Favorite y8 Defense

Planet Defense
Game description:
In this game you need to protect helpless Earth from giant asteroids and devastating comets using automatic turrets. The gameplay of this game is simple. You’ve got to purchase turrets and drop them on the orbit, aiming at the advancing space bodies. If you destroy an asteroid or comet then you earn some money to buy more powerful defensive weapons. If Earth is destroyed then your game is over.
Game controls: This game is played with mouse only

Ultimate Space Defense (TD)
 Game description:
Space Invaders meet Tower Defense. A continuation of my Ultimate Space series. Expect to see the same great enemy fleet you have battled in the past, but now you get to build a lineup of gun turrets and upgrade them. Try to outlast your friends, and see who will be the ultimate defender!
Game controls: Use mouse to play the game.
Left and Right arrow keys to move your repair ship.

Cowar 
Game description:
The main mission of each stage is to beat the enemy. Click at least one of these boxes below, then press the GO button to start attack.
Game controls: This game is played with mouse only.

Balloon Defender 2
Game description:
Buy upgrades for your robot and pop all the 6 type of balloons before those reach the right side through the levels. Can you buy all upgrades?
Game controls: This game is played with mouse only.

Underworld: Defense
Game description:
Tower defense like game with unique gameplay (i hope).
Build towers, protect you base, everything is like on regular TD like games. But you should use your boat to build.
Game controls: Use arrow keys to move.
Space bar to build towers.

Alien Paratroopers
Game description:
This week's game is an old school arcade game (Wait! It's fun I swear!) styled after missile command. Alien Paratroopers is really one of the most fun and replayable "defense" games of its type and has some serious retro attitude going on. In this mode you proceed through waves of aliens utilizing a variety of weapons to save mankind from alien attack.
Game controls: Mouse key - To aim / shoot.
Numbers 1-5 - to change guns.
Space bar - To nuke.

Kid Krusader
Game description:
An addictive tower defense game set in the medieval and developed by OmniArts. The rebelious kid krusaders are coming to destroy your city! Armed with swords, armor, horses and strange griffins, these kids will stop at no cost to blaze through your defenses! Think it's going to be easy, they're just kids right? Think again! Show no mercy and spend your money well when you buy towers, or these kids will be sure to get through!
Game controls: This game is played with mouse only.

Ice War Game
Game description:
This is a game of strategy in which you will have to upgrade your skills to be able to conquer the enemy bases. You have up to 7 skills that you will be able to improve in the shop with the points that you can obtain by completing levels. By performing better in the levels, you will receive higher bonuses. Once you have successfully completed 20 levels and conquered both rival marvels you will be the owner of the whole pole.
Game controls: This game is played with mouse only.

Wizardraw
Game description:
As a wizard, defend yourself as you cast spells by drawing the same shapes that are above enemies.
Game controls: This game is played with mouse only.