Free games like 第四空间Fourth Space
Below are 8 free-to-play Steam games similar to 第四空间Fourth Space, 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 第四空间Fourth Space page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to 第四空间Fourth Space — no purchase or trial window. Shares Indie and Casual with 第四空间Fourth Space.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Bongo Cat
Free-to-play alternative to 第四空间Fourth Space — no purchase or trial window. Shares Indie and Simulation with 第四空间Fourth Space.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 3
The Murder of Sonic the Hedgehog
Free-to-play alternative to 第四空间Fourth Space — no purchase or trial window. Shares Indie and Simulation with 第四空间Fourth Space.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 4
missed messages.
Free-to-play alternative to 第四空间Fourth Space — no purchase or trial window. Shares Indie and Simulation with 第四空间Fourth Space.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 5
NGU IDLE
Free-to-play alternative to 第四空间Fourth Space — no purchase or trial window. Shares Indie and Simulation with 第四空间Fourth Space.
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!
- 6
Virtual Cottage
Free-to-play alternative to 第四空间Fourth Space — no purchase or trial window. Shares Indie and Simulation with 第四空间Fourth Space.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.
- 7
Magic Archery
Free-to-play alternative to 第四空间Fourth Space — no purchase or trial window. Shares Indie and Simulation with 第四空间Fourth Space.
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.
- 8
Eternal Senia
Free-to-play alternative to 第四空间Fourth Space — no purchase or trial window. Shares Indie with 第四空间Fourth Space.
Thoughts and expectations ARPG