Single-player games like UnderDeep
Below are 8 single-player Steam games similar to UnderDeep, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like UnderDeep page.
Ranked picks
- 1
Lord of Idle
Single-player alternative to UnderDeep — playable solo, no multiplayer required. Shares Strategy and RPG with UnderDeep.
An Idle ARPG inspired by hack and slash classics. Level up your Combat, Mining, and Crafting skills. Compete in monthly Seasons with secure leaderboards, or play on Legacy servers. Hunt unique loot, socialize in multiplayer boss rooms, and fuel your crafting with an isometric factory.
- 2
Idle Misadventures
Single-player alternative to UnderDeep — playable solo, no multiplayer required. Shares Strategy and Adventure with UnderDeep.
Craft a party of RPG heroes and send them adventuring for levels and loot. Play actively to speed their progress, or leave them to grind on their own. Battle through beautiful and deadly biomes, advancing abilities and gear, then reset your progress to unlock powerful new mechanics and meta bonuses!
- 3
Bills Must Be Paid
Single-player alternative to UnderDeep — playable solo, no multiplayer required. Shares Strategy with UnderDeep.
You're broke, smash piggy banks, bills must be paid. A short active incremental game. Get money, upgrade, and get debt free!
- 4
Mushi
Single-player alternative to UnderDeep — playable solo, no multiplayer required. Shares RPG and Casual with UnderDeep.
Mushi is a single-player idle/incremental RPG. Level up, gather loot and explore a rich fantasy world.
- 5
Desktop Legends
Single-player alternative to UnderDeep — playable solo, no multiplayer required. Shares RPG and Casual with UnderDeep.
Desktop Legends is an idle desktop action game featuring fantasy character progression, incremental resource management, and visual customization. Help your hero take their legendary stand against the forces of darkness right on your desktop!
- 6
Abracademia
Single-player alternative to UnderDeep — playable solo, no multiplayer required. Shares Strategy and Adventure with UnderDeep.
Become a wizard, and a thumping good one! Abracademia is a cozy mage idle life-sim that lives on your screen and keeps you company while you work or play. Pick a coven, manage your daily routine, learn spells, make friends, embark on adventures, and pass exams on your way to graduation.
- 7
Aethyr Idle
Single-player alternative to UnderDeep — playable solo, no multiplayer required. Shares Strategy and Adventure with UnderDeep.
An idle RPG with the build depth of an MMO. Pick one of four classes, climb a talent tree into one of twelve specializations, and write the spell rotation your hero fights with. Then dig into crafting, elements, Mythic+ dungeons and an endless Abyss. It runs while you're away.
- 8
Clay Dojo : Desktop Idler
Single-player alternative to UnderDeep — playable solo, no multiplayer required. Shares Strategy and RPG with UnderDeep.
A desktop idle RPG where you collect creatures that train in your Dojo. Just queue enemies into the Dojo and watch your creatures fight, level up, evolve, and farm loot in idle battles - at the bottom of your screen. Build your team, equip them with items, then battle dungeon bosses for rarer loot.