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Masters of Mayhem

Masters of Mayhem

A vibrant co-op social deduction adventure with roguelike twists, wild abilities, monsters, and nonstop mayhem.

Released Sep 1, 2026 Developer Super Studios Platforms Windows · Mac Social DeductionParty GameOnline Co-OpTeam-BasedCasual
View on Steam ↗ Free (US · as of 2026-09-28)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.

84.0%positive75 reviews
Recommended · 18 found this helpful

“I know it says I've only put 20 hours into this game, but I also put *300* hours into the playtest. It's my main game on stream. I love this game. It's fun, chaotic, and energetic. I love teaching new players. The devs are responsive to bugs and issues and they're pretty speedy…”

— a player, Steam review · 132 hrs played
Recommended · 11 found this helpful

“Running smoothly on my M1 Max Macbook. Never had so much fun spectating others, neat. Last game I played was Left 4 Dead 2 on steam. This made me come back”

— a player, Steam review · 6 hrs played
Recommended · 6 found this helpful

“This game must be doing something right considering I don't really like amogus. But this game is awesome.”

— a player, Steam review · 76 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players, self-collected from the Steam API since Aug 2026.

88all-time peak
0 2 5 3 avg · Sep 2026

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-16.

49achievements
3.0%median completion
0.4%rarest: Lost Sprouts
31.0% of players 28.5% of players 27.7% of players 24.7% of players 23.1% of players 22.1% of players 19.9% of players 18.1% of players 18.0% of players 15.0% of players 12.5% of players 12.0% of players 11.4% of players 9.4% of players 9.0% of players 8.6% of players 8.2% of players 6.7% of players 6.4% of players 5.8% of players 5.7% of players 4.2% of players 3.7% of players 3.5% of players 3.0% of players 2.8% of players 2.5% of players 2.5% of players 2.4% of players 2.3% of players 2.2% of players 1.9% of players 1.9% of players 1.7% of players 1.5% of players 1.5% of players 1.4% of players 1.3% of players 1.1% of players 1.1% of players 1.1% of players 1.0% of players 1.0% of players 1.0% of players 0.7% of players 0.7% of players 0.7% of players 0.7% of players 0.4% of players 31.0% 0% most earned rarest
Almost everyone has
31.0%Small Fry — Shrink yourself using the Shrink ability
28.5%It’s Magic — Turn into a prop using the Phantom Blend Ability
27.7%Who did it? — Report a body
Rarest badges of honor
0.4%Lost Sprouts — Find the Green Cactus remains on Arctic, Temple, and Sewers.
0.7%Thirst Aid — Drop Blue Cactus remains into the secret pond in Temple or the Goo in the Sewers spawn area.
0.7%Prickularity — Use a black hole crystal on a Black Cactus.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Oct 19, 2026
Halloween Patch Notes

Candy Hunt Event · October 19 – November 30 Candy is hidden across Arctic, Temple & Sewers . Hold Interact to grab it. First come, first served! Ghosts get their own candy, so the hunt continues after

Oct 19, 2026
The Candy Hunt is on until November 30!

Get candy. Get betrayed. Keep farming. The Candy Hunt is on until November 30. Hunt down candy across Arctic, Temple & Sewers and collect 100 pieces to unlock the Wick ghost skin. Ghosts get their own

Sep 30, 2026
Cactus Has Arrived: New Achievements, Fixes & More

Cactus has taken root in Masters of Mayhem! NEW CHARACTER & ACHIEVEMENTS Added the Cactus character with six unlockable colour variants! Complete the following achievements to unlock each Cactus skin:

Sep 16, 2026
GAME UPDATE: LOBBY VOTING, VOTE KICK AND MORE

A new update has landed! NEW FEATURES • Lobby Voting: Vote on the next map, anonymous voting and role reveals. • Vote Kick: Vote disruptive players out of the match. • Impostor Recruit: A rare perk av

Sep 01, 2026
Masters of Mayhem is available to play NOW!

We're beyond thrilled to announce that Masters of Mayhem is live and available to play in all its glory NOW AND FOREVER. We are officially live. The game is totally free to play, but if you want to su

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-28.

GenresAction, Casual
Player tagsSocial Deduction · Party Game · Online Co-Op · Team-Based · Casual · Roguelite · PvP · PvE · Multiplayer · Family Friendly · Action Roguelike · Strategy (Steam store community voting)
FeaturesMulti-player · PvP · Online PvP · Co-op · Online Co-op · Steam Achievements · Custom Volume Controls · #category_playable_at_your_own_pace
LanguagesEnglish
Achievements49
Official sitehttps://mastersofmayhemgame.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: WIndows 10/11 (64-bit) Processor: Ryzen 5 2600 | Intel Core i5-8400 Memory: 8 GB RAM Graphics: Radeon RX 570 | NVIDIA GeForce GTX 970 DirectX: Version 11 Network: Broadband Internet connection Storage: 20 GB available space