Games like Planetes
Games like Planetes include Kenshi, Space Engineers, The Scroll of Taiwu : Beyond The Dome, Mount & Blade II: Bannerlord, and Dyson Sphere Program. We matched them by the tags players give Planetes on Steam (Indie, Early Access, Action, Casual, and RPG): closest matches first, and among equally close ones the better-known games.
Kenshi
Shared: RPG · Sandbox · Open World
Space Engineers
Shared: Space · Building · Sandbox
The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Indie · Strategy
Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Action
Dyson Sphere Program
Shared: Space · Base Building · Building
Space Pirates And Zombies 2
Shared: Indie · Action · Strategy
ARK: Survival Ascended
Shared: Base Building · Action · Open World
Last Oasis
Shared: Action · RPG · Indie
Once Human
Shared: Action · Open World · Building
Rust
Shared: Building · Open World · Action
Oxygen Not Included
Shared: Base Building · Building · Indie
ARK: Survival Evolved
Shared: Action · Open World · Building
Touhou Big Big Battle
Shared: Early Access · Indie · Strategy
Freeman: Guerrilla Warfare
Shared: Action · Strategy · RPG
Between the Stars
Shared: Action · Indie · RPG
7 Days to Die
Shared: Base Building · Open World · Indie
SPORE™
Shared: Casual · Sandbox · Space
The Infected
Shared: Early Access · Action · Base Building
Mount & Blade: Warband
Shared: RPG · Strategy · Action
Reassembly
Shared: Indie · Action · Space
Factorio
Shared: Base Building · Strategy · Sandbox
Palworld
Shared: Indie · Open World · Survival
Starbound
Shared: Space · Sandbox · Indie
EmergeNYC
Shared: Early Access · Action · Indie