New co-op games, December 2025

1. Rhythm Doctor
Save patients with your rhythm mastery!
Save patients with your rhythm mastery!
Save patients with your rhythm mastery! Rhythm Doctor is a rhythm game where you heal patients by defibrillating in time to their heartbeats.
MusicLevel EditorRhythm
Played by
2. No One Survived
This is a multiplayer cooperative open world construction survival…
This is a multiplayer cooperative open world construction survival sandbox game, where you…
This is a multiplayer cooperative open world construction survival sandbox game, where you and your friends must find supplies and build shelters in this world.
Post ApocalypticZombiesSurvival Horror
3. MARVEL Cosmic Invasion
A cosmic battle awaits!
A cosmic battle awaits!
A cosmic battle awaits! Choose between 15 Marvel Super Heroes in this frenetic action beat ‘em up to fight against the deadly Annihilation Wave threatening the galaxy.
SuperheroSide ScrollerBeat Em Up
Played by
4. PIONER
PIONER drops players into a vast, grim world, where survival hinges on…
PIONER drops players into a vast, grim world, where survival hinges on exploration…
PIONER drops players into a vast, grim world, where survival hinges on exploration, crafting, and smart resource management.
Looter ShooterPost ApocalypticCrafting
Played by
5. Bits & Bops
Bits & Bops is a collection of original rhythm mini-games!
Bits & Bops is a collection of original rhythm mini-games!
Bits & Bops is a collection of original rhythm mini-games! Filled with catchy music, snappy gameplay and gorgeous, hand-drawn animation, Bits & Bops is sure to brighten your day.
MinigamesWholesomeScore Attack
Played by
6. Yakuza 0 Director's Cut
Discover the decadence and danger of 1980's Japan as you fight like…
Discover the decadence and danger of 1980's Japan as you fight like hell through its…
Yakuza 0 Director's Cut is the definitive edition of the critically acclaimed prequel to the Yakuza series.
Story RichBeat Em UpAction Adventure
Played by
7. Cloudheim
Master chaotic physics-based combat inspired by Zelda and Devil May Cry.
Master chaotic physics-based combat inspired by Zelda and Devil May Cry.
Master chaotic physics-based combat inspired by Zelda and Devil May Cry. Explore islands and dungeons, smash monsters, loot and craft powerful gear, and grow your home in the sky.
CraftingAction RPGPhysics
Played by
8. DON'T SCREAM TOGETHER
A very simple co-op jumpscare horror experience where you and friends…
BEFORE YOU BUY DON’T SCREAM TOGETHER is a very simple co-op jumpscare horror experience.
A very simple co-op jumpscare horror experience where you and friends walk through a pitch black forest and try to stay quiet.
RealisticSurvival HorrorHorror
Played by
9. Raiders of Blackveil
Join the rebellion against the evil corporation Blackveil in this…
Join the rebellion against the evil corporation Blackveil in this action-packed roguelite…
Join the rebellion against the evil corporation Blackveil in this action-packed roguelite for 1-3 players.
LootTop DownDungeon Crawler
Played by
10. KEEP GAMBLING
KEEP GAMBLING is a hostile friendslop gamble-em-up featuring LOTTO…
KEEP GAMBLING is a hostile friendslop gamble-em-up featuring LOTTO TICKET, CASE OPENING…
KEEP GAMBLING is a hostile friendslop gamble-em-up featuring LOTTO TICKET, CASE OPENING, SLOTS, and SUBSTANCE ABUSE simulations.
GamblingPartyFPS
Played by
11. Ukrainian Fight Drone Simulator (UFDS) - FPV drone simulator
This is not just a game. This is ultra-realistic training.
This is not just a game. This is ultra-realistic training. Now with multiplayer!
Ukrainian Fight Drone Simulator – Starter Edition is a public version of a leading ultra-realistic FPV drone trainer built on lessons from the Ukrainian frontline.
WargameFlightMilitary
12. Blood: Refreshed Supply™
Things are about to get… bloody!
Things are about to get… bloody!
Things are about to get… bloody!
Boomer ShooterFPSHorror
Played by
13. Kingdom of Night
Hunt down nightmarish demons and save the town of Miami, AZ in this…
Hunt down nightmarish demons and save the town of Miami, AZ in this 80s-themed, isometric…
Hunt down nightmarish demons and save the town of Miami, AZ in this 80s-themed, isometric action-RPG.
1980sIsometricStory Rich
Played by
14. LET IT DIE: INFERNO
Hell Gate tore open the earth!
Hell Gate tore open the earth!
Hell Gate tore open the earth! Deep within its chaotic depths, where time and space warp, lies the "Eye of the Reaper"—a treasure granting world-ruling power.
Dungeon CrawlerHack and SlashRoguelike
Played by
15. Army Troop
Army Troop is an old-school PvP World War 2 online first-person shooter.
Army Troop is an old-school PvP World War 2 online first-person shooter.
Army Troop is an old-school PvP World War 2 online first-person shooter. Reminding you of the good old days World War games.
World War IiRealisticFPS
Played by
16. Head's Adventures:chibichibi
[97% Very Positive] Teamwork has never been this chaotic!
[97% Very Positive] Teamwork has never been this chaotic!
[97% Very Positive] Teamwork has never been this chaotic! Throw your head, transform into one, and maybe... kick your friend's head across the map in this physics-based platformer?
PartyRacingParty Game
Played by
17. Survive the Nights
Hardcore open-world survival where preparation is everything.
Hardcore open-world survival where preparation is everything.
Hardcore open-world survival where preparation is everything. Scavenge, craft, fortify during the day. When night falls, the infected hunt in numbers.
Post ApocalypticAtmosphericRealistic
Played by
18. Pure Badminton
Pure Badminton is the most realistic Badminton simulation…
Pure Badminton brings the speed, precision, and energy of real-world badminton to life.
Pure Badminton is the most realistic Badminton simulation game.Experience the sensations of badminton, in a fast, technical and strategical game.
ControllerRealisticSports
Played by
19. Backrooms Media
Backrooms Media is a 1-4 player co-op horror that plunges you into…
Backrooms Media is a 1-4 player co-op horror that plunges you into unsettling…
Backrooms Media is a 1-4 player co-op horror that plunges you into unsettling, hyper-realistic liminal spaces. Navigate eerie environments filled with lurking horrors.
Psychological HorrorSurvival HorrorHorror
Played by
20. Guild Wars® Reforged
Experience the game that started a 20-year legacy!
Experience the game that started a 20-year legacy!
Step into Guild Wars Reforged, the award-winning online roleplaying game enjoyed by millions, now re-energized with system enhancements and Steam Deck verified.
CRPGChoose Your Own AdventureMmorpg
Played by
21. PancitoMerge
Step into a warm, flour-dusted world where pan dulce takes center stage.
Step into a warm, flour-dusted world where pan dulce takes center stage.
Drop, stack, and merge colorful pan dulce into bigger, tastier treats in this cozy puzzle adventure!
Match 3Hand DrawnRelaxing
22. Deadly Delivery
-Also available on Steam Frame.
An online VR co-op horror game about delivering parcels into haunted mines.
An online VR co-op horror game about delivering parcels into haunted mines. Avoid monsters, drop off packages, and pray you reach the quota!
ComedyVRPhysics
Played by
23. Dreadline: Net Quota
Dreadline: Net Quota is a chaotic co-op game for up to 6 players set on…
Dreadline: Net Quota is a chaotic co-op game for up to 6 players set on dangerous seas.
Dreadline: Net Quota is a chaotic co-op game for up to 6 players set on dangerous seas.
FishingAtmospheric3D
Played by
24. Virtual Fighter Maneuvers
Master the art of modern air combat.
Master the art of modern air combat.
Master the art of modern air combat. Fly high performance fighter jets in intense dogfights with realistic flight and weapon physics.
FlightCombatVR
Played by
25. Concerto on White: Cajon Story
Rhythm + Rich Story & Characters.
Rhythm + Rich Story & Characters.
Rhythm + Rich Story & Characters. You play as a new student in Concordia Academy of Music, facing a crisis on your first day joining the Cajon Club.
Comic BookMusicRhythm
Played by
26. Villainy
A game of cooperation and betrayal.
A game of cooperation and betrayal. Gather your party of 4-10 players, but trust no one.
A game of cooperation and betrayal. Gather your party of 4-10 players, but trust no one. Heroes and Villains plot against each other in quick, highly intense matches.
Social DeductionFantasyPixel Graphics
Played by
27. Ultimate Sheep Raccoon
Ultimate Sheep Raccoon is a bike-racing party game where you and your…
Ultimate Sheep Raccoon is a bike-racing party game where you and your friends build the…
Ultimate Sheep Raccoon is a bike-racing party game where you and your friends build the course together.
RacingLocal MultiplayerParty Game
Played by
28. Wirm
Take a worm on a tiny adventure through this delightfully wiggly…
Take a worm on a tiny adventure through this delightfully wiggly physics platformer :)
Take a worm on a tiny adventure through this delightfully wiggly physics platformer :)
Puzzle PlatformerColorful2D Platformer
Played by
29. Girl Frame
A sci-fi Vampire Survivors-like shooter.
A sci-fi Vampire Survivors-like shooter. Control mecha girls to fight terrifying bug swarms.
A sci-fi Vampire Survivors-like shooter. Control mecha girls to fight terrifying bug swarms. 40+ unique weapons & hundreds of passive skills for diverse Builds.
Female ProtagonistSpaceSci Fi
Played by
30. Varthos - Heir to the Throne
Varthos calls you to his side.
Varthos calls you to his side.
Varthos calls you to his side. Fight hordes of monsters and undead creatures in this captivating action RPG, who have only one goal: to kill you.
Hack and SlashAction RPGRoguelite
Played by

1. Rhythm Doctor

2. No One Survived

3. MARVEL Cosmic Invasion

4. PIONER

5. Bits & Bops

6. Yakuza 0 Director's Cut

7. Cloudheim

8. DON'T SCREAM TOGETHER

9. Raiders of Blackveil

10. KEEP GAMBLING

11. Ukrainian Fight Drone Simulator (UFDS) - FPV drone simulator

12. Blood: Refreshed Supply™

13. Kingdom of Night

14. LET IT DIE: INFERNO

15. Army Troop

16. Head's Adventures:chibichibi

17. Survive the Nights

18. Pure Badminton

19. Backrooms Media

20. Guild Wars® Reforged

21. PancitoMerge

22. Deadly Delivery

23. Dreadline: Net Quota

24. Virtual Fighter Maneuvers

25. Concerto on White: Cajon Story

26. Villainy

27. Ultimate Sheep Raccoon

28. Wirm

29. Girl Frame

30. Varthos - Heir to the Throne