play online now (flash)
download source code (flixel/flash builder)

play online now (flash)
download source code (flixel/flash builder)

Download for Windows
Download for Mac OSX
Download Source Code (Unity 3.5)
controls : wsad/arrow keys to move, mouse to look, space to jump, (i to toggle invert mouse, if you must)

Download for Windows
Download for Mac/OSX
Download source code (Unity 3.5)
controls : arrows to move, space to jump
(and, if you really must, I to toggle invert mouse)

download for windows
download for mac osx
(wsad + mouse, space to jump)
(flashing lights/seizure warning)
download source code (unity 3.5)

play online now (flash)
download source code (flash builder/flixel)

play online now (Unity)
download for windows
download for mac osx
download Unity 3.5 source code
edit : updated it to fix the pink/blank/stuck at title screen problem that people were having.

play online now (flash)
download source code (flash builder/flixel)
[ there's a game of the same name by a one Perrin Ashcroft here ]

play online now (flash)
Download source code (flixel/flash builder)