Defense Flash Games

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Defense Games

Welcome to the Defense Flash Game section of Game O, here you can find all the Defense flash games from the classic Defense games to the newest and most revolutionary Defense flash games. Thanks for visiting Game O and enjoy all these awesome Defense flash games!

New Defense Games

Check out the latest of Defense flash games!
Stickman Madness 3 StrongholdStickman Madness 3 Stronghold gameAbsolutely awesome stick man game, in which you have to hold your stronghold down against raging enemies, be sure to grab some new weapons and powerups as you go to make sure you can keep up with the ...
Unlimited ZombiesUnlimited Zombies gameAfter beating zombies up in previous game they have created an apparatus that will generate an unlimited number of zombies, so all you can hope to do is fight them off while you are trying to come up ...
Defend the FlagDefend the Flag gameA fun blend of action and defense game where you will have to defend the flag at all cost, so get to picking out weapons and get ready for intense battle in this new defend the flag game ...
Multiplayer Flash Tower DefenseMultiplayer Flash Tower Defense gameYou gotta love the developments in technology, now you can play this awesome tower defense game while chatting it up with tons of other players, sweet. So dont waste any more time and get to playing t ...
Tiger of MysoreTiger of Mysore gameYou are the tiger of Mysore and who else will protect Mysore if not you, take out waves of enemies as your protect your people. Have fun and good luck with this awesome tiger or Mysore game ...
Primal DefensePrimal Defense gameYou have been put into a tough position where you will have to use your primal instincts to defend your own, destroy waves of enemies in this primal defense game, good luck, remember to get stronger w ...
Doodle Defender 2Doodle Defender 2 gameDoodle world is under attack again and you have to build up defense system to stop all the massive attack on the doodle world, be sure to build and upgrade defenses in between enemy waves, best of luc ...
Ninja CustomizationNinja Customization gameEnough of having all ninjas look alike, how about some ninja customization, help ninjas pick out some cool intimidating outfits in this awesome ninja customization game ...
- More New Defense Games -

Top Game O Defense Games

Check out the top Game O Defense flash games:
Boons Tower Defense 2Boons Tower Defense 2 gameIf you thought the first bloons tower defense was easy, here is a little treat for you, all new bloons tower defense with more levels, weapons and more. Enjoy new bloons tower defense 2 ...
Fat Boy Girlfriend Tower DefenseFat Boy Girlfriend Tower Defense gameWe have seen many defense games, but this one is something else, the title alone make this game awesome. Build up some towers and defend the fat boys girlfriends, since if this one leaves him, chances ...
Lockdown Tower DefenseLockdown Tower Defense gameOne of your biggest tower defense challenges is here in this Lockdown tower defense game where you will have to research new towers, build them and upgrade to try to keep up with the ever growing enem ...
Random DefenceRandom Defence gameOne awesome tower defence game in which the enemies are tough, weapons are massive and adrenaline is unmatched by any other defense game, so be sure to try this awesome game out. Best of luck in this ...
Tur3t DuhfenzTur3t Duhfenz gameA game with a fabulous name and even a better game play, this is not your ordinary defense game, so make sure to check it out. Have fun ...
Shock DefenceShock Defence gameAwesome defense game with is a very miniature game of age of empires. In shock defense you have to shock all the enemies to death so that they do not make it all around the battle field. Build various ...
Global DefenseGlobal Defense gameGlobal Defense is no easy task and should not be taken lightly, this is why you, the expert have been assigned for the task. Make appropriate decisions to keep everything safe. Have fun with Global De ...
Defend Your InglorDefend Your Inglor gameFor a long time there has been a fierce debate as to the appearance of the legendary inglor. How, it has finally been revealed that the inglor is not a panda bear at all, it is, in fact, a highly adva ...
Invasion 3Invasion 3 gamestart a new game, then click on the names of a few units to purchase them for your army. When you think you are about ready, start the game! You will be on the hattlefield. Click on the names of the u ...
Budapest DefendersBudapest Defenders gameWell we have defended hundreds of things, castle and bases in defense games, even fat boys girlfriend has gotten some defense. Well this time Budapest is in danger to make sure to do your best to defe ...
Simple Tower DefenseSimple Tower Defense gameAt first sound it might seem awful easy in a SIMPLE tower defense , but just because the game is simple, does not make it easy, this will be one of the most challenging defense games you will encounte ...
The Last Stand 2The Last Stand 2 gameAfter great success in your Last Stand you have managed to escape, but after finding out about your new location all the past enemies and their brother are after you again, so you will now have to mak ...
Dungeon DefenderDungeon Defender gameYour army has been cornered into the dungeon and now there is no way out but take a stance and take out all the enemy waves, be sure to use the good stolen from defeated enemies to your advantage, bes ...
Active Defense RevolutionActive Defense Revolution gameA new fun defense game in which you will be dealing with many colorful enemies which you will have to stop by building up and upgrading various defense systems, have fun and good luck with active defe ...
Air Defence 3Air Defence 3 gameYou have to defend the tower, that is your main goal. Your guns are Flak cannons that are fully up to you to operate. You have to hit the opposing planes with the shots from those particular cannons. ...
Orbit DefenseOrbit Defense gameYou are working as a security guard in the orbit alien camps orbit defense headquarters, your goal is to at all cost prevent all the rebels from leaving the orbit. You have a great lased wall to help ...
Bloons Tower DefenseBloons Tower Defense gameGuess what, another defense game, this time you are simply popping some bloons from the towers, might sound easy, but it gets truely challenging once the balloons get bigger and thicker. Have fun with ...
Defender Hold the Holy PigDefender Hold the Holy Pig gameOne of the more original defender games where you have to hold the holy pig from getting to your yard. Good luck in Defender Hold the Holy Pig Game ...
Marksmen DefenseMarksmen Defense gameAwesome defense game where you have to build and advance towers fast enough to not let the enemies to get through to your base. Have fun in the marksmen defense game ...
Bacteria Tower DefenseBacteria Tower Defense gameVarious bacteria is attacking all possible body parts one by one, build up powerful towers of your immune system to be able to withstand the attacks, have fun and good luck staying healthy in this tri ...
RampartsRamparts gameNew and fun defense game in which you have to to battle with ramparts for survival, make sure to build and upgrade as much as the budget allows as it will only be getting more challenging. Have fun an ...
Helix DefenseHelix Defense gameHelix is under attack and you have been assigned to protect the helix at all cost, build up the defense towers as fast as possible since even the first waves of enemies will be very challenging, best ...
Project MidnightProject Midnight gameAt midnight all the monsters come out to attack you, so you need to be ready with the best available weapons to take on the waves of enemies, good luck and have fun with this awesome project midnight ...
Defend Your TempleDefend Your Temple gameyour temple is being attacked by anybody and everybody and it is up to you to defend it. Use the arrow keys or wasd controls to move, press shift or spacebar to switch weapons, use the mouse to aim an ...
Turret DefenseTurret Defense gameThis is another game where you defent your base, this time you have different circumstances though, so try Turret Defense and defend your territory. Use your cannon to shoot down enemy men and tanks. ...
Strategy DefenseStrategy Defense gameDefense is no good unless you do it with strategy. Devise a strategy and go ahead with defending your base. Good luck in this strategy defense game ...
Turret Defense RPGTurret Defense RPG gameTime for a little more defending, this time turret defense RPG style. So what are you waiting for, go on and defend your turrets now. Enjoy turret defense RPG game. ...
Simple Tower Defense 2Simple Tower Defense 2 gameSimple tower defense has just gotten so much more complex in this second version which will sure be a toughie to try to beat, so take all the experience from the first game and best of luck to you in ...
Temple Guardian 2Temple Guardian 2 gameYou have protected your temple with great success the first time, but it seems that enemies have only gotten stronger, so you will have to step up your defense skills as well in this challenging templ ...
Fanta Factory DefenderFanta Factory Defender gameYou love your fanta and there is no way you will let the factory get attacked, so build up powerful towers to protect the factory from the enemies, have fun with this cool fanta factory defender game ...
Defend Your CastleDefend Your Castle gameYour kingdom is under the onslaught of an invading enemy, and you must defend your castle. You will need both speed and agility to survive. To kill enemy units, pick them up with the mouse and fling t ...
Final DefenseFinal Defense gameClick to shoot, space to shield, 1 to mine, 2 to shockwave, 3 to bomb and a to pause. Drage themouse over a question mark. You are going to be attacked by various advanced tanks, and you have to fight ...
Demonic Defence 4Demonic Defence 4 gamethis is by far the best and most advanced demonic defence game yet. There are 4 different mode classic, drap and drop, hold and custom game. In each mode there is a particular way of killing enemies s ...
Castle SiegeCastle Siege gameUse the mouse to point, a to shoot fireballs and s to shoot arrows (whenever you build the approporiate towers). The objective of this game is to defeat the darm armies that seek to destroy your castl ...
Sea of Fire 2Sea of Fire 2 gameYou have to select an empty tile and contruct some buildings on them. THen use the structures to produce units with which to destroy the enemy base. Once the units are produced units will attempt to r ...
Crystal DefenseCrystal Defense gameThere is a guy in the middle of the field who just so happens to be you. Well so now that you are stuck in this Crystal Defense position you have to use your bow to kill all the enemies that charge at ...
Eye DefenseEye Defense gameThe eye is the center of the universe and it is up to you to defend it. Drag various items onto the screen to protect the eye and let it live happily. Have fun with defend the eye game. ...
Bridge GuardianBridge Guardian gameYou have been assigned a very important job as the bridge guardian, and not just any bridge you are the bridge guarding of one of the most used bridges in your country. Use the arrows to shoot down al ...
Abbyss DefenseAbbyss Defense gameYou are a side ship to the big mother ship and your only job is to protect the mother ship in the abbyss defense. Kill off all the enemies as soon as they appear on the screen to ensure that the main ...
Block DefenderBlock Defender gameThis is one of more original flash games around where you get to be the block defender, protect the blocks in the way that you only build proper combinations. Have fun with block defender ...
Turret DefenseTurret Defense gameAnd one more turret defense game get a hold of your turrets and defend them with all it takes. Best of luck in this turret defense game. ...
Superman Metropolis DefenderSuperman Metropolis Defender gameSuperman is back at it in metropolis defending people from bad creatures and bad things happening. Have fun with superman the metropolis defender. ...
Horizon WarHorizon War gameYou have been assigned the duty of operating the auto cannon on top of the hill overlooking the whole horizon of the war territory. Shoot down all the approaching opponents before they get to you. Bes ...
Canyon ShooterCanyon Shooter gameEnemies have located and are attacking your secret and last hide out the canyon, you will now have to take them all out to protect your people, best of luck in defending yours in this intense canyon s ...
Goblin Defense 2 SEGoblin Defense 2 SE gameGoblins are attacking in full force, the question is can you build up defense fast enough to stop them, best of luck in defeating goblins in this intense Goblin Defense 2 SE game ...
Base Defence 2 MonsterBase Defence 2 Monster gameIt is your task to defend your base against monster attackers, they will get more health after each attack, shoot them to get money, use money to buy and upgrade weapons. Controls: use the mouse to ai ...
Christmas Castle DefenseChristmas Castle Defense gameSanta is throwing a huge Christmas party and all sorts of people are trying to crash his party at the winter castle. It is your job to protect the castle from all the unwanted visitors. As you start t ...
Agent Wing DefenderAgent Wing Defender gameWe have all seen flash games where you are a space ship flying and shooting at enemies, well in agent wing defender you are exactly what the title says, wing defender, it is your goal to protect main ...
Defend Your MomDefend Your Mom gameMost families in the world have strong family values especially value mother and father, and now it seems that somebody is attacking your mom. Are they kidding or what. Defend your mom by beating the ...
Shield Defense 1.4Shield Defense 1.4 gameNew and improved shield defense game which makes it one of the best defense games out there. Enjoy the new shield defense game ...
DefenderDefender gameThere have been tons of base defense games out lately and this one offers one more alternative and takes the game to a new level. Make sure to check out the Defender, build up your army and defend you ...
360 Defence360 Defence gameGuess what, another defence game is coming your way, this one should really challenge your previously gained defence skills. Have fun with 360 defence game. ...
Color DefenseColor Defense gameSince we have so many defense games, why not have a color defense game. When the colors fly at you turn the matching color side towards that block to score some defense points. Have fun with the color ...
Aid ForceAid Force gameAnother fun defense type game where you have to get prevent the aid force from getting through to their teammates. Shoot down all the opponents, upgrade your weapons, and do it over and over again. Be ...
Tank DefenseTank Defense gameAll you have left to defend your base is your tank, so make sure to use it wisely in defeating waves of enemies in this awesome tank defense game ...
Cosmic DefenderCosmic Defender gameDestroy the invading aliens and save brethren from abduction. press a or spacebar to fire, press s to start a bomb, which will destroy everything that shows on your screen at the instance of explosion ...
World DefenseWorld Defense gameWell well well, looks like the future of the earth is in your hands, in this game it is up to you to preserve the humanity by having it not blow up in space. The objective of World Defense is to spin ...
Global Defense SystemGlobal Defense System gameIt is up to you to save the world from a wave of asteroids that are heading straight towards earth! Upgrade and buy weapons platforms between levels. Every weapon platform has the capacity to hold up ...
StormStorm gameEnemies are mass attacking your base and they are attacking you with their best machines. You have to shoot them down with at all cost or this will be the end for your country. Best of luck in stoppin ...
Tiger of MysoreTiger of Mysore gameYou are the tiger of Mysore and who else will protect Mysore if not you, take out waves of enemies as your protect your people. Have fun and good luck with this awesome tiger or Mysore game ...
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