Steam

Masters of Mayhem

Also known as Masters of Mayhem, masters of mayhem, masters-of-mayhem

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

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Last update

20 Jun 2026

Latest update

StorePublished 10d ago

But Wait, There's More (Chances to Win Free Swag)

Up For Grabs: A Logitech gaming bundle ($550+ value) 10x $50 Steam cards A steam deck (in-game only) PLUS an extra $50 Steam card to someone who RTs and follows us on X/Twitter! Be sure to play the demo and progress thr…

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Update history

Browse past updates and patch notes for this game.

11 updates

June 2026
Play during pre-launch, win free rewards! We're adding 5 new levels to the FREE Battle Pass, bringing the maximum level up to Level 25! Here's all the new stuff you can earn: Level 21: 1 Ballot Level 22: 2 Ballots Level…Patch notes13d ago
Masters of Mayhem is part of Steam Next Fest! Play free all week, June 15th through the 22nd. All players will receive access to a time-limited, FREE battle pass with the chance to unlock 3 emotes, 8 skins (plus a few s…Patch notes14d ago
Thank you to everyone who joined us last week🫶 Open Beta Highlight Stats: 4000+ completed tasks 1000+ imposter kills 800+ innocents protected 140+ monster mayhems 2000+ wishlist adds We also loved getting to see so man…11 changesCompatibilityPatch notes20d ago
It’s finally. TIME. Open Beta is LIVE (but only for a limited time!!!) HOW TO JOIN? All you need to do is head on over to our Steam page and install and play! WHEN ARE THE SERVERS OPEN? 9am PDT Friday, June 5th - 5pm PD…26 changesCompatibilityServerStore24d ago
Open Beta Weekend June 5th and 6th, ShackNews Showcase, The Mix and MORE!It’s a good week to cause some mayhem ːsteamhappyː This week is Summer Game Fest, and we’ve got lots of big things happening to celebrate! Here’s what to expect and how you can be involved. TODAY, JUNE 3RD - SHACKNEWS S…Event6 changesServerCompatibility26d ago
May 2026
We're in the Shacknews Indie Showcase!Fresh off our appearance at Endix and with our open beta (June 5th and 6th) right around the corner, we couldn't be more hyped to share the screen with an incredible line-up of indie devs. Watch the announcement trailer…Announcement1 changeCompatibility27 May 2026
Steam news post: Endix is live - and we're there!The Endix Showcase is open, and we're on the floor through May 23–24. Endix is a free digital expo you actually walk around in. Download the launcher on Steam, make an avatar, and explore weird and wonderful booths buil…Announcement23 May 2026
We're Heading to Endix, Our First Ever Expo!We're super excited to be taking part in the upcoming Endix Expo, a free one-of-a-kind virtual gaming event! We built a Masters of Mayhem booth specifically for Endix, and we've stashed something special in there. You'l…Event1 change15 May 2026
April 2026
Follow our new social channels!Social glow‑up complete ✨ The Masters of Mayhem TikTok, Instagram, and YouTube have been relaunched with better handles, and a new content strategy will be dropping gradually over the coming weeks. Follow along as it al…Announcement1 changeGameplay22 Apr 2026
Huge thank you to everyone who jumped in, streamed the game, watched along, clipped the chaos, and filled our Discord with feedback. Your notes have already helped us tune systems, smooth edges, and plan out what’s comi…3 changesMapsCompatibilityStore14 Apr 2026

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But Wait, There's More (Chances to Win Free Swag)

June 2026

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April 2026