Action · Atmospheric · Moddable games to play together

18 Action · Atmospheric · Moddable games your group can play together online, including Fireworks Mania - An Explosive Simulator, BallisticNG, and Star Control®: Origins.

All games: 18

Fireworks Mania - An Explosive Simulator

FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.

97%97% positive of 7,581 reviews60Playing now: 60$14.99

BallisticNG

BallisticNG is a high speed, all thrills anti-gravity combat racer and open modding environment developed as a tribute to old school classics such as Wipeout, Rollcage and Jet Moto.

93%93% positive of 2,331 reviews27Playing now: 27$14.99

Star Control®: Origins

Star Control is a space role-playing game in which you command Earth's first interstellar starship on a mission to save the Earth from hostile alien empires.

73%73% positive of 2,076 reviews23Playing now: 23$19.99

Killing Floor 2

In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.

87%87% positive of 88,122 reviews6.3KPlaying now: 6,286$2.99

Crashday Redline Edition

Crashday, the explosive cult classic multiplayer racer, is back! Retooled and remastered, Crashday: Redline Edition brings back the fun and memories of the original with this lovingly crafted tribute edition, featuring all-new and expanded features, including Steam Workshop support. Today is Crashday!

89%89% positive of 1,537 reviews4Playing now: 4$11.99

Grim Dawn: Dark Fantasy Co-op With a Mountain of Loot

Join up to three friends in Grim Dawn’s ruined world, pair character classes, and take on monsters together with shared or personal loot.

93%93% positive of 93,661 reviews4.6KPlaying now: 4,597$24.99

Contagion co-op: survive the outbreak with up to 16 in your party

Contagion mixes cooperative zombie survival, a story campaign, and player-versus-player modes. See how its online party, game modes, and older PC setup fit your group.

74%74% positive of 10,047 reviews20Playing now: 20$3.39

Natural Selection 2

A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

85%85% positive of 8,647 reviews142Playing now: 142$4.99

STAR WARS™ Jedi Knight II - Jedi Outcast™

The Legacy of Star Wars Dark Forces™ and Star Wars® Jedi Knight lives on in the intense first-person action of Jedi Outcast.

90%90% positive of 4,063 reviews33Playing now: 33$9.99

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.

95%95% positive of 14,096 reviews169Playing now: 169$9.99

Quake II

You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.

95%95% positive of 8,582 reviews109Playing now: 109$9.99

Quake III Arena

The greatest warriors of all time and space have been summoned to battle for the amusement of an ancient alien race. Wield a variety of guns and power-ups as you fight for glory against ruthless combatants in this fast-paced single-player and multiplayer FPS.

95%95% positive of 3,483 reviews44Playing now: 44$14.99

Half-Life 2

Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.

97%97% positive of 204,574 reviews2.2KPlaying now: 2,210$9.99

Half-Life

Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

96%96% positive of 118,309 reviews1.2KPlaying now: 1,191$9.99

VoidExpanse

Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!

68%68% positive of 570 reviews0Playing now: 0$14.99

Black Ice

Hack greedy megacorps to help as many people as you can in a high-agility cyberpunk looter/shooter RPG. Explore neon cyberspace vistas and outmaneuver AIs to customize your hacker OS and weapon combos. Play solo or online co-op with up to 10 people!

94%94% positive of 516 reviews0Playing now: 0$19.99

Dustwind

ARE YOU READY FOR CLASSIC REALTIME TACTICS? Be the nameless heroine in the wastelands of DUSTWIND's story campaign or find with two friends a new home or fight against and with human players in the elaborate Multiplayer mode or design your very own story campaigns and maps in the mighty map editor!

75%75% positive of 342 reviews0Playing now: 0$24.99

EXIT 2

EXIT 2 is a free multiplayer horror game in which a team of players must collect and deliver keys and then escape, while another player must stop them as a monster.

92%92% positive of 188 reviews0Playing now: 0Free