Co-op
9748 games sharing this Steam feature
Popularity of 'Co-op' over time
This chart shows the amount of games released over the years with the Co-op feature and the percentage of games released on Steam they account for. The number of releases gives an appreciation of the quantity of games published each year. It often tends to increase naturally, just like the total amount of Steam games released.
The percentage gives a better estimate of the feature's trend. It shows if the Co-op feature is getting more or less popular amongst developers. The Review chart can let us know if this trend is a positive thing (i.e. players interest for the feature is growing) or a negative one (the feature is overcrowded).
The Co-op game feature peaked in 2022 with 1181 games released. The popularity of the feature is in a range between 5.1% in 2011 and 2.2% in 2014.
Keep in mind that the current year is not over, so the number of games released will still increase. But the percentage is usually a good estimate.
Evolution of 'Co-op' game reviews
This graph displays the reviews for games associated with the Co-op feature, both as count and as a percentage of all Steam reviews, and the value for an average game. If the graph is hard to read, you can deactivate the review count and % of the average lines by clicking on the legend.
The review count gives a view of the sheer amount of reviews a feature receives, but it also follows the popularity of Steam itself. That is why the normalized value as a percentage of all Steam reviews is often more interesting, as it gives you the popularity trend for Co-op feature games.
A typical game associated with this feature collected on average between 96 (2010) and 1966 (2014) reviews. Keep in mind that it is the average and not the median, meaning it is heavily influenced by extreme values, like a very successful game with this feature.
The reviews per game as a percentage of the average show that games in the Co-op feature received between 235% (2013) and 467% (2021) reviews compared to other features.
| Image | Name | Description | Price | Rating | Release Date |
|---|---|---|---|---|---|
  | Left 4 Dead | From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters. | 9.99 | 96.2% | Nov 17, 2008 |
  | Left 4 Dead 2 | 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. | 9.99 | 97.6% | Nov 16, 2009 |
  | Dota 2 | Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own. | Free | 85.2% | Jul 9, 2013 |
  | Portal 2 | The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends! | 9.99 | 98.8% | Apr 18, 2011 |
  | Alien Swarm | Co-operative multiplayer game and complete code base available for free. | Free | 95.5% | Jul 19, 2010 |
  | Killing Floor | 6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun! | 19.99 | 96.1% | May 14, 2009 |
  | DEFCON | Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare. You play a General hidden deep within an underground bunker. | 9.99 | 86.7% | Sep 29, 2006 |
  | Multiwinia | "Long ago a computer scientist called Dr Sepulveda created a beautiful digital world existing entirely within a computer network of his own invention. This world was called Darwinia and it was inhabited by a peaceful, law-abiding digital life-form called the Darwinians. | 9.99 | 81.8% | Sep 19, 2008 |
  | Disciples II: Rise of the Elves | The award-winning series Disciples introduced a milestone in the game's very successful history; the introduction of a new race: The Elves. The Elven Race added a new dimension to the game and added countless hours of gameplay. Now that series has expanded further with Disciples II: Rise Of The Elves. | 6.99 | 86.1% | Jul 6, 2006 |
  | Disciples II: Gallean's Return | Disciples II: Gallean's Return is a compilation edition that includes the base game, Disciples II: Dark Prophecy, plus the two standalone expansions Disciples II: Guardians of the Light and Disciples II: Servants of the Dark. | 6.99 | 82.1% | Jul 6, 2006 |
  | Earth 2160 | After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts. | 4.99 | 69.1% | Apr 1, 2006 |
  | Two Worlds Epic Edition | ... 300 years after Aziraal has been banished, a brother and sister are drawn into the conflict which has flared up between the Orcs and the free world. Kyra, the hero's younger sister, suddenly disappears in mysterious circumstances.«...If my family really belongs to the chosen ones, why then have we always been as poor as church mice? | 9.99 | 76.8% | Apr 30, 2009 |
  | DOOM (1993) | You’re a marine—one of Earth’s best—recently assigned to the Union Aerospace Corporation (UAC) research facility on Mars. When an experiment malfunctions and creates a portal to Hell, the base is overrun by blood-thirsty demons. You must shoot your way out to survive. | 4.99 | 96.8% | Aug 3, 2007 |
  | DOOM II | Hell has invaded Earth, and to save it, you must battle mightier demons with even more powerful weapons. This beloved sequel to the groundbreaking DOOM (1993) introduced players to the brutal Super Shotgun, the infamous Icon of Sin boss, and more intense FPS action. | 4.99 | 95.1% | Aug 3, 2007 |
  | Quake | Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original. | 9.99 | 96.4% | Aug 3, 2007 |
  | Quake II | Mankind is at war with the Strogg, a hostile alien race planning an invasion of Earth. In response, we launched a preemptive strike...it failed. Outnumbered and outgunned, you must fight to shut down the enemy's war machine. Only then will the fate of humanity be known. | 4.99 | 92.6% | Aug 3, 2007 |
  | RIP - Trilogy™ | With the completion of the third title in the RIP series, the RIP games have become an instant classic in the arcade-shooter genre. RIP Trilogy brings all three RIP titles into one exciting and heart-pounding pack.RIPNot afraid of Death? What if he is accompanied by Halloween and Rock-N-Roll? | 4.99 | 64.7% | Jun 1, 2007 |
  | ThreadSpace: Hyperbol | ThreadSpace: Hyperbol is an action-strategy game set in the distant future. Players battle each other on roads in space as they pilot massive ships capable of firing a wide variety of weapons. Create defenses, coordinate with your team, and launch an assault against your opponents to achieve victory! | 4.99 | 93.3% | Jul 12, 2007 |
  | Sub Command | Take charge of the most deadly modern-day submarines in the world - three distinct submarines across two unique and challenging campaigns. Utilize cutting-edge sensor and weapon technology to locate, track and destroy the enemy - even deliver Tomahawk missiles to inland targets. | 9.99 | 74.8% | Oct 26, 2006 |
  | Judge Dredd: Dredd vs. Death | Welcome to Mega-City One, a city of over 400 million people - every one of them a potential criminal. It is the third decade of the 22nd Century, unemployment is widespread, boredom is universal and only the Judges can prevent total anarchy. Empowered to dispense instant justice, they are Judge, Jury and Executioner all in one. | 7.99 | 88.2% | Mar 26, 2009 |
  | Garry's Mod | Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play. | 9.99 | 96.8% | Nov 29, 2006 |
  | Full Spectrum Warrior | The U.S. Army is the most powerful ground force in the entire world. The backbone of a ground invasion is the U.S. Army Infantry, and in the midst of combat, their skills, courage, and teamwork are put to the test. While readiness continues to be the U.S. Army's top priority, how it goes about its business is changing. | 9.99 | 68.4% | Jul 17, 2007 |
  | Full Spectrum Warrior: Ten Hammers | Sequel to the critically acclaimed, squad-based/real-time tactical combat game, Full Spectrum Warrior: Ten Hammers delivers the most authentic and realistic infantry combat experience ever. As Squad Leader, coordinate the actions of multiple infantry squads, leading them through over 12 levels of intense action. | 9.99 | 69.4% | Jul 17, 2007 |
  | Thrillville®: Off the Rails™ | Thrillville™: Off the Rails lives up to its name with 20 death-defying rides! Players can build incredible coasters to leap from one track to another, launch through the air like cannonballs, blast through a burning rings of fire and more! | 9.99 | 93.4% | Jul 8, 2009 |
  | Joint Task Force | Joint Task Force is the real-time strategy (RTS) game where you command the frontline forces in tomorrow's most hazardous conflicts. Lead twenty dramatic missions in explosive war-zones including the Middle East, Central Asia, and the Balkans. | 7.99 | 89.8% | Mar 27, 2007 |