Explore, fight, and SMUSH in this hand-drawn roguelite first person adventure!

Descend a magical bunker filled with wild biomes, master magical tools, manage your fear gauge, overcome hazards, combat spooky enemies, and cause co-op chaos.

Battle fear-fueled monsters, SMUSH everyday junk into magical weapons, master evolving tools, complete tasks from a cantankerous spirit cat, and survive the chaos alone or with your friends using proximity voice chat.

Key Features

• Magical tools with mods: Each character wields a powerful magical tool that defines their playstyle. Master your tool in each run for a powerful boost, and fuse curious mods into them to add new gameplay and playstyles.
• Explore an ever-changing bunker: Twisted by dark magic, the bunker shifts with every new run. Beginning with a familiar office and home environment, you will descend into wilder areas like the underground garden and eventually reach the dark magic nexus.
• Face your fears: Battle the mischievous fearmongers, enemies born from your own dark side, and bosses that grow more dangerous the deeper you go.
• Improvised gameplay collides with co-op chaos: Break and fix bunker systems like power and lighting, use elemental magic to electrify water or burn wooden obstacles, and use your items and tools to overcome unpredictable hazards and defeat the enemies which lurk in the shadows.
• SMUSH everything: Combine everyday junk and bizarre food items including, cell phone batteries, hairspray cans, and frogspawn sandwiches into wild elemental weapons and potions. Experiment to adapt and survive.
• Spooky-cozy: Take a break between runs in the Den, the cozy basement at the top of the bunker. Upgrade your character and tools, and learn more about the spooky history of the manor that you're trapped beneath, and those who once lived there… and those who might still be there…
• Co-op craziness: Play solo or with up to 4 players in drop-in/drop-out online co-op. Proximity voice chat keeps things immersive... or hilariously loud.
• Fearful consequences: Spooky events will raise your fear gauge - keep it under control or run the risk of triggering strange hallucinations, or even worse - spawning the creatures you thought you had forgotten.
• Cat quests: Meet McClane, a thousand year old spirit cat who was there at the start of all this mess. Perform unusual tasks for this cantankerous cat, and he’ll help you uncover the deepest secrets of the bunker.

UnderMire is coming to PC (Steam) in 2026