Monster in the Mansion Release Date, Platforms & How to Play

Monster in the Mansion is an asymmetrical multiplayer horror game from Ubermonster Productions, launching in Early Access on Roblox in September 2026. This page tracks the release status and explains how to play once it is live.

Release Status

• Window: September 2026 (no exact day announced).
• Model: Early Access — expect a feature-incomplete, frequently patched build.
• Developer: Ubermonster Productions.
• Official site: monsterinthemansion.com.

For ongoing changes, check Latest Updates.

Platforms

Roblox runs on PC, mobile, console, and tablet through the Roblox app. Monster in the Mansion follows the standard Roblox cross-play model, so you can queue with friends on different devices. Performance tips in System Requirements.

How to Play

1. Open the Roblox app and search Monster in the Mansion (or use the official site link).
2. Join a round — eight players enter the mansion.
3. If possessed, you are the monster; hunt the others.
4. If a survivor, collect hidden books, craft the antidote, and cure the monster.
5. Communicate with push-to-talk and follow Communication Tips.

First-Session Advice

Read the Beginner Guide and How to Cure the Monster before queuing. The cure loop is unlike other horror games.

Frequently Asked Questions

What day in September?

Not announced. Watch the official site and developer posts.

Is it cross-play?

Roblox titles are cross-play by default; expect the same here.

Do I need Robux to play?

Unconfirmed for Early Access; Roblox experiences are usually free to join.

Related

• Early Access Guide
• System Requirements & Performance
• FAQ