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Online tower-defence Games
Persian Defence Game

Plays: 4202
Category: Strategy
play as you defend spartans from the oncoming attack from the persians
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Create your own tower defence Game

Plays: 29966
Category: Strategy Games
Have you ever played an element defense game but wanted to make your own one? with "create your own tower defense" you now can, you can design your own tower defense maps and upload to the tower defense portal, where people from all over the world can play and rate your game, create your own tower defense contains an enemy customizer, a tower editor, a wave editor, and much more to give you complete control of the game.
World War Tower Defense Game

Plays: 14505
Category: Strategy Games
Defeat 35 rounds of creeps from ancient times to modern day to get the high score in this addictive Tower Defense game!
Industrial Tower Defence Game

Plays: 11809
Category: Action Games
You, as a factory manager, have a rival, Evil Bob, whom is trying to take down all your factories. You can build a variety of towers, upgrade your technology, or build more factories. Can you prevent Evil Bob from destroying your career?
revenge of the stick Game

Plays: 9668
Category: Shooting Games
stop the stickmen from having their revenge on humanity
Flash Empires Game

Plays: 5666
Category: Action Games
You have the whole army under your control. Create the perfect army to defeat the oncoming invaders and reign supreme as the ultimate empire.
Fupa Kingdoms Defense Game

Plays: 4159247
Category: Strategy Games
Fupas very own stars in this game and what fun it is! Fupa Kingdoms Defense offers a broad range of tower defense maps for you to choose from and allows you to build your own tower defense maps. Each map is a Fupa Kingdom which you have to defend from the onrushing enemy hoards by building defense towers. There is a huge range of map building tiles, enemies, and towers you can customize to suit you. Flash tower gives you the privileged of building your own map.This game is very exciting and fun. What are you waiting for? Defend the Fupa Kingdoms for awesome!
Pixelshocks' Tower Defence Game

Plays: 48360
Category: Strategy Games
Defend against 50 waves of creeps by building towers to prevent their passage! You have 7 different towers to choose from and each have their strengths and weaknesses. Choose Wisely! You will start with 20 lives with top-ups at the item shop. Most of the creeps will bear special abilities so beware!!
Minifig Zombie TD Game

Plays: 46143
Category: Action Games
Defend your base from the attacking zombies hordes. Tower Defence with lego zombies!
Omega Tower Defence 2 Game

Plays: 37884
Category: Shooting Games
Build lasers, artillery, missiles, slow fields, shock generators and blade launchers to stop wave after wave of creeps, now with 4 maps, and 5 difficulty levels.
SNAFU TD Game

Plays: 35830
Category: Strategy Games
SNAFU TD is a military themed tower defense game. It features multiple missions with in game achievements.
Pixelshocks' Tower Defence II Game

Plays: 35097
Category: Strategy Games
Pixelshocks’ Tower Defence returns in its second installment with more creeps, more maps and new game modes! The core of the game remains the same - Prevent the passage of creeps by building towers to stop them! However, this time round, the creeps have gained new abilities and forms and the battleground has expanded. You have 6 towers and 9 item effects to choose from. There are 6 game modes and tons of map to pit your wits and skills with. So once again, choose wisely!! Regular updates and new stuffs will be added to the game so do check out the game often. For more news and information of the game, please do visit http://www.games.pixelshocks.com/tower2/. Please show your support to keep the game alive!!
Flash Element TD Game

Plays: 33855
Category: Strategy Games
A game based on the classic "Element TD" for the even more classic game "Warcraft III".
Onslaught 2.2 Game

Plays: 25380
Category: Strategy Games
A tower defence style game with many different types of turrets, combos, upgrades, enemies, maps and lots, lots more. Map editor, modding interface, challenges, the list goes on.
Life Force TD Game

Plays: 22736
Category: Action Games
Survive 40 waves of Aliens that can freeze your towers, heal and haste themselves and split into more enemies. Make sure to use the Life Force tower to drain enemy power and disable their abilities. This game has been created at the Packed games factory (packed.com) using the Tower Defense creator. If you are able to finish this game you will receive an invitation code to the Packed games factory and will be able to create your own TD games. Play more Tower Defense Games at Packed.com
Castle TD Game

Plays: 20906
Category: Strategy Games
Defend your castle from 30 waves of enemy attackers. Complete the game to gain access to the Packed factory where you can create your own TD games. Play more tower defence games at packed.com
Elite Forces:Defense Game

Plays: 20139
Category: Strategy Games
Delta station is under heavy attack, your job is to protect the station by yourself with only towers for help.
TreeTD Game

Plays: 17994
Category: Strategy Games
A unique tower defence game where you build towers on the bottom of tree branches to stop the falling boulders.
Penguin War Game

Plays: 16193
Category: Fighting Games
OK, here's the deal, this is a very fast paced tower defence - attack game. The penguins have been fighting for centuries trying to dominate Antarctica. Your mission is simple, choose your side, and then overcome the enemy by getting your units to overrun the enemy igloo base! Novice Play To begin, you should play novice mode - this will help you get a feel for different tower and unit types. All new units/towers are given to you free of charge! Advanced play Once you've mastered novice, play on advanced. In advanced mode, you pay for new unit and tower research by upgrading your base (select base and then click on the upgrade button in the bottom control panel of the game) Advanced mode is much more challenging than novice, and will test you to your tactical limits. Map Selection Games get increasingly more difficult from Map 1 to Map 3!
Magicka Game

Plays: 16083
Category: Action Games
Protect the kingdom of Magicka in this Tower Defence game.

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Tips: When using the Multiple Opponents option you must create an SWF where each frame is a different opponent. It will detect how many frames you have and randomly choose one each time they spawn. Each individual frame can have it's own independant animating movieclip inside.