Single-player games like The Planetologist
Below are 8 single-player Steam games similar to The Planetologist, 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 The Planetologist page.
Ranked picks
- 1
ANIQUILATION
Single-player alternative to The Planetologist — playable solo, no multiplayer required. Shares Action with The Planetologist.
Twin Stick Shooter Multiplayer Action Game set in small planets that can be terraformed as you play! in which not only your shoots, but also the enemies and planet environment are your weapon!
- 2
Ultra Mega Planet Battles
Single-player alternative to The Planetologist — playable solo, no multiplayer required. Shares Action and Indie with The Planetologist.
Ultra Mega Planet Battles is an intense arcade-style, space-based, twin-stick shooter. Players can play by themselves, or with up to 3 friends local co-op or Steam Remote Play (total of 4 players). Select your character, select and modify your ship, then get shooting!
- 3
Airstrife: Assault of the Aviators
Single-player alternative to The Planetologist — playable solo, no multiplayer required. Shares Action and Indie with The Planetologist.
Use Aileron Rolling or Evading your enemies' attacks while having a realistic damage system. Use different planes with upgradable parts and numerous weapons you can mount to your planes to destroy your enemies. Fly solo or play with your friends and enjoy local coop. A modern re-invented classic.
- 4
Clive vs Hives 2
Single-player alternative to The Planetologist — playable solo, no multiplayer required. Shares Action and Indie with The Planetologist.
Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.
- 5
Spelp
Single-player alternative to The Planetologist — playable solo, no multiplayer required. Shares Action and Indie with The Planetologist.
The SPELP program needs YOU to annihilate thousands of aliens with a variety of weapons, members and unique capacities. Unlock characters and make up your own team to fit your playstyle.
- 6
X-Morph: Defense
Single-player alternative to The Planetologist — playable solo, no multiplayer required. Shares Action and Indie with The Planetologist.
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
- 7
ORE
Single-player alternative to The Planetologist — playable solo, no multiplayer required. Shares Action and Indie with The Planetologist.
ORE is a couch-cooperative twin stick shooter where you and up to three friends must fight through a handful of levels and navigate the planet's varied, alien surface to collect as much ORE as possible before the planet implodes. Defeat the planet’s corrupted Core Wurm, save the planet, and get rich before time runs out!
- 8
Solstice Chronicles: MIA
Single-player alternative to The Planetologist — playable solo, no multiplayer required. Shares Action with The Planetologist.
In this 2-player twin-stick shooter, use a friendly drone for a game-changing abilities. Survive waves, upgrade, and uncover the mystery in this cooperative, action-packed experience.