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    2. Sven Co-op

    Sven Co-op

    A free co-op shooter based on Half-Life, where a team fights through monster-filled missions and community maps.

    Online co-op for up to 32 players.

    • 32 online

    Where to buy

    SteamOfficial site
    Sven Co-op store art
    Free co-op
    • Store art
    • Screenshot 1
    • Screenshot 2
    • Screenshot 3
    • Screenshot 4

    Playing together

    All co-op facts
    • Online co-op32 players
    • Local co-opNot confirmed
    • Not confirmed
    • Not confirmed
    • Not confirmed
    • Steam DeckPlayableValve's own rating

    About the game

    Sven Co-op began in 1999 as a mod for Half-Life and is now a separate game on Steam. You and other players fight monsters through missions built for a team. The game ships with many maps, and the community has made thousands more. Most missions ask you to reach the end or finish an objective.

    The weapons and monsters feel like Half-Life, but the difficulty is raised for a group. You share ammo, boost each other up to high ledges, and heal or revive teammates with a medkit. Some maps add puzzles that need everyone. You can join public servers or play with a few friends.

    Public servers can be loud and messy, and newcomers may find the many features confusing. It is free, and it runs on Windows and Linux.

    How it feels

    Kind of game

    Squad shooter

    A team takes on missions or runs full of enemies. You pick gear, cover each other and pick each other up.

    At its heart
    Now and then
    • Rivalry in the group
    • Jumping and climbing

    Rated on our own feel scale. 3 sources back these ratings.

    Screenshots

    If you liked Sven Co-op

    You will probably enjoy these too. Each one says why.

    All 5 matches
    • Crab Champions

      Why it scores 76%

      What they share

      Kind of game
      Squad shooter
      About
      Monsters
      Core to both
      Fighting
      Sessions
      Repeatable runs
      Notable in both
      Tension and danger
      Co-op
      Online co-op

      How Crab Champions differs

      • Less figuring things out than Sven Co-op
      • Harder to master than Sven Co-op
      • More planning than Sven Co-op
      • A roguelike, so every run starts over
      • Early access
      • 6 online

      Both send your squad into fights where you watch each other's backs. Both are about monsters that hunt you. Both have a lot of fighting side by side.

      But less figuring things out than Sven Co-op.

    • Sker Ritual

      Why it scores 76%

      What they share

      Kind of game
      Squad shooter
      About
      Monsters
      Core to both
      Fighting
      Notable in both
      Puzzles and figuring out, Working in sync, Tension and danger
      Sessions
      Repeatable runs
      Co-op
      Online co-op

      How Sker Ritual differs

      • Harder to master than Sven Co-op
      • More to unlock than Sven Co-op
      • Fits a smaller group than Sven Co-op
      • 4 online
      • Crossplay

      Both send your squad into fights where you watch each other's backs. Both make you work things out together. Both are about monsters that hunt you.

      But harder to master than Sven Co-op.

    • Far Far West

      Why it scores 75%

      What they share

      Kind of game
      Squad shooter
      About
      Monsters
      Notable in both
      Laughter and chaos, Working in sync, Exploring, Tension and danger
      Core to both
      Fighting
      Sessions
      Repeatable runs
      Co-op
      Online co-op

      How Far Far West differs

      • Harder to master than Sven Co-op
      • More to unlock than Sven Co-op
      • More planning than Sven Co-op
      • Fits a smaller group than Sven Co-op
      • Early access
      • 4 online

      Both send your squad into fights where you watch each other's backs. Both get loud and silly when plans go wrong. Both are about monsters that hunt you.

      But harder to master than Sven Co-op.

    All co-op facts

    Last checked 28 October 2026. The small numbers link to the page that states each fact.

    Co-op

    Online co-op
    Yes
    124
    Most players online
    32
    4
    Fewest players online
    Not confirmed
    Local co-op
    Not confirmed
    Most players on one screen
    Not confirmed
    Split or shared screen
    Not confirmed
    Separate-device co-op
    Not confirmed
    Most players on separate devices
    Not confirmed
    Free base co-op
    Yes

    The page has a Play Game button, shows the price as Free and lists Free To Play among its genres and tags.

    125
    Confirmed free setups
    Co-op missions and community maps. PC, Linux. Online. Group sizes not confirmed.
    1
    Crossplay
    Not confirmed
    Crossplay between
    Not confirmed
    Friends can join mid-game
    Not confirmed
    Only one of you needs to buy it
    Not confirmed
    Voice chat by distance
    Not confirmed

    Platforms

    Platforms
    PC (Windows), Linux
    2
    Single-player editions
    Not confirmed
    Steam Deck
    Playable
    3

    Release

    Release status
    Released
    2
    Release date
    22 January 2016
    256

    Genres

    Genres
    Shooter
    6

    Store IDs

    Steam app ID
    225840
    2
    Wikidata item
    Q2668802
    6

    Sources

    8 pages
    1. store.steampowered.comStore page, read 28 October 2026

      Backs Online co-op, Free base co-op, Confirmed free setups, Kind of game, Sessions, About, Tension and danger, Rivalry in the group, Fighting, Puzzles and figuring out.

      • Online co-op: The features list shows Online Co-op.
      • Free base co-op: The page has a Play Game button, shows the price as Free and lists Free To Play among its genres and tags.
      • Confirmed free setups: The whole game is free and co-op is its main mode, so the named activity covers the game. No page lists supported group sizes, so none are given.
      • Kind of game: The maker's text has players working together against computer-controlled enemies. User tags include Co-op, Team-Based and PvE.
      • Sessions: The maker's text says levels are separate missions and many of them span several maps.
      • About: The maker's text says the monsters are similar to those in Half-Life.
      • Tension and danger: The maker's text says the difficulty is raised to suit team play. Evidence is thin, so 2 rather than 3.
      • Rivalry in the group: The maker's text says a high score is not needed to beat a level, but it is part of the fun.
      • Fighting: User tags include Shooter, FPS and Shoot 'Em Up, and the text sets players against computer-controlled enemies.
      • Puzzles and figuring out: The maker's text says the team has to solve puzzles, and user tags include Puzzle.
    2. store.steampowered.comStore data, read 28 October 2026

      Backs Steam app ID, Online co-op, Free base co-op, Platforms, Release status, Release date.

      • Online co-op: Categories include Co-op and Online Co-op. LAN Co-op is listed too, which is not local co-op here.
      • Free base co-op: is_free is true and there is no price.
      • Platforms: Steam lists Windows and Linux. It lists no Mac build.
      • Release status: coming_soon is false and the genres do not include Early Access.
      • Release date: Steam shows Jan 22, 2016, the day the stand-alone game came out. The Half-Life mod it grew from dates to 1999.
    3. store.steampowered.comStore data, read 28 October 2026

      Backs Steam Deck.

      • Steam Deck: Valve rates the game Playable on Steam Deck.
    4. svencoop.comOfficial support page, read 28 October 2026

      Backs Online co-op, Most players online.

      • Online co-op: The server guide offers an Internet server that anyone with a Steam account can join, besides a LAN option.
      • Most players online: The guide gives the server limit as 2 to 32 players and says most maps get overcrowded above 12. It is written for dedicated servers, so 32 is the server cap.
    5. svencoop.comOfficial news, read 28 October 2026

      Backs Free base co-op, Release date.

      • Free base co-op: The maker's post of 19 January 2016 says the stand-alone Steam game costs nothing.
      • Release date: The maker's post titled Sven Co-op 5.0 Released is dated 22 January 2016. Its post of 19 January 2016 marks 17 years since the first public mod version in 1999.
    6. wikidata.orgWikidata, read 28 October 2026

      Backs Wikidata item, Genres, Release date.

      • Genres: P136 is first-person shooter.
      • Release date: P577 is 1999-01-19, the first release of the Half-Life mod. Steam and the maker's news give 2016-01-22 for the stand-alone game that is on sale, so 2016 is used.
    7. gamespew.comPress, read 28 October 2026

      Backs Laughter and chaos, Working in sync, Exploring, Jumping and climbing, Time to hang out.

      • Laughter and chaos: GameSpew review from 2016-01-30 describes a first public server as a chaotic blur where teammates die at a comically fast rate.
      • Working in sync: Describes sharing ammo, boosting players to high places and healing or reviving teammates.
      • Exploring: Mentions secret areas, a maze map and hundreds of bundled maps.
      • Jumping and climbing: Describes crouching so a teammate can jump on you to reach high places.
      • Time to hang out: Calls it a very social game where strangers become friends and talk freely.
    8. pcgamesn.comPress, read 28 October 2026

      Backs Sessions, Exploring.

      • Sessions: PCGamesN article from 2016-01-23 says players work through Half-Life together and can play thousands of community maps, so sittings move from map to map.
      • Exploring: Mentions thousands of maps built by the community.