Happy Wheels

Happy Wheels
Happy Wheels is a ragdoll physics-based browser game created by Jim Bonacci in 2010. The game features several playable characters that use different vehicles, sometimes atypical cross many levels of the game. The only objective of this game is to reach the exit. Choose from a motorcycle, two-wheeler or wheelchair and try to find the exit. Happy Wheels features a level editor which allows players to create custom levels of their own. It contains a plethora of tools and objects for level building. Users can upload their maps to a public server.





Source of this games: http://www.happy-wheels-2.com 

Transformice

Transformice
Transformice is a multiplayer game where your character is a mouse that has to capture as much cheese to switch to the next levels. Players can control the mouse with the arrow keys, numeric keypad keys or WASD to run, jump and perform various techniques, such as jumping a wall and corner jump.

Bloons TD 5

Bloons Tower Defense 5 is a series of tower defense games under the Bloons series produced and created by Ninja Kiwi. Bloons Tower Defense 5 is a strategy game in which your mission is to shoot all the balls in order to escape from the maze. The game is based on different levels and at the end of each level you can get more help from the monkeys.