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

The True Slime King
Single-player alternative to Afterthought — playable solo, no multiplayer required. Shares Action and Indie with Afterthought.
An evil presence has emerged in the kingdom… but is it you or is it them? Play as a fallen king and somewhat immortal slime to conquer an onslaught of obstacles and puzzles in a quest to reclaim your fallen kingdoms. Smooth and simple controls for the ultimate experience in 2D precision platforming!
- 2

Enso
Single-player alternative to Afterthought — playable solo, no multiplayer required. Shares Action and Indie with Afterthought.
Slingshot your way to the top of a beautiful minimalist landscape. A deceptively tricky platformer where a single slip could lead to a long fall back down!
- 3

Speedonauts
Single-player alternative to Afterthought — playable solo, no multiplayer required. Shares Action with Afterthought.
Compete against the galaxy in this fast-paced speedrunning game. Create and share levels. Break records. Be the best.
- 4

Aerial Platforms
Single-player alternative to Afterthought — playable solo, no multiplayer required. Shares Action with Afterthought.
Embark on an exhilarating adventure through dynamic levels, where speed and precision are supreme. Leap across diverse platforms, overcome challenging obstacles, and reach the goal before you run out of time.
- 5

Rhythm Quest
Single-player alternative to Afterthought — playable solo, no multiplayer required. Shares Action and Indie with Afterthought.
Rhythm Quest is a 2-button rhythm platformer game. Jump, attack, and fly to the beat through upbeat songs that are hand-crafted to highlight complex rhythms!
- 6

Midnight of Despair
Single-player alternative to Afterthought — playable solo, no multiplayer required. Shares Action and Indie with Afterthought.
Get ready for an endless challenge as you climb to the top. Speed is key to setting records, but staying calm is just as important. The journey ahead won't be easy, so brace yourself for a test of skill and determination!
- 7

Air Bounce - The Jump 'n' Run Challenge
Single-player alternative to Afterthought — playable solo, no multiplayer required. Shares Action and Indie with Afterthought.
Jump or Die! Air Bounce - The Jump 'n' Run Challenge is a fast-paced crazy difficult sometimes rage-inducing 3d first-person platformer. Are you ready for the challenge?
- 8

Crazy Dude
Single-player alternative to Afterthought — playable solo, no multiplayer required. Shares Action and Indie with Afterthought.
A hardcore multiplayer 3D survival platformer. You only have one shot to reach the end. The character is always running forward - there’s no stopping him. Simple controls: just jump and crouch to avoid traps. Play community-made worlds, compete with friends, and create your own maps in the editor!