Similarity
Games like Underspace
Flight, Futuristic, Space, Third Person, Space Sim, Arcade, Sandbox, Exploration, Lovecraftian, 6DOF
X4: Foundations
Action, Simulation, Strategy
SpaceEngine
Casual, Indie, Simulation, Early Access
No Man's Sky
Action, Adventure
RuneScape: Dragonwilds
Action, Adventure, RPG, Early Access
Enshrouded
Action, Adventure, Indie, RPG
Starfield
RPG
Approximately Up
Adventure, Indie, Simulation
Grounded 2
Action, Adventure, Early Access
Valheim
Action, Adventure, Indie, RPG
Sandustry
Simulation, Strategy, Early Access
Elite Dangerous
Action, Adventure, Massively Multiplayer, RPG
The Isle
Action, Adventure, Indie, Massively Multiplayer
Breathedge 2
Action, RPG, Simulation, Early Access
EVERSPACE™ 2
Action, Adventure, RPG, Simulation
Dyson Sphere Program
Indie, Simulation, Strategy, Early Access
Mount & Blade II: Bannerlord
Action, Indie, RPG, Simulation