Freeware games

Free games for your PC, try all of them at least once! There's absolutely no reason not to.

'If you would like the games in order of genre, simply click the arrow next to Genre''. Same goes with everything else.'''

Download links for each can be found in the Description. The type column will be one of the following:
 * .exe : available as an executable for Windows (or windows emulator)
 * .dmg : available as a package for Mac OSX
 * .tgz : available as source or package for Linux
 * .swf : Shockwave flash; play in a webpage, or download it and play off your harddrive
 * .jar : You need a Java virtual machine, might run on your smartphone too
 * DOS: Runs on DOS and anything that has DOSBox (BeOS, Linux, Mac OS X, OS/2, and Windows)
 * iPhone : freebie from the Apple iPhone AppStore
 * steam : freebie from Valve via the Steam online store
 * online : can only be played with a net connection (probably because it's multiplayer only)

Links

 * Abandonia The absolute motherload of PC games with expired/unused copyrights, a.k.a. Abandonware (not all will contain the original music though)
 * How to download online flash games for playing offline
 * Something Awful thread full of flash games, most of which range from good to excellent.
 * Something Awful thread that picks up where previous left off
 * Smashing Magazine list of flash games
 * Indie Game Database.
 * 235 free indie games in 10 minutes A showcase video with a full list of links to each and game
 * http://experimentalgameplay.com/