Single-player games like Project DevourSlime
Below are 8 single-player Steam games similar to Project DevourSlime, 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 Project DevourSlime page.
Ranked picks
- 1

Project Confluence
Single-player alternative to Project DevourSlime — playable solo, no multiplayer required. Shares Action and Indie with Project DevourSlime.
Jump, jetpack, wall run and grapple your way through 3D environments in a race against time. Swap between parallel worlds to add or remove platforms in your way to reach the goal and complete your simulation of Project Confluence.
- 2

UP
Single-player alternative to Project DevourSlime — playable solo, no multiplayer required. Shares Action and Indie with Project DevourSlime.
Test your reflexes in a vertically designed world. Master constantly changing mechanics and traps as you climb your way to the top.
- 3

Crop Crusaders
Single-player alternative to Project DevourSlime — playable solo, no multiplayer required. Shares Action and Indie with Project DevourSlime.
Play as a sentient Vegetable who can transform into 6 different veggies with unique abilities. Escape the tormenting lab where you were created and are now being held captive.
- 4

DualVerse86
Single-player alternative to Project DevourSlime — playable solo, no multiplayer required. Shares Action and Indie with Project DevourSlime.
DualVerse86 is a fast-paced 2D precision platformer where mastering switching between two worlds is the only way to survive deadly traps and race against the clock.
- 5

Dubio
Single-player alternative to Project DevourSlime — playable solo, no multiplayer required. Shares Action and Indie with Project DevourSlime.
Dubio is a game of tiny puzzle parcours. It offers a challenging mix of puzzle-solving and momentum control. Jump and bounce through 100 levels that test your wits and sense of timing. Or are there more?
- 6

Warpswap
Single-player alternative to Project DevourSlime — playable solo, no multiplayer required. Shares Indie with Project DevourSlime.
Teleport, swap, and solve puzzles! Use your unique ability to swap places with blocks and uncover the secrets of a lost planet.
- 7

Turnip Mountain
Single-player alternative to Project DevourSlime — playable solo, no multiplayer required. Shares Action and Indie with Project DevourSlime.
Turnip Mountain is a physics-based climbing adventure in which you control each hand independently using two mice or two analogue sticks. Grab, swing and launch yourself to the summit your own way.
- 8

Bruce's Jetpack
Single-player alternative to Project DevourSlime — playable solo, no multiplayer required. Shares Indie with Project DevourSlime.
A pure platformer. A humming jetpack. A lonely man.