# Left 4 Dead 2 Summer DB entity ID: d9db72c2\-3758\-4b1d\-b439\-c75b78473060 Steam App ID: 550 Set in the zombie apocalypse, Left 4 Dead 2 \(L4D2\) is the highly anticipated sequel to the award\-winning Left 4 Dead, the \#1 co\-op game of 2008\. This co\-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns\. You'll play as one of four new survivors armed with a wide and devastating array of classic and upgraded weapons\. In addition to firearms, you'll also get a chance to take out some aggression on infected with a variety of carnage\-creating melee weapons, from chainsaws to axes and even the deadly frying pan\. You'll be putting these weapons to the test against \(or playing as in Versus\) three horrific and formidable new Special Infected\. You'll also encounter five new “uncommon” common infected, including the terrifying Mudmen\. Helping to take L4D's frantic, action\-packed gameplay to the next level is AI Director 2\.0\. This improved Director has the ability to procedurally change the weather you'll fight through and the pathways you'll take, in addition to tailoring the enemy population, effects, and sounds to match your performance\. L4D2 promises a satisfying and uniquely challenging experience every time the game is played, custom\-fitted to your style of play\. Next generation co\-op action gaming from the makers of Half\-Life, Portal, Team Fortress and Counter\-Strike\. Over 20 new weapons & items headlined by over 10 melee weapons – axe, chainsaw, frying pan, baseball bat – allow you to get up close with the zombies New survivors\. New Story\. New dialogue\. Five expansive campaigns for co\-operative, Versus and Survival game modes\. An all new multiplayer mode\. Uncommon common infected\. Each of the five new campaigns contains at least one new “uncommon common” zombies which are exclusive to that campaign\. AI Director 2\.0: Advanced technology dubbed “The AI Director” drove L4D's unique gameplay – customizing enemy population, effects, and music, based upon the players’ performance\. L4D 2 features “The AI Director 2\.0” which expands the Director’s ability to customize level layout, world objects, weather, and lighting to reflect different times of day\. Stats, rankings, and awards system drives collaborative play ## Game information - Type: game - Developer: Valve - Publisher: Valve - Release date: Nov 16, 2009 - Coming soon: false - Free to play: false - Parent Steam app: Not collected - Genres: Action - Categories: Single\-player, Multi\-player, PvP, Online PvP, Co\-op, Online Co\-op, Steam Achievements, Full controller support, Steam Trading Cards, Captions available, Steam Workshop, Camera Comfort, Color Alternatives, Custom Volume Controls, Adjustable Difficulty, Playable without Timed Input, DualShock Controller Support, DualShock Controller Support, DualSense Controller Support, DualSense Controller Support, Steam Input API Support, Stereo Sound, Surround Sound, Steam Cloud, Valve Anti\-Cheat enabled, Stats, Includes Source SDK, Commentary available, Remote Play on Phone, Remote Play on Tablet, Remote Play on TV, Remote Play Together, Family Sharing, Steam Timeline - Platforms: windows, linux - Website: Not collected - Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_2eae29fbdfe8e5e8999b96d8bb28c5db70507968\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_29b3b4f2a3994c889f6fc12e0781d9d4726ef33f\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_9488e329bb42d792a059fb44cb7135d25b6262f5\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_6ec4ee04d4924b099e25ce79f3d6571c3b623b3b\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_73ad69168a263ce585e4823d9607d901719ca3c5\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_a9c1227ffe8a1968e234b3ebda08e773fc619e37\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_ba2ea2eda245f89626277457ae2ab76ba997f46a\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_7098be159cfe3cc524fb68b2585f643324cc1078\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_67275710127ce20b62015718dbf84147fde7fc17\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_d97ee8bd9a512f350bd9433730db26da76ff7a29\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_6d2a44e590caa0cc2946d8397d4dd160cbd3f6ed\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_b7e72ed4d0af894a61d8c6bb5def3d169f56c702\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_b8bcf2ebdb67a32b4a1e7273a4e9eae92243ed64\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_40c3f02a01ce435ea776b07fde7710c66532e6b6\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_13912b20f591bfde622fc87174b3265a579bd9c9\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_2b06e1786598ab033411c27600de1868f023c663\.1920x1080\.jpg?t=1772742214, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/550/ss\_1d9d6e638c8ad4b04fac0f49ca32947b31396f24\.1920x1080\.jpg?t=1772742214 - Price: 999 minor units USD; discount 0% - Price country: US ## Observed metrics - Current players: 18852 - Steam review count: 1060151 - Steam positive reviews: 1033875 - Steam negative reviews: 26276 - Steam positive percentage: 97.52148514692718% - Summer DB rating: No native votes Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\} ## Player history [Seven-day chart data as Markdown](/api/v1/entities/d9db72c2-3758-4b1d-b439-c75b78473060/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/d9db72c2-3758-4b1d-b439-c75b78473060/player-metrics?days=7) Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown. ## Sources and freshness - Catalog membership: store\_catalog - Catalog observed: 2026\-09\-24T19:57:04\.362365\+00:00 - Details observed: 2026\-09\-21T17:44:45\.426815\+00:00 - Player count observed: 2026\-09\-28T18:19:36\.55849\+00:00 - Reviews observed: 2026\-09\-28T18:02:32\.037391\+00:00 Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/550/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/550/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=550","reviews":"https://store\.steampowered\.com/appreviews/550"\},"price":"2026\-09\-21T17:44:45\.426815\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-21T17:44:45\.426815\+00:00","players":"2026\-09\-28T18:19:36\.55849\+00:00","reviews":"2026\-09\-28T18:02:32\.037391\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"3af0bfac\-13f8\-4599\-92d6\-dd3ddc1f0022","catalog":"fae17680\-0a38\-48f7\-a276\-9324681986bd","details":"f5ebf628\-ef2e\-4afa\-a037\-a76dd317b9be","players":"1a617458\-59d3\-4200\-bf8f\-335d2fd0fa32","reviews":"8053f719\-9464\-43dc\-ac95\-3c2f1f5af199"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\} Native rating methodology: \{"count":0,"average":null,"entityId":"d9db72c2\-3758\-4b1d\-b439\-c75b78473060","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\} Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted. [Steam store](https://store.steampowered.com/app/550/) · [JSON](/api/v1/games/d9db72c2-3758-4b1d-b439-c75b78473060)