Chat, play and do everything you want online.
The free online games on Steam right now is on this list:

- Alien Swarm
- America's Army 3
- Peggle Extreme
- Sam & Max 104: Abe Lincoln Must Die!
- Trackmania Nations Forever


You can get some free things of Half-Life 2:


Half-Life 2: Deathmatch - Half-Life 2: Lost Coast
(http://www.steampowered.com/ati_offer1a/)

NEEDS Nvidia: Half-Life 2: Deathmatch -
Half-Life 2: Lost Coast - Peggle Extreme -
Portal: First Slice
(http://www.steampowered.com/nvidia/)


Half-Life 2 free Mods (NEEDS Half-Life 2 game):

- Age of Chivalry
- Awakening
- Battle Grounds 2 (beta)
- Empires Mod
- Eternal Silence
- D.I.P.R.I.P. Warm Up
- Dystopia
- Half-Life 2: Capture the Flag
- Hidden: Source
- INSURGENCY: Modern Infantry Combat
- International Online Soccer
- MINERVA
- Pirates, Vikings, and Knights II
- Plan of Attack
- Revolt The Decimation
- Riot Act
- Rock 24
- Smashball
- Source Forts
- Synergy
- Zombie Master
- Zombie Panic
- Zombie Panic! Source