Shroom Siege

Battle for control of a fungus-infested Kingdom in 4v4 strategic multiplayer matches. Possess specialized insects, working together to reach a Shogun, Shrine, or achieve a Poop Victory (yes, you read that right .. Poop Victory). Shroom Siege is for both new and experienced fighters!

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Just Updated

🎮 Shroom Siege Demo Now Supports Cross-Play! 🍄⚔️

Big news, warriors of the mushroom kingdom! 🌟

The Shroom Siege demo has officially launched on Xbox as part of the Xbox Indie Selects Demo Fest 2025, and we’re thrilled to announce that it now features full cross-play support with the Steam demo!

That means whether you’re playing on Xbox or PC (Steam), you can now team up with your friends or battle against rivals across platforms in epic 4v4 matches.

✨ What’s New:

🔗 Cross-Play Multiplayer – Steam + Xbox players united
⚔️ Bigger Community – More warriors, more chaos, more fun
🚀 Jump in Now – The demo is live and waiting for you

This is just the beginning—your feedback during this demo period will help us polish and balance the battlefield before the full launch.

So grab your sword, rally your squad, and get ready to siege together, anywhere!

About the Game

Manipulate a swarm of insect minions in fast-paced, team-based battles. Coordinate with fellow fungi to outwit opponents and fight for a taste of victory! Inspired by arcade hits like Killer Queen, Shroom Siege offers easy-to-learn gameplay mechanics and Japanese-inspired ink-wash designs, providing depth and complexity for seasoned shrooms.

Join the fight from wherever you are! Whether you’re sharing a couch with future rivals or hopping into a match from across the world, Shroom Siege remains dynamic and tailored to each unique gaming setup.

Bring the entire community together with cross-play across Steam and Nintendo Switch platforms. It’s always a good time for a siege, regardless of location, platform, or setup!

Taking cues from the arcade hit, Killer Queen, Shroom Siege introduces its unique gameplay mechanics. It's a game that's easy to pick up, yet offers depth and complexity for those who crave a strategic challenge.

Claim victory in one of three ways:

Shrine Victory: Deliver spores to all shrines across the map and maintain control of every shrine to succeed!
Shogun Victory: Possess a Shogun warrior and defeat the opponent’s Shogun thrice!
Poop…Victory?: Push a giant dung ball from one side of the map to the other to claim this satisfying victory!

An insect minion must be possessed and controlled by a shroom at all times, adding an additional layer of complexity to each battle.

Dive into fair and engaging battles with Shroom Siege’s balanced matchmaking system, which pairs teams of similar skill levels. Both fresh and seasoned aspiring fungi can find matches challenging and fun for both parties.

Designed with controllers in mind, Shroom Siege is playable via keyboard and mouse, as well as controllers of all types. Find the winning playstyle with a simple control scheme accessible for all players!