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Platform Games → Side Defense Game
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Description of Side Defense Game
Side Defense game is in the category of Platform Games and you can play this free game at OB Games. Get ready for a brand new defense game! Make your best score and show your skill in an endless game. If balls touch the lower course, you lose the game.
Instructions:
It is played with the mouse.
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:
Side Defense
Side Defense
Get ready for a brand new defense game! Make your best score and show your skill in an endless game. If balls touch the lower course, you lose the game.
Instructions:
It is played with the mouse.
Get ready for a brand new defense game! Make your best score and show your skill in an endless game. If balls touch the lower course, you lose the game.
Instructions:
It is played with the mouse.
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
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.
Xeno Defense Protocol
Xeno Defense Protocol
Xeno Online combines high-octane top-down shooting with strategic tower defense and deep RPG progression. Your mission is simple: Establish a base, defend it against endless waves of insectoid horrors, and extract with your life.
Instructions:
WASD, Mouse, R, G, Mouse Wheel, Space
Xeno Online combines high-octane top-down shooting with strategic tower defense and deep RPG progression. Your mission is simple: Establish a base, defend it against endless waves of insectoid horrors, and extract with your life.
Instructions:
WASD, Mouse, R, G, Mouse Wheel, Space
Frost Defense
Frost Defense
❄️ Embark on a thrilling journey through a frozen wilderness in Frost Defense, a strategic tower defense game that puts your tactical skills to the test! ??
In this action-packed adventure, you'll take on the role of a lone survivor ?♂️ battling against the relentless onslaught of arctic creatures ??❄️?.
The enemy is merciless — only your ingenuity and strategic prowess can keep you alive in this harsh frozen world. ⚔️?️
Instructions:
Use mouse to draw path and click on machine to upgrade
❄️ Embark on a thrilling journey through a frozen wilderness in Frost Defense, a strategic tower defense game that puts your tactical skills to the test! ??
In this action-packed adventure, you'll take on the role of a lone survivor ?♂️ battling against the relentless onslaught of arctic creatures ??❄️?.
The enemy is merciless — only your ingenuity and strategic prowess can keep you alive in this harsh frozen world. ⚔️?️
Instructions:
Use mouse to draw path and click on machine to upgrade
Grass Defense
Grass Defense
Grass Defense is a strategic tower defense where you must protect the wilderness from waves of fierce creatures. Build and upgrade powerful towers, manage resources, and adapt your tactics as enemies grow stronger. With dynamic environments, diverse foes, and challenging levels, you’ll test your strategy and skill to survive the untamed wilds and uncover hidden mysteries.
Instructions:
Use the left mouse button to interact
Grass Defense is a strategic tower defense where you must protect the wilderness from waves of fierce creatures. Build and upgrade powerful towers, manage resources, and adapt your tactics as enemies grow stronger. With dynamic environments, diverse foes, and challenging levels, you’ll test your strategy and skill to survive the untamed wilds and uncover hidden mysteries.
Instructions:
Use the left mouse button to interact
Fireside Solitaire
Fireside Solitaire
Fireside Solitaire is a cozy card puzzle that combines logic and relaxation by the warmth of a crackling fire.
Place cards in sequence — one rank higher or lower than the current open card — to clear all columns.
Think ahead: once the draw pile runs out, it can’t be reshuffled, and the game ends.
Enjoy calm music, soft light, and the comforting atmosphere of a winter evening by the fireplace.
Instructions:
Place cards from the tableau or draw pile onto the open card if they are one higher or one lower in value. Example: you can place a 5 or 7 on a 6.
Reveal and use cards from the tableau to free hidden ones underneath. If no moves are available, draw a new card from the pile.
The game ends when the pile is empty and no moves remain. Your goal is to clear all columns before the deck runs out.
Fireside Solitaire is a cozy card puzzle that combines logic and relaxation by the warmth of a crackling fire.
Place cards in sequence — one rank higher or lower than the current open card — to clear all columns.
Think ahead: once the draw pile runs out, it can’t be reshuffled, and the game ends.
Enjoy calm music, soft light, and the comforting atmosphere of a winter evening by the fireplace.
Instructions:
Place cards from the tableau or draw pile onto the open card if they are one higher or one lower in value. Example: you can place a 5 or 7 on a 6.
Reveal and use cards from the tableau to free hidden ones underneath. If no moves are available, draw a new card from the pile.
The game ends when the pile is empty and no moves remain. Your goal is to clear all columns before the deck runs out.
Monkey Bubble Defense
Monkey Bubble Defense
Survive the bubble invasion in this fast-paced 2D top-down tower defense game. Construct and upgrade various defensive turrets to take down hordes of bubbles.
Earn cash by popping bubbles. Use cash to to purchase new towers, upgrade existing ones, or sell for cash and reinvest into a different turret.
Instructions:
Construct turrets to protect your base from rogue bubbles.
Survive the bubble invasion in this fast-paced 2D top-down tower defense game. Construct and upgrade various defensive turrets to take down hordes of bubbles.
Earn cash by popping bubbles. Use cash to to purchase new towers, upgrade existing ones, or sell for cash and reinvest into a different turret.
Instructions:
Construct turrets to protect your base from rogue bubbles.
Last Ufo Defense
Last Ufo Defense
Last UFO DefenseThe galaxy is no safe place.
As the last UFO of your kind, you stand alone against endless waves of hostile alien forces determined to wipe you out.
Pilot your hovering warship and unleash its full potential:One UFO, endless enemies.
Survive as long as you can with precise upgrades and tactical choices.
Face relentless alien swarms in an endless survival challenge.You are the final line of defense in a hostile galaxy.
How long can the last UFO endure?
Instructions:
use mouse or tap to interact with game elements.
Last UFO DefenseThe galaxy is no safe place.
As the last UFO of your kind, you stand alone against endless waves of hostile alien forces determined to wipe you out.
Pilot your hovering warship and unleash its full potential:One UFO, endless enemies.
Survive as long as you can with precise upgrades and tactical choices.
Face relentless alien swarms in an endless survival challenge.You are the final line of defense in a hostile galaxy.
How long can the last UFO endure?
Instructions:
use mouse or tap to interact with game elements.
Farm Defense
Farm Defense
Farm Defense is a fast, arcade-style shooter where you guard your ranch from waves of quirky mutants. Move between lanes, aim, and blast anything that crawls out of the burrows before it reaches your crops. Earn coins, unlock new weapons and gadgets, and power up your electric fence. Bright visuals, snappy controls, and escalating waves make every run tense and satisfying.
Instructions:
Swipe or use the arrow keys to switch lanes. Pick up coins and boosters, then invest them between waves to upgrade damage, fire rate, ammo, or special skills. Keep enemies from crossing the defense line—survive the wave to advance. Tougher creatures and mini-bosses appear later, so manage your upgrades wisely and protect the farm!
Farm Defense is a fast, arcade-style shooter where you guard your ranch from waves of quirky mutants. Move between lanes, aim, and blast anything that crawls out of the burrows before it reaches your crops. Earn coins, unlock new weapons and gadgets, and power up your electric fence. Bright visuals, snappy controls, and escalating waves make every run tense and satisfying.
Instructions:
Swipe or use the arrow keys to switch lanes. Pick up coins and boosters, then invest them between waves to upgrade damage, fire rate, ammo, or special skills. Keep enemies from crossing the defense line—survive the wave to advance. Tougher creatures and mini-bosses appear later, so manage your upgrades wisely and protect the farm!
Neighborhood Defense
Neighborhood Defense
Neighborhood Defense is a dynamic tower defense strategy game where your mission is to protect your neighborhood from waves of zombies. Diverse maps with multiple exits, different types of enemies, and limited tower spots make each match unique. Upgrade your towers, combine their abilities, and plan your tactics carefully to stop the horde and prevent them from breaking through.
Instructions:
At the start of each level, choose free spots to place towers: archers, bombers, snipers, or electric turrets. Each tower has three upgrade levels that increase damage and attack range. Watch out for zombie waves — warnings will show where they appear. Focus on blocking key paths and managing your resources wisely to hold back stronger enemies. If too many zombies break through the exit, the game is over.
Neighborhood Defense is a dynamic tower defense strategy game where your mission is to protect your neighborhood from waves of zombies. Diverse maps with multiple exits, different types of enemies, and limited tower spots make each match unique. Upgrade your towers, combine their abilities, and plan your tactics carefully to stop the horde and prevent them from breaking through.
Instructions:
At the start of each level, choose free spots to place towers: archers, bombers, snipers, or electric turrets. Each tower has three upgrade levels that increase damage and attack range. Watch out for zombie waves — warnings will show where they appear. Focus on blocking key paths and managing your resources wisely to hold back stronger enemies. If too many zombies break through the exit, the game is over.
Outside
Outside
OUTSIDE is a sleek and minimal puzzle game where every move matters. Guide a one-eyed character through a grid to collect the key and reach the exit — but there’s a twist: once you start moving, you won’t stop until you hit a wall.
Plan your route carefully, avoid dead ends, and use the environment to your advantage. With simple mechanics and clean visuals, OUTSIDE is easy to pick up but tough to master — a perfect test of logic and spatial thinking.
Instructions:
Desktop Controls:
Arrow Keys / WASD – Move
R – Restart level
Q – Back to menu
M – Mute
Mobile Controls:
Swipe – Move
On-screen buttons – Restart / Menu / Mute
OUTSIDE is a sleek and minimal puzzle game where every move matters. Guide a one-eyed character through a grid to collect the key and reach the exit — but there’s a twist: once you start moving, you won’t stop until you hit a wall.
Plan your route carefully, avoid dead ends, and use the environment to your advantage. With simple mechanics and clean visuals, OUTSIDE is easy to pick up but tough to master — a perfect test of logic and spatial thinking.
Instructions:
Desktop Controls:
Arrow Keys / WASD – Move
R – Restart level
Q – Back to menu
M – Mute
Mobile Controls:
Swipe – Move
On-screen buttons – Restart / Menu / Mute
Aod - Art Of Defense
Aod - Art Of Defense
Step into the world of AOD - Art Of Defense, a free online strategy game where your main goal is to stop enemy waves by placing towers in smart locations. Play on your phone or computer and test your skills in this action-packed defense challenge. Every move matters—can you build the perfect defense?
Instructions:
Use the left mouse button to place a tower.
Use the scroll wheel/pinch to zoom on a touchpad to zoom in or out.
Step into the world of AOD - Art Of Defense, a free online strategy game where your main goal is to stop enemy waves by placing towers in smart locations. Play on your phone or computer and test your skills in this action-packed defense challenge. Every move matters—can you build the perfect defense?
Instructions:
Use the left mouse button to place a tower.
Use the scroll wheel/pinch to zoom on a touchpad to zoom in or out.
Balloon Pop Frenzy
Balloon Pop Frenzy
Balloon Pop Frenzy is a fun and fast-paced tap game where you pop balloons for points!
Tap normal and gold balloons to score, but avoid the tricky skull balloons!
With vibrant visuals, increasing difficulty, and simple controls, it's perfect for quick, casual play on any device.
Instructions:
Click/Tap the balloons to pop them
Balloon Pop Frenzy is a fun and fast-paced tap game where you pop balloons for points!
Tap normal and gold balloons to score, but avoid the tricky skull balloons!
With vibrant visuals, increasing difficulty, and simple controls, it's perfect for quick, casual play on any device.
Instructions:
Click/Tap the balloons to pop them
Tower Guardian - Epic Defense
Tower Guardian - Epic Defense
- Strategically summon warriors and unleash devastating abilities to protect your tower from hordes of enemies!
- Fight off waves of monsters, unlock new levels, and upgrade your heroes as you rise to become the ultimate protector. Every wave gets tougher—only the strong and strategic will survive.
- Rotate around the tower, lock onto approaching foes, and eliminate them before they breach your defenses!
With each wave, enemies grow stronger and more numerous.
Instructions:
Mouse Left Click: Rotate the player to aim and destroy enemies.
- Strategically summon warriors and unleash devastating abilities to protect your tower from hordes of enemies!
- Fight off waves of monsters, unlock new levels, and upgrade your heroes as you rise to become the ultimate protector. Every wave gets tougher—only the strong and strategic will survive.
- Rotate around the tower, lock onto approaching foes, and eliminate them before they breach your defenses!
With each wave, enemies grow stronger and more numerous.
Instructions:
Mouse Left Click: Rotate the player to aim and destroy enemies.
Stickman Guys Defense
Stickman Guys Defense
Stickman Guys Defense is an action-packed tower defense game where you must protect your base from endless waves of enemies! Command a team of brave stickman warriors, place them strategically, and upgrade their abilities to stop the invasion. From archers to sword fighters, build the ultimate defense and survive each level!
Can you defend your land and become the ultimate Stickman commander?
Instructions:
Mouse Click
Stickman Guys Defense is an action-packed tower defense game where you must protect your base from endless waves of enemies! Command a team of brave stickman warriors, place them strategically, and upgrade their abilities to stop the invasion. From archers to sword fighters, build the ultimate defense and survive each level!
Can you defend your land and become the ultimate Stickman commander?
Instructions:
Mouse Click
World Z Defense - Zombie Defense
World Z Defense - Zombie Defense
Zombies have taken over the world! Unlock bases and deploy soldiers with unique weapons, each with stats like damage, fire rate, and reload speed. Soldiers must reload at the base before defending. Place them wisely to stop zombies within range. Defeat waves to earn coins, upgrade bases, and survive stronger hordes. Strategically choose soldiers to clear waves and save cities across the globe.
Instructions:
Use the left mouse button to select and drop Soldiers and interact with in-game UI.
Zombies have taken over the world! Unlock bases and deploy soldiers with unique weapons, each with stats like damage, fire rate, and reload speed. Soldiers must reload at the base before defending. Place them wisely to stop zombies within range. Defeat waves to earn coins, upgrade bases, and survive stronger hordes. Strategically choose soldiers to clear waves and save cities across the globe.
Instructions:
Use the left mouse button to select and drop Soldiers and interact with in-game UI.
Resident Evil: Purge Operation
Resident Evil: Purge Operation
At the start of each level, players must quickly locate powerful weapons like the shotgun and sniper rifle, crucial for fending off hordes of zombies. Once the eerie alarm sounds, grotesque, ferocious undead flood the area. A single mistake can lead to being swarmed, so precise marksmanship, agile movement, and calm judgment are essential for survival.
Instructions:
move：W A S D
jump: SPACE
fire: MOUSE 1
aim: MOUSE 2
roll: X
reload: R
interact: F
crouch: C
At the start of each level, players must quickly locate powerful weapons like the shotgun and sniper rifle, crucial for fending off hordes of zombies. Once the eerie alarm sounds, grotesque, ferocious undead flood the area. A single mistake can lead to being swarmed, so precise marksmanship, agile movement, and calm judgment are essential for survival.
Instructions:
move：W A S D
jump: SPACE
fire: MOUSE 1
aim: MOUSE 2
roll: X
reload: R
interact: F
crouch: C
Parking Frenzy
Parking Frenzy
Welcome to Parking Frenzy, the ultimate test of precision, planning, and timing! Forget everything you know about driving simulators—this game doesn’t need pedals, steering wheels, or complicated controls. Just swipe your finger, draw the perfect path, and let your car glide into the parking spot. With a stylish 3D look, dynamic environments, and intuitive gameplay, Parking Frenzy delivers a uniquely satisfying experience that’s easy to play and hard to master.
Instructions:
mouse only
Welcome to Parking Frenzy, the ultimate test of precision, planning, and timing! Forget everything you know about driving simulators—this game doesn’t need pedals, steering wheels, or complicated controls. Just swipe your finger, draw the perfect path, and let your car glide into the parking spot. With a stylish 3D look, dynamic environments, and intuitive gameplay, Parking Frenzy delivers a uniquely satisfying experience that’s easy to play and hard to master.
Instructions:
mouse only
Tower Defense
Tower Defense
In Tower Defense, you will direct a powerful army of defense towers to face enemy attacks. Arrange your defense towers carefully and develop the strategy to repel the enemy. Each tower has different attack powers and abilities. Unlock the right type and placement. Update your soldiers to help you battle. Use your crossbow to take them out.
Instructions:
Mouse click or tap to play
In Tower Defense, you will direct a powerful army of defense towers to face enemy attacks. Arrange your defense towers carefully and develop the strategy to repel the enemy. Each tower has different attack powers and abilities. Unlock the right type and placement. Update your soldiers to help you battle. Use your crossbow to take them out.
Instructions:
Mouse click or tap to play
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.