castle with your upgradable guns and guided missiles from the invasion of alien troops. In each stage, you are supposed to destroy the invaders and earn as much gold as you can.
Instructions:
Take aim with Mouse. Don't forget to collect coins by clicking after all.
General Instructions:
You can play this game for free. On your computer, you can play this game with your mouse or the arrow keys on your keyboard. On your mobile phone or tablet, you can play this game on touch screens by tapping or swiping. The game should fit on your screen. If there is a notification about the orientation of your phone or tablet, please rotate your phone or tablet to correct the orientation. Refresh the page if necessary. If you need help, please leave a comment below the game. You can open other games from below by selecting the recommended games, next or previous games. You can also browse the category you want to play. We wish you luck...
Recommended Games:
Empire Rush Rome Wars Tower Defense
Empire Rush Rome Wars Tower Defense
Join Empire Rush: Rome Wars...Epic Castle Defense!
Enjoy one of the best conquest games! Fight the fiercest battles with strategy. Take part in a rush wars to rise the great empire of the age. ROME!
BUILD YOUR EMPIRE! If you love Tower Defense (TD), Conquest games and Collectible Cards, Empire Rush: Rome Wars merge these features and leads you on a journey filled with epic battles to conquer the world!
CRUSH THE HORDE! Rome is the most powerful empire of the age, and grows by the power of Caesar and his warriors, but now it is begin to be under siege by barbarian hordes to demise Caesar. DEFEND THE EMPIRE!
Join Empire Rush: Rome Wars! JOIN THE BATTLE! ??
?ROME WARS! Ancient warriors, praetorian guards, elite archer, roman legion and imperial army vs. barbarian hordes.
?TIME KILLER! Rule your Empire all day!
Instructions:
???HIGHLIGHTS???
?WAR GAME! Enjoy this Tower Defense RPG, FREE Strategy title.
?GROW FAST! Conquest game with many upgrades to develop in your castle.
?DEFENSIVE CASTLE! Improve your defense and protect your castle from the HORDES!
?EPIC BATTLES! Fight against your enemies and defeat the Boss!
?DAILY REWARDS! Claim your missions! Farm gems across the conquest!!
?COLLECT CARDS! Merge units to defend and find the best strategy to cast your cards!
Join Empire Rush: Rome Wars...Epic Castle Defense!
Enjoy one of the best conquest games! Fight the fiercest battles with strategy. Take part in a rush wars to rise the great empire of the age. ROME!
BUILD YOUR EMPIRE! If you love Tower Defense (TD), Conquest games and Collectible Cards, Empire Rush: Rome Wars merge these features and leads you on a journey filled with epic battles to conquer the world!
CRUSH THE HORDE! Rome is the most powerful empire of the age, and grows by the power of Caesar and his warriors, but now it is begin to be under siege by barbarian hordes to demise Caesar. DEFEND THE EMPIRE!
Join Empire Rush: Rome Wars! JOIN THE BATTLE! ??
?ROME WARS! Ancient warriors, praetorian guards, elite archer, roman legion and imperial army vs. barbarian hordes.
?TIME KILLER! Rule your Empire all day!
Instructions:
???HIGHLIGHTS???
?WAR GAME! Enjoy this Tower Defense RPG, FREE Strategy title.
?GROW FAST! Conquest game with many upgrades to develop in your castle.
?DEFENSIVE CASTLE! Improve your defense and protect your castle from the HORDES!
?EPIC BATTLES! Fight against your enemies and defeat the Boss!
?DAILY REWARDS! Claim your missions! Farm gems across the conquest!!
?COLLECT CARDS! Merge units to defend and find the best strategy to cast your cards!
Tower Defense Alien War
Tower Defense Alien War
Alien war is a thrilling game with the concept of defense. You have to protect your castle with your upgradable guns and guided missiles from the invasion of alien troops. In each stage, you are supposed to destroy the invaders and earn as much gold as you can.
Instructions:
Take aim with Mouse. Don't forget to collect coins by clicking after all.
Alien war is a thrilling game with the concept of defense. You have to protect your castle with your upgradable guns and guided missiles from the invasion of alien troops. In each stage, you are supposed to destroy the invaders and earn as much gold as you can.
Instructions:
Take aim with Mouse. Don't forget to collect coins by clicking after all.
Goods Sorting Shopping Master
Goods Sorting Shopping Master
In Goods Sorting Shopping Master, you organize messy goods by moving and matching them into neat groups. It’s a fun puzzle game that combines smart thinking with relaxing gameplay. In the game, you’ll face shelves filled with mixed goods such as drinks, snacks, and daily items. Match and sort three identical items to clear the space and proceed, based on the customer's needs. Manage space carefully to keep sorting.
Instructions:
Mouse click or tap to play
In Goods Sorting Shopping Master, you organize messy goods by moving and matching them into neat groups. It’s a fun puzzle game that combines smart thinking with relaxing gameplay. In the game, you’ll face shelves filled with mixed goods such as drinks, snacks, and daily items. Match and sort three identical items to clear the space and proceed, based on the customer's needs. Manage space carefully to keep sorting.
Instructions:
Mouse click or tap to play
Color Conquest: Territory War
Color Conquest: Territory War
Command one of 4 unique factions in this intense RTS war! Capture territories to expand your army and destroy enemy bases.
Factions:
Grey: High HP (Tank), slow production.
Green: Fast spawn (Swarm), low HP.
Blue & Yellow: Balanced fighters.
Capture neutral zones to increase your unit capacity. Can you dominate the map?
Instructions:
Objective: Capture all territories and destroy enemy bases.
Controls:
WASD / Arrows: Move Camera
Left Click (+Drag): Select Unit(s)
Right Click: Move / Attack
How to Play:
Select units and capture neutral zones to grow your army.
More zones = faster spawns.
Group your units and attack the enemy spawn point to win!
Command one of 4 unique factions in this intense RTS war! Capture territories to expand your army and destroy enemy bases.
Factions:
Grey: High HP (Tank), slow production.
Green: Fast spawn (Swarm), low HP.
Blue & Yellow: Balanced fighters.
Capture neutral zones to increase your unit capacity. Can you dominate the map?
Instructions:
Objective: Capture all territories and destroy enemy bases.
Controls:
WASD / Arrows: Move Camera
Left Click (+Drag): Select Unit(s)
Right Click: Move / Attack
How to Play:
Select units and capture neutral zones to grow your army.
More zones = faster spawns.
Group your units and attack the enemy spawn point to win!
Space Craft: Ship War
Space Craft: Ship War
Explore deep space, piloting a cubic ship that can be infinitely expanded with modules. Collect new decks, melee and ranged weapons, boosters, and rare upgrades on the map, transforming your ship into a true battle station. Enemies also grow, making every encounter a dynamic battle for survival.
Complete levels, upgrade your stats, unlock new skins, and experiment with builds. Vibrant 3D graphics, rich effects, and constant progression make space battles exciting and unpredictable.
Instructions:
Game Objective:
Destroy enemy ships by collecting modules, upgrading your ship, and surviving longer than anyone else.
Controls:
PC: Use WASD keys to move your ship.
Mobile devices: Use swipes to control movement.
Explore deep space, piloting a cubic ship that can be infinitely expanded with modules. Collect new decks, melee and ranged weapons, boosters, and rare upgrades on the map, transforming your ship into a true battle station. Enemies also grow, making every encounter a dynamic battle for survival.
Complete levels, upgrade your stats, unlock new skins, and experiment with builds. Vibrant 3D graphics, rich effects, and constant progression make space battles exciting and unpredictable.
Instructions:
Game Objective:
Destroy enemy ships by collecting modules, upgrading your ship, and surviving longer than anyone else.
Controls:
PC: Use WASD keys to move your ship.
Mobile devices: Use swipes to control movement.
Colorwars.Io
Colorwars.Io
ColorWars.io is a competitive multiplayer strategy game where players battle for territorial dominance. Expand your color by painting the arena, manage a real-time gold economy to deploy defensive structures, and eliminate rivals by targeting their trails. Balance aggressive expansion with tactical defense to climb the global leaderboard.
Instructions:
Movement: WASD or Arrow Keys.
Aim & Shoot: Mouse to aim, Left Click to fire.
Capture: Exit your territory to draw a trail, return to secure it.
Defense: Protect your trail from enemy fire. Use Gold to deploy Turrets and Mortars.
Upgrades: Collect Gold to enhance your tank's stats and weaponry.
ColorWars.io is a competitive multiplayer strategy game where players battle for territorial dominance. Expand your color by painting the arena, manage a real-time gold economy to deploy defensive structures, and eliminate rivals by targeting their trails. Balance aggressive expansion with tactical defense to climb the global leaderboard.
Instructions:
Movement: WASD or Arrow Keys.
Aim & Shoot: Mouse to aim, Left Click to fire.
Capture: Exit your territory to draw a trail, return to secure it.
Defense: Protect your trail from enemy fire. Use Gold to deploy Turrets and Mortars.
Upgrades: Collect Gold to enhance your tank's stats and weaponry.
Gang War: Strike Shooter
Gang War: Strike Shooter
Welcome to a fast-paced multiplayer shooter! Break out of prison and dive straight into a brutal gang war. Join the Reds or the Blues, capture banks, warehouses, factories, and other city locations. Each captured zone earns you income — spend it on new weapons and character customization!
Play with friends, compete for dominance, and survive the dangerous streets. Only strength, strategy, and loyal teammates matter here. An open world full of conflict, shootouts, and endless possibilities.
Instructions:
WASD – Move
E – Interact
Choose your role right from the start: become a fighter for the Red gang, the Blue gang, or take the path of a peaceful civilian. Capture banks, factories, and warehouses to earn profits and strengthen your team. Make money, unlock powerful weapons and awesome cars. Create your own strategy and become the leader of the streets!
Welcome to a fast-paced multiplayer shooter! Break out of prison and dive straight into a brutal gang war. Join the Reds or the Blues, capture banks, warehouses, factories, and other city locations. Each captured zone earns you income — spend it on new weapons and character customization!
Play with friends, compete for dominance, and survive the dangerous streets. Only strength, strategy, and loyal teammates matter here. An open world full of conflict, shootouts, and endless possibilities.
Instructions:
WASD – Move
E – Interact
Choose your role right from the start: become a fighter for the Red gang, the Blue gang, or take the path of a peaceful civilian. Capture banks, factories, and warehouses to earn profits and strengthen your team. Make money, unlock powerful weapons and awesome cars. Create your own strategy and become the leader of the streets!
Ultimate Tower Defense
Ultimate Tower Defense
Ultimate Tower Defense is an exciting strategy game that perfectly blends tower defense, battle, and fast-paced action into one addictive experience. In the game, you must carefully protect defense towers and deploy powerful heroes to stop endless waves of enemies. Each tower has unique attack abilities. Select your preferred mode to begin the challenge.
Instructions:
Mouse click or tap to play
Ultimate Tower Defense is an exciting strategy game that perfectly blends tower defense, battle, and fast-paced action into one addictive experience. In the game, you must carefully protect defense towers and deploy powerful heroes to stop endless waves of enemies. Each tower has unique attack abilities. Select your preferred mode to begin the challenge.
Instructions:
Mouse click or tap to play
The Roman Empire Colosseum
The Roman Empire Colosseum
The war in the colosseum has never been as epic as in this game! Arrange your units and send them into battle! This online game is a battle simulator similar to Totally Accurate Battle Simulator. Your units include warriors, riders, titans, dwarves, mages, and more.
Instructions:
Your task is to place the units in the menu and start the battle, then watch the battle in the colosseum. The leaderboard shows the number of levels completed.
PC controls:
W,A,S,D - camera movement.
mouse - view.
Phone controls:
joystick - camera movement.
right side of the screen - rotate the camera.
The war in the colosseum has never been as epic as in this game! Arrange your units and send them into battle! This online game is a battle simulator similar to Totally Accurate Battle Simulator. Your units include warriors, riders, titans, dwarves, mages, and more.
Instructions:
Your task is to place the units in the menu and start the battle, then watch the battle in the colosseum. The leaderboard shows the number of levels completed.
PC controls:
W,A,S,D - camera movement.
mouse - view.
Phone controls:
joystick - camera movement.
right side of the screen - rotate the camera.
Collosotraun
Collosotraun
Take charge of a giant robotic snake and smash through cities with ease as you fight to create the most fearsome weapon of all time.
Unleash the power of Colossatron! A unique combination of Match 3 and Snake gameplay allows you to build a devastating machine by merging colored power ups to create new and more powerful weapons. With thousands of potential combinations, the key to victory lies in mastering the art of building Colossatron to take down formidable bosses.
Instructions:
Drag modules of different colors/shapes to attach to the core; chain combos for stronger firepower.
Take charge of a giant robotic snake and smash through cities with ease as you fight to create the most fearsome weapon of all time.
Unleash the power of Colossatron! A unique combination of Match 3 and Snake gameplay allows you to build a devastating machine by merging colored power ups to create new and more powerful weapons. With thousands of potential combinations, the key to victory lies in mastering the art of building Colossatron to take down formidable bosses.
Instructions:
Drag modules of different colors/shapes to attach to the core; chain combos for stronger firepower.
Noob Village Tower Defense
Noob Village Tower Defense
Dive into the dynamic world of a 2D platformer, where you play as a noob fighting for the survival of your village! Your main goal is to protect the village from endless waves of monsters appearing from an ominous portal. Control the tower manually: select shells, adjust the trajectory and shoot enemies one by one. Only your accuracy and tactics will help you survive the onslaught!
Instructions:
The goal of the game is to protect the noob village from waves of monsters using manual tower control, improve its defense, develop the settlement, extract resources and build an effective survival strategy.
Dive into the dynamic world of a 2D platformer, where you play as a noob fighting for the survival of your village! Your main goal is to protect the village from endless waves of monsters appearing from an ominous portal. Control the tower manually: select shells, adjust the trajectory and shoot enemies one by one. Only your accuracy and tactics will help you survive the onslaught!
Instructions:
The goal of the game is to protect the noob village from waves of monsters using manual tower control, improve its defense, develop the settlement, extract resources and build an effective survival strategy.
Wacky Strike
Wacky Strike
This time you will choose who are you actually. Well, no. Who is the strongest! Girls, or boys! So, just build a lot of towers, and buy your cool enemy! Fight like the real hero and you will cope with it, just try it!
Are you a good fighter? Then this game is for you! Just pick a side, setup your troops, and fight against your mortal enemy, do you think that it is so easy?! Then march from your castle to the enemy castle claiming ground in between.
Instructions:
Mouse
or Keyboard
1, 2, 3, 4 - building units
5, 6, 7 - building base
8, 9, 0 - powerups
Arrow Left/Right - map scrolling
This time you will choose who are you actually. Well, no. Who is the strongest! Girls, or boys! So, just build a lot of towers, and buy your cool enemy! Fight like the real hero and you will cope with it, just try it!
Are you a good fighter? Then this game is for you! Just pick a side, setup your troops, and fight against your mortal enemy, do you think that it is so easy?! Then march from your castle to the enemy castle claiming ground in between.
Instructions:
Mouse
or Keyboard
1, 2, 3, 4 - building units
5, 6, 7 - building base
8, 9, 0 - powerups
Arrow Left/Right - map scrolling
Block Sniper
Block Sniper
Pixelated sniper action game where you have to complete various missions in a blocky world.
Game where you are a sniper who performs various missions in a block-based world.
Instructions:
Your task is to complete the mission that is given to you at the beginning of the level!
PC controls:
W, A, S, D - movement;
mouse - shooting;
1,2,3,4 - change weapons.
5 - disguise in a box.
F - take, interact.
Space - jump.
Smartphone controls: use the stick to control the character, the camera control is on the right side of the screen, there are also buttons for aiming and changing weapons.
Pixelated sniper action game where you have to complete various missions in a blocky world.
Game where you are a sniper who performs various missions in a block-based world.
Instructions:
Your task is to complete the mission that is given to you at the beginning of the level!
PC controls:
W, A, S, D - movement;
mouse - shooting;
1,2,3,4 - change weapons.
5 - disguise in a box.
F - take, interact.
Space - jump.
Smartphone controls: use the stick to control the character, the camera control is on the right side of the screen, there are also buttons for aiming and changing weapons.
Stack Tower Pro
Stack Tower Pro
Test your precision in this addictive 3D block stacking game! Build the tallest skyscraper, unlock stunning themes, and master the art of balance. Can you reach the stars?
Instructions:
Tap / Click: Drop the block at the perfect moment.
Test your precision in this addictive 3D block stacking game! Build the tallest skyscraper, unlock stunning themes, and master the art of balance. Can you reach the stars?
Instructions:
Tap / Click: Drop the block at the perfect moment.
Small Wardrobe
Small Wardrobe
Small Wardrobe is a casual game designed specifically for cotton dolls. Collect and create beautiful and cute dresses for your cotton dolls, and experience heartwarming and fun stories. The game offers a variety of adorable doll clothes, shoes, and accessories. Let's happily organize and tidy up the doll's wardrobe together!
Instructions:
Collect tools and materials for making clothes; these materials can be used to make more clothes.
Small Wardrobe is a casual game designed specifically for cotton dolls. Collect and create beautiful and cute dresses for your cotton dolls, and experience heartwarming and fun stories. The game offers a variety of adorable doll clothes, shoes, and accessories. Let's happily organize and tidy up the doll's wardrobe together!
Instructions:
Collect tools and materials for making clothes; these materials can be used to make more clothes.
Italian Brainrot Drag Merge Puzzle
Italian Brainrot Drag Merge Puzzle
A Revolutionary Jigsaw Experience. Each level, one image is randomly selected and split into 3×3, 4×4, 5×5, or 6×6 pieces, then completely shuffled. Your goal is simple: restore the picture by placing every piece in its correct position. But this is no ordinary jigsaw. When two neighboring pieces are placed correctly next to each other, they merge into a single movable cluster. Instead of slow, one-by-one placement, you can drag any piece or merged group onto another to instantly swap positions.
Instructions:
Drag pieces to swap positions, pieces that belong next to each other will merge into a cluster, clusters move together, allowing you to position multiple pieces at once! You can upload your images to play.
A Revolutionary Jigsaw Experience. Each level, one image is randomly selected and split into 3×3, 4×4, 5×5, or 6×6 pieces, then completely shuffled. Your goal is simple: restore the picture by placing every piece in its correct position. But this is no ordinary jigsaw. When two neighboring pieces are placed correctly next to each other, they merge into a single movable cluster. Instead of slow, one-by-one placement, you can drag any piece or merged group onto another to instantly swap positions.
Instructions:
Drag pieces to swap positions, pieces that belong next to each other will merge into a cluster, clusters move together, allowing you to position multiple pieces at once! You can upload your images to play.
Summon Tribe
Summon Tribe
Summon Tribe is a simple merge-and-defense game where you combine identical units to create stronger ones to stop enemies. It’s easy, mostly for passing time, and it also supports idle play.
Instructions:
Merge facilities, traps, and turrets to build the strongest defense. Plan carefully in limited space and defeat your enemies! Choose your skills to boost your defense and find the best combo to survive.
Summon Tribe is a simple merge-and-defense game where you combine identical units to create stronger ones to stop enemies. It’s easy, mostly for passing time, and it also supports idle play.
Instructions:
Merge facilities, traps, and turrets to build the strongest defense. Plan carefully in limited space and defeat your enemies! Choose your skills to boost your defense and find the best combo to survive.
Italian Animal Alchemy - Brainrot
Italian Animal Alchemy - Brainrot
Dive into a world of crazy Italian creatures, where logic meets memes! Combine animals and objects to create the strangest and funniest Italian mutants!
A true meme zoo awaits you here, where creativity knows no bounds! Experiment, discover rare mutants, and share your results with friends to prove you have the most epic brainrot.
Instructions:
Your goal is to collect the entire Brainrot collection and become a master of Italian madness. Each new fusion is a surprise, a burst of laughter, and a dose of absurdity that will make you unable to tear yourself away.
Dive into a world of crazy Italian creatures, where logic meets memes! Combine animals and objects to create the strangest and funniest Italian mutants!
A true meme zoo awaits you here, where creativity knows no bounds! Experiment, discover rare mutants, and share your results with friends to prove you have the most epic brainrot.
Instructions:
Your goal is to collect the entire Brainrot collection and become a master of Italian madness. Each new fusion is a surprise, a burst of laughter, and a dose of absurdity that will make you unable to tear yourself away.
Italian Animals: Create Your Own Brainrot
Italian Animals: Create Your Own Brainrot
Create your own crazy Brainrot! Mix bodies, heads, and legs to create absurd Italian creatures, listen to their "passports" and keep your masterpieces as keepsakes. Creative chaos is in your hands!
Instructions:
1. Select the body. Confirm your choice by clicking Done.
2. Select the head and confirm.
3. Select the legs and click Done.
4. Get your own Brainrot's passport.
5. Listen to the name of the resulting Brainrot in Italian.
6. Save the image by clicking the camera button.
7. Click the Rebuild button and build the next Brainrot.
8. Choose from different sets of themed brainrots - Christmas, Halloween, or regular ones.
Create your own crazy Brainrot! Mix bodies, heads, and legs to create absurd Italian creatures, listen to their "passports" and keep your masterpieces as keepsakes. Creative chaos is in your hands!
Instructions:
1. Select the body. Confirm your choice by clicking Done.
2. Select the head and confirm.
3. Select the legs and click Done.
4. Get your own Brainrot's passport.
5. Listen to the name of the resulting Brainrot in Italian.
6. Save the image by clicking the camera button.
7. Click the Rebuild button and build the next Brainrot.
8. Choose from different sets of themed brainrots - Christmas, Halloween, or regular ones.
Tank Stars
Tank Stars
Are you ready for an action-packed 2D tank warfare? Welcome to the Tank Stars, one of the best battle tank games that you can play with friends online & offline. Find the right shooting angle and unleash your iron force against your foe's war machines! Make the right shot quickly or you'll lose!
Instructions:
Left and right arrow or left joystick to move. Right joystick to aim. Click or Space to shoot.
Are you ready for an action-packed 2D tank warfare? Welcome to the Tank Stars, one of the best battle tank games that you can play with friends online & offline. Find the right shooting angle and unleash your iron force against your foe's war machines! Make the right shot quickly or you'll lose!
Instructions:
Left and right arrow or left joystick to move. Right joystick to aim. Click or Space to shoot.
Comments to the Game:
Ali | 7/8/2013 11:29:56 AM
I would recommend to anyone to play this super free flash game online. OB Game's other flash games are also superb. I love this site and I would recommend it to anyone.