Single-player games like SPACEPLAN
Below are 15 single-player Steam games similar to SPACEPLAN, 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 SPACEPLAN page.
Ranked picks
- 1
To The Core
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Adventure with SPACEPLAN.
To The Core is an incremental game about extracting and using resources from planets to buy upgrades.
- 2
Antimatter Dimensions
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Casual with SPACEPLAN.
Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe!
- 3
Clicker Heroes 2
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Adventure with SPACEPLAN.
Clicker Heroes 2 is an endless incremental idle Action RPG. Embark on a never-ending journey to the top right of your screen.
- 4
Void Miner – Incremental Asteroids Roguelite
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Adventure with SPACEPLAN.
Blast. Collect. Upgrade. Repeat. Void Miner is a retro-inspired roguelite asteroid shooter where you pilot a space ship and manage an automated tower to destroy endless fields of chaos. Dodge, blast, and harvest your way through waves of asteroids in a fast-paced loop of destruction and progression.
- 5
Lazy Galaxy
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie with SPACEPLAN.
Lazy Galaxy is a mix between RTS and idle/clicker game. Lead an evil (albeit lazy) alien race to conquer the universe!
- 6
AdVenture Communist
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie with SPACEPLAN.
The world's greatest communism simulator!
- 7
Orb of Creation
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Casual with SPACEPLAN.
Orb of Creation is an active incremental-puzzle game in which you recreate the world with nothing but magic and ingenuity. Conjure resources, buy upgrades, and become an all-powerful wizard!
- 8
Cookie Clicker
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Casual with SPACEPLAN.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
- 9
Kittens Game
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Casual with SPACEPLAN.
Kittens Game is game where you manage a village of kittens as they acquire resources and unlock new technologies. Build the ultimate civilization and bring them to the space!
- 10
OMEGA SPACE
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie with SPACEPLAN.
Ω-SPACE - The last dimension you can reach
- 11
Trimps
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Casual with SPACEPLAN.
A text-based incremental idle game with a ridiculous amount of unique content. Automate old stuff as you unlock new stuff to keep things interesting for hours and hours, no spam clicking necessary! Trimps is everything you love about your favorite games, distilled to their purest form.
- 12
A Dark Room ®
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie with SPACEPLAN.
Critically acclaimed, minimalist text-based rpg. Come light the fire.
- 13
Mineral Defense
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Casual with SPACEPLAN.
Mineral Defense combines tower defense with roguelite elements and procedural generation. Build paths, unlock upgrades, and unleash powerful synergies to conquer evolving challenges in an ever-expanding world.
- 14
The Factory
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie and Casual with SPACEPLAN.
The Factory is a first-person, factory sim game with machine purchasing, upgrading, and building expansion. Use income from crafted products to buy and upgrade tools and buildings. Upgrade your factory layout to gain infinite wealth while trying not to lose money from damaging products.
- 15
Cranked
Single-player alternative to SPACEPLAN — playable solo, no multiplayer required. Shares Indie with SPACEPLAN.
Chase the top of the leaderboards in Cranked and experience the raw thrill of downhill mountain bike racing. It’s fast, responsive, and grounded -- we're chasing what it really feels like to ride. Easy to pick up, impossible to put down, and packed with virtually endless skill depth.