Free games like Idle Geometry Defense
Below are 8 free-to-play Steam games similar to Idle Geometry Defense, 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 Idle Geometry Defense page.
Ranked picks
- 1
Magic Archery
Free-to-play alternative to Idle Geometry Defense — no purchase or trial window. Shares Indie and Simulation with Idle Geometry Defense.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 2
Control, I'm Not Coming Back
Free-to-play alternative to Idle Geometry Defense — no purchase or trial window. Shares Indie with Idle Geometry Defense.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
- 3
OnlyCans: Thirst Date
Free-to-play alternative to Idle Geometry Defense — no purchase or trial window. Shares Indie and Simulation with Idle Geometry Defense.
Feel The Fizz Inside You™ with the brand new Shize™ Collection!
- 4
Aircar
Free-to-play alternative to Idle Geometry Defense — no purchase or trial window. Shares Indie with Idle Geometry Defense.
A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.
- 5
Outpath: First Journey
Free-to-play alternative to Idle Geometry Defense — no purchase or trial window. Shares Indie with Idle Geometry Defense.
Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
- 6
The Riftbreaker: Prologue
Free-to-play alternative to Idle Geometry Defense — no purchase or trial window. Shares Strategy and Indie with Idle Geometry Defense.
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.
- 7
DFHack - Dwarf Fortress Modding Engine
Free-to-play alternative to Idle Geometry Defense — no purchase or trial window. Shares Strategy and Simulation with Idle Geometry Defense.
Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.
- 8
SCP – Containment Breach
Free-to-play alternative to Idle Geometry Defense — no purchase or trial window. Shares Indie with Idle Geometry Defense.
A procedural first-person horror adventure. You are on your own after something goes terribly wrong in this top-secret containment facility. Collect items to aid in your escape and try to uncover the truth, as horror lurks behind every door. Can you make it out alive?