Everything on Steam, newest first: games, DLC, demos, playtests, software, tools, soundtracks and videos. New ones appear within seconds of Steam adding them.
On Steam, an app is one product: a game, a DLC, a demo, a soundtrack, a piece of software. Each has its own number (the App ID, the number in its store link), usually its own store page and community hub, and it is what shows up in your library.
You don't buy apps directly: you buy or activate a package, which unlocks one or more apps.
| App | Type | Released | Playing now | Owners (est.) |
|---|---|---|---|---|
 Gratuitous Space Battles: The NomadsApp 41805 | DLC | Nov 11, 2010 | — | 60–180† |
 Gratuitous Space Battles: The SwarmApp 41804 | DLC | May 19, 2010 | — | 80–240† |
 Gratuitous Space Battles: The OrderApp 41803 | DLC | Mar 16, 2010 | — | 80–240† |
 Gratuitous Space Battles: The TribeApp 41802 | DLC | Dec 16, 2009 | — | 80–240† |
 Serious Sam 3: Jewel of the NileApp 41074 | DLC | Oct 16, 2012 | — |
We read every app on Steam continuously, so this list fills in and stays current on its own. Owners are SteamSpy's estimate for games and software; † marks an estimate from the app's Steam review count (about 20 to 60 owners per review), used for DLC, soundtracks and the rest.
 DLC_PreviewApp 41073 | DLC | — | — | — |
 Serious Sam HD: The Second Encounter - Serious 8 DLCApp 41046 | DLC | — | — | — |
 Fusion DLCApp 41045 | DLC | — | — | — |
 Serious Sam HD: The Second Encounter - Legend of the BeastApp 41019 | DLC | May 15, 2012 | — | 3K–9K† |
 Retail Exclusive DLCApp 41018 | DLC | — | — | — |
 Steam Pre-order DLCApp 41017 | DLC | — | — | — |
 Borderlands: Mad Moxxi's Underdome RiotApp 40940 | DLC | Jan 7, 2010 | — | 12.1K–36.4K† |
 AI War: Ancient ShadowsApp 40408 | DLC | Oct 19, 2012 | — | 120–360† |
 AI War: Light of the SpireApp 40407 | DLC | Feb 14, 2011 | — | 180–540† |
 AI War: Children of NeinzulApp 40406 | DLC | Oct 27, 2010 | — | 160–480† |
 AI War: The Zenith RemnantApp 40403 | DLC | Jan 13, 2010 | — | 120–360† |
 Risen 2: Dark Waters - Air Temple DLCApp 40393 | DLC | May 25, 2012 | — | 1.3K–4K† |
 Risen 2: Dark Waters - Treasure Isle DLCApp 40392 | DLC | Apr 27, 2012 | — | 1.1K–3.4K† |
 Risen 2: Dark Waters - A Pirate's Clothes DLCApp 40391 | DLC | Apr 27, 2012 | — | 1.1K–3.2K† |
 SC2 Infinite War Mac DLCApp 40230 | DLC | — | — | — |
 Supreme Commander 2 - Infinite War Tournament MapsApp 40136 | DLC | — | — | — |
 Supreme Commander 2: Infinite War Battle PackApp 40135 | DLC | Sep 28, 2010 | — | 7.1K–21.2K† |
 Supreme Commander 2 - Seraphim VII Site MapApp 40134 | DLC | — | — | — |
 Supreme Commander 2 - Iskellian Coast MapApp 40133 | DLC | — | — | — |
 Supreme Commander 2 - Weddell Isle MapApp 40132 | DLC | — | — | — |
 Supreme Commander 2 - QAI Prototype Facility MapApp 40131 | DLC | — | — | — |
 Supreme Commander 2 - Emerald Crater MapApp 40130 | DLC | — | — | — |
 Supreme Commander 2 - Infinite War Battle Pack 1 MacApp 40125 | DLC | — | — | — |
 Fallen Earth F2P Trash the Hermit Crab CodeApp 40006 | DLC | — | — | — |
 Fallen Earth - CleanerGun Ammo PromoApp 40005 | DLC | — | — | — |
 Fallen Earth - CleanerGun PromoApp 40004 | DLC | — | — | — |
 Fallen Earth - Faction T-ShirtApp 40003 | DLC | — | — | — |
 Fallen Earth - Special Item CodeApp 40002 | DLC | — | — | — |
 Dungeon Siege III: Treasures of the SunApp 39270 | DLC | Oct 25, 2011 | — | 1.6K–4.7K† |
 FINAL FANTASY XI: Ultimate Collection Abyssea Edition - Destrier Beret KeyApp 39261 | DLC | — | — | — |
 FINAL FANTASY XI: UC Abyssea Edition - Destrier Beret KeyApp 39251 | DLC | — | — | — |
 Dungeon Siege III Medallion of St. Elys DLCApp 39185 | DLC | — | — | — |
 Dungeon Siege III Annulus of Force DLCApp 39184 | DLC | — | — | — |
 Dungeon Siege III Bite of Arakun DLCApp 39183 | DLC | — | — | — |
 Dungeon Siege III Sacred Heart of the Legion DLCApp 39182 | DLC | — | — | — |
 Dungeon Siege III Talisman of the Grand Mage DLCApp 39181 | DLC | — | — | — |
 Dungeon Siege III Burning Band of Scorch DLCApp 39180 | DLC | — | — | — |
 RIFT - C-Cap Tactical Shell CD KeyApp 39129 | DLC | — | — | — |
 RIFT - Ashes of History Edition CD KeyApp 39128 | DLC | — | — | — |
 RIFT: Ascended Gift PackApp 39127 | DLC | — | — | — |
 Seven Days of RIFT - KeyApp 39126 | DLC | — | — | — |
 RIFT - Collector's Edition CD Key (Prepurchase)App 39125 | DLC | — | — | — |
 RIFT - Standard Edition CD Key (Prepurchase)App 39124 | DLC | — | — | — |
 RIFT - Collector's Edition CD KeyApp 39123 | DLC | — | — | — |
 RIFT - Standard Edition CD KeyApp 39122 | DLC | — | — | — |
