MidBoss
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About MidBoss
MidBoss is a turn-based, procedurally generated death labyrinth. You play as an imp, the dungeon’s weakest monster, and descend with your sidekick Mid to defeat the final boss and take his place. Kill enemies and possess their bodies to gain their abilities. The game is designed to be approachable for newcomers to traditional roguelikes while offering the depth and complexity expected by experienced players.
Possess your enemies
Possessing an enemy gives you its strengths and skills. You can discover and learn over 60 unique abilities. The dungeon also contains traps, unidentified and cursed items, and crates, chests and other containers to loot. A royal chest spawns on every floor.
Choose your mode
The game offers three modes with different life limits and rules:
- Hardcore: one life.
- 1UP: five lives.
- Narrative: infinite lives and buffs to help you explore the game.
Custom Games let you set up a run to your preferences. Potions are randomized each game, though this feature is optional.
Record each run
Shareable death cards document your run and how it ended. You can load a card to view its stats or replay using the same seed and settings, and customize cards with unlockable themes. You can also spend death cards to begin your next run with items you had when you died.
Beating the game earns a special card that unlocks a new game+ mode. In it, you can start over with your items, abilities or both.
Additional features
The dynamic music system raises the musical excitement when enemies are nearby. You can unlock 12 retro mode filters, and the game also features Cratefish. Mouse and keyboard controls are supported, with the option to use either or both.
Frequently asked questions
The best price for MidBoss is $14.99 at Steam. 2 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and MidBoss stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for MidBoss are: Windows XP, 1 GB RAM, 300 MB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. MidBoss is a single-player game.
Mostly, yes. Valve rates MidBoss as Playable on the Steam Deck: it runs, but may need some manual setup.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











