Free games like Interstellar Space: Genesis
Below are 8 free-to-play Steam games similar to Interstellar Space: Genesis, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Interstellar Space: Genesis page.
Ranked picks
- 1
Grimm's Hollow
Free-to-play alternative to Interstellar Space: Genesis — no purchase or trial window. Shares Indie with Interstellar Space: Genesis.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
- 2
The Lab
Free-to-play alternative to Interstellar Space: Genesis — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 3
Landfall Archives
Free-to-play alternative to Interstellar Space: Genesis — no purchase or trial window. Shares Strategy and Indie with Interstellar Space: Genesis.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 4
Moonring
Free-to-play alternative to Interstellar Space: Genesis — no purchase or trial window.
A dark-fantasy, turn-based, retro-fusion of classic turn-based RPGs and roguelikes, all presented with a unique neon aesthetic.
- 5
Die in the Dungeon: Origins
Free-to-play alternative to Interstellar Space: Genesis — no purchase or trial window. Shares Strategy and Indie with Interstellar Space: Genesis.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!
- 6
Epic Battle Fantasy 3
Free-to-play alternative to Interstellar Space: Genesis — no purchase or trial window. Shares Indie with Interstellar Space: Genesis.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
- 7
The Riftbreaker: Prologue
Free-to-play alternative to Interstellar Space: Genesis — no purchase or trial window. Shares Strategy and Indie with Interstellar Space: Genesis.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 8
Jigsaw Puzzle Dreams
Free-to-play alternative to Interstellar Space: Genesis — no purchase or trial window. Shares Indie with Interstellar Space: Genesis.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!