如果明天真的不能玩了,可以参考一下这个

nijiama78

连接:http://forums.steampowered.com/forums/showthread.php?t=851573

以下内容(免费的steam游戏-好像是吧-free steam games list)
Free Steam games list

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All install links will only work if you already have Steam installed on your PC.
Your internet browser can ask for confirmation [Chrome][Firefox][IE] to run these links.

Wanna a really great game? Look here!

For ATI/AMD (Radeon) graphic card users: install - storefront
- Half-Life 2: Deathmatch [6]
- Half-Life 2: Lost Coast

For Nvidia (GeForce) graphic card users: install - storefront
- Half-Life 2: Deathmatch [6]
- Half-Life 2: Lost Coast
- Portal: First Slice (demo install - storefront)

For all Steam users:
America's Army 3: install - storefront
BattleForge [1][4][7][8]: install - storefront
Between [1][4]: install - storefront
Codename Gordon: install
COIL [1]: install - storefront
Mightier [1]: install - storefront
Peggle Extreme: install - storefront
Sam & Max: Episode 4: install - storefront
Spacewar: install
TrackMania Nations Forever [2]: install - storefront

Free addons and resources for already purchased games:
Counter-Strike (Counter-Strike Steamworks Beta access) [3]: install
Half-Life (high definition models): install - uninstall - comparison - screenshot
RACE 07 (Crowne Plaza Raceway track) [5]: install - storefront

Steam delivered MODs:
Age of Chivalry (requires Source SDK): install - storefront
D.I.P.R.I.P. Warm Up (requires Source SDK): install - storefront
Darkest Hour (requires Red Orchestra): install - storefront
Defence Alliance 2 (requires Killing Floor): install - storefront
Dystopia (requires Source SDK): install - storefront
Eternal Silence (requires Source SDK): install - storefront
INSURGENCY (requires Source SDK): install - storefront
Mare Nostrum (requires Red Orchestra): install - storefront
Smashball (requires Source SDK): install - storefront
Synergy (requires Half-Life 2): install - storefront
Zombie Panic! Source (requires Source SDK): install - storefront


Storefront links:
Demos - Mods - Videos and trailers

Useful topics:
DRM'ed Games - Game Save Locations - Unpatched Games
List of Steam bugs - Price reductions and sales!
Free games list and 3rd party mods

== notes ==
[1] mistakenly listed as a demo on storefront
[2] already included on TrackMania United
[3] deployed and deprected, but continues working
[4] mistakenly named as a demo on "My games" list
[5] will install addon on your title and a demo to run feature standalone
[6] does not include Source SDK tool (required to run some MODs)
[7] offered by Play4Free license / micropayment
[8] storefront not available in Japan and the United Kingdom