Free games like 3D PUZZLE - Underground
Below are 8 free-to-play Steam games similar to 3D PUZZLE - Underground, 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 3D PUZZLE - Underground page.
Ranked picks
- 1

NGU IDLE
Free-to-play alternative to 3D PUZZLE - Underground — no purchase or trial window. Shares Indie and Adventure with 3D PUZZLE - Underground.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 2
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
UNBEATABLE [white label]
Free-to-play alternative to 3D PUZZLE - Underground — no purchase or trial window. Shares Action and Indie with 3D PUZZLE - Underground.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 3

Magic Archery
Free-to-play alternative to 3D PUZZLE - Underground — no purchase or trial window. Shares Indie and Simulation with 3D PUZZLE - Underground.
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.
- 4

Eternal Senia
Free-to-play alternative to 3D PUZZLE - Underground — no purchase or trial window. Shares Action and Indie with 3D PUZZLE - Underground.
Thoughts and expectations ARPG
- 5

The Lab
Free-to-play alternative to 3D PUZZLE - Underground — 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!
- 6

Outpath: First Journey
Free-to-play alternative to 3D PUZZLE - Underground — no purchase or trial window. Shares Indie and Adventure with 3D PUZZLE - Underground.
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!
- 7

Die in the Dungeon: Origins
Free-to-play alternative to 3D PUZZLE - Underground — no purchase or trial window. Shares Strategy and Indie with 3D PUZZLE - Underground.
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!
- 8

Epic Battle Fantasy 3
Free-to-play alternative to 3D PUZZLE - Underground — no purchase or trial window. Shares Indie and Adventure with 3D PUZZLE - Underground.
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!