Welcome to the new Defense flash game section of Game O, here you can find the latest and most revolutionary Defense games available for you to play for absolutely free! Enjoy these awesome new Defense games!
Stickman Madness 3  New and utmost fierce waves of stickman are back, defend your base at all cost in this fun stickman madness 3 game ... |
Tower Defence Canyon  You have been pushed back all the way to the canyon and will have to build up a base and protect yourself at all cost against enemy waves, good luck and have fun with this tower defense canyon game ... |
Whiteboard Tower Defense  Awesome defense game in which you will have to defend the whiteboard by building defense towers fast enough to stop increasingly stronger enemy waves, have fun and good luck with Whiteboard Tower Defe ... |
Jelly Castle  Awesome defense game in which you have to build up your jelly defense systems to take out all enemy waves. Good luck and have fun with this thrilling jelly castle game ... |
Gemcraft  A cool original version of defense games, in which you have to use your gems to defend yourself against waves of increasignly dangerous enemies. Good luck and have fun with gemcraft game ... |
Ultimate Defense 2008  We have had many new defense games but this games name says it all, it is the ultimate defense of the year, so use your mouse to build up various structures to take out enemy waves, best of luck in th ... |
Stickman Madness 3 Stronghold  Absolutely 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 Zombies  After 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 Flag  A 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 Defense  You 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 Mysore  You 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 Defense  You 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 2  Doodle 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 Customization  Enough 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 ... |
Zombie Tower Defense 3  If anything tells you that the third zombie attempt at your towers will be a week one, boy are you in for a long fight, start strategically placing your towers from the first wave as this will only ge ... |
Castle Keeper  A defense game like you have never seen before, use the archers on top of the castle to fight off the defenders and try to build additional structures to defend from bigger waves of enemies in this aw ... |
Cursors Attack 3  Just as you thought that you have just done the impossible and there is no way the attack on the cursor could get more intense, they do, in this game you once again have to withstand all the attacks t ... |
Tank Defense  All 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 ... |
Goulds Tower Defense  Uh oh, not just your regular tower defense, here enemies have many various paths to attack you so you will have to strategize hardcore to figure out a way to stop them, best of luck and have fun with ... |
Star Rebellion  You have built up a super base overtime but now various star ships have teamed up to take on your base, so you will have to build super defense systems to stop them, have fun and enjoy this star rebel ... |
Project Midnight  At 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 ... |
Fanta Factory Defender  You 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 ... |
Bacteria Tower Defense  Various 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 ... |
Lockdown Tower Defense  One 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 ... |
Dungeon Defender  Your 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 ... |
Ramparts  New 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 ... |
Temple Guardian 2  You 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 ... |
Helix Defense  Helix 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 ... |
Goblin Defense 2 SE  Goblins 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 ... |
Active Defense Revolution  A 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 ... |
The Last Stand 2  After 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 ... |
Canyon Shooter  Enemies 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 ... |
Massive Space Tower Defense  The space is huge, DUH, so obviously there are lots of bad guys and it will take a massive tower defense to stop them, so keep building up and upgrading space towers to be able to hold off increasingl ... |
Galactic Conquest  Gather your inter galactic army and take them to take on various bases, upgrade and organize your army in between fights to stand a chance against even tougher opponents, have fun and good luck in thi ... |
Xeno Tactic 2  After successfully defending yourself in the first installment of Xeno Tactic enemies have re-cooped and came up with some stronger than ever waves, so you will have to carefully plan out your defense ... |
Onslaught 2  After surviving the first onslaught the second wave is now here with more fierce enemies than ever so you will have to build up serious turret defense systems to stop the waves of the enemies, so get ... |
Doodle Defender  The defense scene has been pushed all the way to doodle field, so draw up the defense structures and do not let the bad guys get by, best of luck in the doodle defender game ... |
Jungle Hunt Tower Defense  You have to defend your jungle base at all cost, so build and upgrade utmost powerful structures to protect yourself. Best of luck surviving in the Jungle Hunt Tower Defense game ... |
Marksmen Defense  Awesome 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 ... |
Grid Tower Defense  A fun defense game in which you will have to protect your grid in a very systematical way, have fun and best of luck in this grid tower defense game ... |
Village Defense  Waves of various enemies are attacking your village and it is up to you to build up adequate defense to stop them. Make sure to upgrade your weapons when you have a spare moment. best of luck in defen ... |
Mercenary of War  Grab a hold of your top weapons and troops and go to war, upgrading your attack tools every chance that you get. Have fun and best of luck in winning in the mercenary of war game ... |
New Tower Defense  Just like the old one but with many new and improved features that will keep you playing till you finally beat the game. Have fun and good luck with the new tower defense ... |
Mega Fortress  You have built a mega fortress but enemy technology had created a threat to it, so go out and destroy everything that comes at you. Have fun and best of luck in protection your people in this awesome ... |
Random Defence  One 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 ... |
Master of Security  Do you have what it takes to protect your computer from the most vicious viruses out there. Lets see, protect your programs from harmful viruses and collect points by doing so to advance to more chall ... |
Balloon Invasion  We have defended some many things in the recent path, so now enemies ran out of objects and troops to send at you and this time it is the balloons that are attacking with balloons. Pop them before the ... |
Canyon Defense  You base is currently at the canyon and the enemies have located you and now are sending waves of their troops to get you, build up your weapons and destroy them as they come towards you. Best of luck ... |
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