Single-player games like Planetoid Pioneers Online
Below are 9 single-player Steam games similar to Planetoid Pioneers Online, 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 Planetoid Pioneers Online page.
Ranked picks
- 1

Planetoid Pioneers
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Action and Indie with Planetoid Pioneers Online.
Explore deep circular worlds in this Physicsvania with couch Co-Op combat, crafting, and ridiculous physics fails! Also bring your own game ideas to life with the powerful engine and integrated game development tools. Each Planetoid is a whole separate game mode that you can fully edit and easily share!
- 2

GRAL
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Action and Sports with Planetoid Pioneers Online.
GRAL is a futuristic racing game with combat elements, a tribute to the 90s games such as Megarace, POD, DethKarz. Rides fast racing cars that spin 600Mph on articulated tracks with shortcuts, jumps, parabolic and death rides!
- 3

Racing: Storm Chase
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Sports and Indie with Planetoid Pioneers Online.
This is a car racing as the core of the game, driving different cars, experience unlimited driving fun. Challenge the thrilling track, but also with friends to play two, experience the thrilling chase game!
- 4

The Karters 2: Turbo Charged
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Action and Sports with Planetoid Pioneers Online.
Get ready for the ultimate kart racing experience on Steam & Steam Deck! Inspired by Crash Team Racing, built with its own identity, advanced gameplay systems, tons of new features and massive modding support for endless replayability!
- 5

GRITS Racing
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Action and Sports with Planetoid Pioneers Online.
Even the skid marks are better. Pancake-batter party game that is an all-out racecar simulator... and mostly silly. Drive tiny cars that perform and crash better than any other corny 2D car game. Make each “race” your own with a selection of playground rules. Go for the win or go for the chaos.
- 6

Golfing in Aether
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Sports and Indie with Planetoid Pioneers Online.
Minigolf for up to 16 players online, or 4 players via split screen. Features randomized course layout allowing you to experience something different every time you play.
- 7

BIKEOUT
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Action and Sports with Planetoid Pioneers Online.
Take a bike and go on extreme tracks BIKEOUT! Here you have to grow from a noob to a freeride legend.
- 8

Bunny Hill
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Action and Sports with Planetoid Pioneers Online.
Carve the slopes of the Bunny Hill on your skis in this fast paced physics racing game. With up to 8 player Online Multiplayer, dodge bushes and tag flags on randomly generated maps to reach infinite scaling speed with your friends.
- 9

Cortex Command
Single-player alternative to Planetoid Pioneers Online — playable solo, no multiplayer required. Shares Action and Indie with Planetoid Pioneers Online.
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!