Arcade
Arcade games often have short levels, simple and intuitive control schemes, and rapidly increasing difficulty. This is due to the environment of the Arcade, where the player is essentially renting the game for as long as their in-game avatar can stay alive (or until they run out of tokens). Read the full article at the Wikipedia.
CoreBreach
by CoreCode
1.1.5
(26 Jan 2012)
CoreBreach is a futuristic "anti-gravity" racing game.
Genre: Arcade 
Marble Arena
2.0 (13 Dec 2011)Marble Arena is a family friendly, physics based, free 3D marble game, featuring vibrant HD graphics, fun and addictive gameplay, and...
Genre: Arcade 
BIT.TRIP RUNNER
by Gaijin Games
1.0
(27 Sep 2012)
Bit.Trip Runner radiates charm and challenge with retro-styled, music-platformer gameplay.
Genre: Arcade, Platform 
Jamestown: Legend Of The Lost Colony
1.0.1.164 (29 Dec 2011)Jamestown: Legend Of The Lost Colony is a neo-classical top-down shooter for up to 4 players, set on 17th-century British Colonial Mars.
Genre: Arcade, Shoot 'Em Up 
NightSky
1.0 HD (13 Dec 2011)NightSky is an action-puzzle game that offers an ambient gameplay experience unlike any other — cerebral challenges fill uniquely...
Genre: Arcade, Puzzle 
Zen Puzzle Garden
1.29 (11 Nov 2011)If you thought that you could never reach enlightenment by playing a computer game.
Genre: Arcade, Puzzle 
Chocolate Castle
1.09 (11 Nov 2011)Chocolate Castle is a tricky sliding block puzzle game.
Genre: Arcade, Puzzle 
Project Black Sun
1.0.2 (20 Dec 2011)The Project Black Sun is inspired by classic games like Super Metroid and Castlevania.
Genre: Arcade, Platform, Adventure 
Friking Shark
by Kyana Prime
Beta 1.01
(4 Sep 2011)
Friking Shark is a 3D remake of the classic arcade Flying Shark.
Genre: Arcade, Shoot 'Em Up 
You Are Trash!
Adrenaline Edition (31 Oct 2011)You Are Trash! ia a casual game that takes an edutainmental approach to recycling and sustainability via tangential learning.
Genre: Arcade, Platform 
NagiQ
by IKIGames
1.0
(2 Sep 2011)
NagiQ is a family-friendly, challenging word game, perfect for brain fitness!
In NagiQ, you think of English words and place them...
Genre: Arcade, Children / Educational, Puzzle 
Garden of coloured lights
1.0.8 (5 Mar 2010)Garden of coloured lights is an old school 2D vertical shoot-em-up with some innovative elements.
Genre: Arcade, Shoot 'Em Up