
A truly free and open source multiplayer shooter, no strings attached. Have casual deathmatch matches on various scenarios. Build your own levels with the ingame editor and assets that come with the game, or just play around and use it as a sandbox.
60+ similar titles based on shared tags and player behavior. Themes include Free to Play, Multiplayer, Action, Shooter.

A truly free and open source multiplayer shooter, no strings attached. Have casual deathmatch matches on various scenarios. Build your own levels with the ingame editor and assets that come with the game, or just play around and use it as a sandbox.

WARMODE
Free to play shooter about the confrontation of two irreconcilable sides, represented by the government military housings and the armed hirelings. Try your hand at virtual battles with off-scale dynamics and hurricane gameplay in the spirit of the classical shooters.

Gunscape
Gunscape provides easy-to-use tools based on a block-placement interface everybody's already familiar with to create all types of maps. Don't like building stuff? Then just blast your way through hordes of monsters or duel with other players!
Free to play shooter about the confrontation of two irreconcilable sides, represented by the government military housings and the armed hirelings. Try your hand at virtual battles with off-scale dynamics and hurricane gameplay in the spirit of the classical shooters.
Why similar: FPS 31.8%, Multiplayer 25.8%, Shooter 18.8%, Action 8.8%, First-Person 6.9%
Gunscape provides easy-to-use tools based on a block-placement interface everybody's already familiar with to create all types of maps. Don't like building stuff? Then just blast your way through hordes of monsters or duel with other players!
Why similar: FPS 23.5%, Multiplayer 22.5%, Action 14.9%, Shooter 13.7%, Open World 10.5%
Blockstorm is a FPS game set in a world made of destructible blocks. All maps and characters included in the game are made with the same tools that are available to the public. You can build everything in Blockstorm, and you can destroy it.
Why similar: FPS 26.9%, Multiplayer 21.2%, Action 17%, Shooter 15.2%, Open World 8.7%
Cross-platform hurricane online 3D Shooter
Why similar: FPS 28%, Multiplayer 25.1%, Shooter 16.2%, Action 12.2%, First-Person 6.2%
BLOCKADE 3D! First Person Shooter in an editable procedural cubic world. A large arsenal of weapons, 4 teams at the same time and up to 32 players on one map. A large number of game modes!
Why similar: FPS 26.8%, Multiplayer 25.8%, Shooter 21.7%, Action 10%, Open World 7.3%
Fast paced FPS with high customizational freedom. From game mode customization to an in depth weapon tuning and attachment system up to detailed character customizations, while it was developed so you can choose to either go for high performance or graphical fidelity without an high end PC.
Why similar: FPS 31.2%, Multiplayer 22.7%, Shooter 16.1%, Action 11%, Open World 8.9%
Genesis Online! First Person Multiplayer Adventure game in an editable procedural cubic world.
Why similar: Multiplayer 34.3%, Open World 26.6%, Survival 18%, Action 11.4%, First-Person 5.5%
CS2D is a free fast-paced top-down multiplayer shooter. Featuring many different game modes, a built-in map editor and much more.
Why similar: Multiplayer 31.8%, Shooter 28.8%, Action 13.1%, FPS 10.8%, Gore 5.5%
Ever wanted to create your own Multiplayer FPS? Now you can!"But.. it's hard." No, it isn't, you just need motivation and some basic programming knowledge.This game is the Free-to-play Demo of what you can create by watching the Video Series "How to Create a Multiplayer FPS in Unity" available on Steam Video Platform!
Why similar: Action 26%, FPS 24.6%, Multiplayer 21.7%, Casual 16.5%, Indie 11.3%
Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can even design your own maps!
Why similar: Multiplayer 51.9%, Action 21.2%, Shooter 20.7%, Indie 6.2%
BLOCKADE Classic! First Person Shooter in an editable procedural cubic world. A large arsenal of weapons, 4 teams at the same time and up to 32 players on one map. A large number of game modes!
Why similar: FPS 31.7%, Multiplayer 20.6%, Shooter 19.5%, Action 13.9%, First-Person 4.5%
Destroy, smash and blast your way to victory! Use advanced weapons and vehicles to dominate the battlefield.
Why similar: Shooter 26.5%, FPS 24.9%, Multiplayer 21.8%, Action 9.3%, Open World 8.7%
BlackShot is a free-to-play, first-person shooter set in a post-apocalyptic world.Join other mercenaries in brutal team combat, multiple game modes, and experience in-depth customization to create your perfect warrior!
Why similar: FPS 34%, Multiplayer 21.9%, Shooter 18%, Action 12.6%, First-Person 5%
Procedural cubic 3D-shooter in the best traditions of the genre. The game is a rich cocktail consisting of the most popular and functional gaming solutions. Customization of characters, opening cases and improving the existing arsenal — all this is available in the game now!
Why similar: FPS 37.2%, Multiplayer 25.3%, Shooter 16.2%, Action 10.2%, First-Person 5.5%
Free-to-play action packed multiplayer FPS featuring a variety of gamemodes. Perfect for quick casual games with friends.
Why similar: FPS 25.1%, Multiplayer 23.1%, Shooter 16.5%, Open World 8.3%, Action 8.1%
Building on over 15 years of gameplay design, Red Eclipse continues to focus on fast paced, agile, easily accessible first person shooter gameplay. For creators, the full power of the Tesseract engine is at your fingertips in the included realtime multiplayer editor.
Why similar: FPS 29.3%, Multiplayer 25.2%, Action 15.7%, Gore 11.9%, Indie 8.2%
Grab a weapon, demolish your enemies, level up, become more powerful, let the gore flow, let the limbs fly. BrainBread 2 introduces a zombie fps mixed with RPG / Arcade elements, the game is very action-packed and generally fast-paced.
Why similar: Multiplayer 27.5%, FPS 23.5%, Shooter 11.5%, Survival 10.3%, Gore 10%
A Simple, Fun, Multiplayer FPS game, strictly built and packaged for development testing and networking development.
Why similar: FPS 31.7%, Multiplayer 24.3%, Shooter 22.2%, Action 18.3%, Indie 3.6%
Destroy, smash and blast your way to victory. Use advanced weapons and vehicles to dominate the battlefield.
Why similar: FPS 26.6%, Multiplayer 23.9%, Shooter 19.1%, Action 13.2%, Open World 7.9%
With lightning-fast gameplay fully exploiting all three dimensions of motion, CAGE is a shooter unlike any other. The "tether" allows for unprecedented freedom and agility of movement, creating explosive action.
Why similar: FPS 25.2%, Multiplayer 24.2%, Action 22.9%, Casual 16%, Indie 11.7%
Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie fragging with both objective, and survival-based missions.
Why similar: FPS 25.2%, Shooter 23%, Multiplayer 20.1%, Gore 13%, Action 10%
Mortal Online is a first-person medieval fantasy MMORPG, set in a huge, open, unforgiving world. Choose your race, choose your playstyle, choose a profession, choose where to place your loyalties - if you have any...
Why similar: Open World 37.2%, Multiplayer 18.1%, Survival 11.4%, First-Person 9.4%, Action 9.3%
Double Action is a free stylish multiplayer game about diving, flipping, and sliding your way into action movie mayhem.
Why similar: Multiplayer 28.2%, FPS 18.3%, Shooter 17.2%, Action 14%, Open World 12.2%
Free-to-play multiplayer action game in the entourage of the Second World War with total destructibility of the environment. Enjoy full freedom, build a defense, create your army, crush the enemy.
Why similar: FPS 25.2%, Multiplayer 22.8%, Shooter 12.7%, Open World 12.6%, Survival 10%
Tactical Multiplayer FPS shooter with a story based on the events of the World War II. Strategic battles with a variety of vehicles, including artillery. Multiple game modes. Ranks, titles, awards, career.
Why similar: FPS 27.9%, Multiplayer 24.7%, Open World 14.1%, Action 11.1%, Shooter 7.7%
You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
Why similar: FPS 18.9%, Open World 17.5%, Multiplayer 17.1%, Shooter 12.9%, Survival 9.4%
Death Toll is a multiplayer, open world first person survival shooter with a unique game mode that focuses on team play. Players are dropped into the world with nothing but their cunning, their will to survive, and the game's single goal: Escape the Island.
Why similar: Action 21.2%, Multiplayer 21.2%, Open World 19.2%, FPS 18.4%, Indie 10.6%
Counter-Strike Nexon is a Free to Play MMOFPS offering competitive PvP and PvE action including content from the original Counter-Strike and all new game modes, map creation function, weapons, and hordes of Zombies!
Why similar: FPS 37.2%, Multiplayer 20.8%, Shooter 16%, Action 9.6%, First-Person 8.5%
Ace Squared is a multiplayer arena first-person shooter. You can build huge structures and dig tunnels behind enemy lines. Imagination is the only limit. Featuring 32-player servers, different classes and gamemodes.
Why similar: FPS 30.9%, Multiplayer 28.9%, Action 15.7%, First-Person 8%, Casual 7.9%
A Sandbox Multiplayer Airship Shooting Game.Design battleships with weapons in a "rock paper scissors" mechanic.Shoot or Collide enemy ships into pieces.Challenge players all over the world with ships designed by yourself!
Why similar: Multiplayer 61.5%, Action 24.4%, Indie 14.1%
TDP5: Arena - the outstanding Free-To-Play 3D online shooter game with RPG elements, styled as 2D platformer. Real physics, various maps, achievement system, flexible adjustment of talents, leaderboard and much more you can find in our game! Come quickly!
Why similar: Action 35.2%, Shooter 21%, Open World 20.6%, Multiplayer 17.2%, First-Person 6%
Flash Point aims for a special online FPS games. Play today and unlock skins, challenge others and win. With a real-time level editor, go crazy and build your own mad creations.
Why similar: FPS 49.5%, Action 26.1%, Indie 13.4%, Survival 11%
Unchained is a fast paced retro multiplayer first person shooter in which you can compete in different game modes and maps, using a large arsenal of unique and deadly weapons (And some cool powerups too) to defeat your enemies.
Why similar: Action 23.9%, Multiplayer 23.6%, FPS 14.6%, Gore 13.9%, Indie 10.1%
Sanbox multiplayer building game with additional game mods
Why similar: Open World 22.2%, Multiplayer 21%, Shooter 18.7%, Action 13.9%, Survival 11.9%
Plastic PlayGround is a fast paced, team based, LAN multiplayer first-person shooter. In PPG you play as everyones favorite toy only this time you get to run, jump, jetpack, grapple, and fly. The goal is to capture as many control points as you can while eliminating and evading hostile toys from the enemy team.
Why similar: FPS 48.9%, Action 27.7%, Multiplayer 23.5%
Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification.
Why similar: Multiplayer 28.3%, FPS 19.9%, Survival 12.3%, Action 11.9%, Shooter 10.1%
Multiplayer free-to-play first-person shooter. Crazy weapons, battle strategy, dynamic gameplay. Win the battle for territory with your team.
Why similar: FPS 28.2%, Multiplayer 24.2%, Shooter 22.6%, Action 21.1%, Indie 3.9%
Why similar: Multiplayer 50.4%, Survival 21.9%, Open World 10.7%, Action 8.6%, First-Person 8.4%
Multiplayer sandbox with destructible environment. Destroy different maps, build your own, and play with your friends and other people online
Why similar: Shooter 28.3%, Multiplayer 24.6%, Action 17%, FPS 14.9%, First-Person 13.3%
Co-operative multiplayer game and complete code base available for free.
Why similar: Multiplayer 42.1%, Shooter 26.9%, Action 21.5%, Survival 9.5%
Fragsurf is a dynamic blend of multiplayer first-person shooter PvP, strafing, surfing, and bunnyhop, allowing players to engage in high-speed maneuvers and combat.
Why similar: FPS 24.5%, Multiplayer 22%, Action 16.2%, Shooter 15.6%, First-Person 10.5%
NOTE - All previously sold DLC is now included in the game for free:Deep Cave Block PackUnder the Sea Block Pack Wild West Block PackUnique Skin PackHorror SFX PackSci-Fi SFX PackBlock and Load! Combining the addictive nature of block building sandbox games with the speed and competition of modern first-person shooters, Guncraft takes...
Why similar: FPS 39.6%, Action 21.1%, Multiplayer 20.3%, Indie 9.6%, Shooter 9.4%
DeathMatch is a Turkish-made FPS game. Join the fight with your friends or alone.
PaintballX is an online mutliplayer FPS paintball game! Battle your friends in a casual paintball FPS!
Why similar: FPS 30.7%, Shooter 22.5%, Multiplayer 19.9%, Casual 15.7%, Action 7.7%
A fast-paced multiplayer shooter where you customize your robot, zoom around with a jetpack, and battle with various weapons. Master the arenas, surprise your enemies, and enjoy the nonstop action!
Why similar: Multiplayer 41.5%, Shooter 28.1%, Action 19%, Indie 11.4%
Pyroworks is a free-to-play online multiplayer game containing fireworks from real-life companies from all over the globe. You can choose to make your own show, cause destruction and chaos or simulate new years. Don't miss out on playing with your friends - the most fun part.
Why similar: Multiplayer 40.5%, Open World 26.2%, First-Person 13.1%, Action 10.6%, Casual 5.4%
Ultimate Ragdoll Game is a Sandbox game without any limits. Have fun with ragdolls available in Steam Workshop and build your very own constructions using wide variety of blocks.
Smash worms or slither trying! Warning: Incredibly addicting Multiplayer Game!
Why similar: Multiplayer 63.3%, Casual 19%, Action 12.6%, FPS 4.3%, Indie 0.8%
Onraid is a challenging 2D shooter game, where you are free to develop your own play style and tactics to destroy your enemies.
Why similar: Multiplayer 35.6%, Shooter 21.8%, Action 19.1%, Gore 8.6%, Survival 8.2%