Free games like Seas of Hydra
Below are 9 free-to-play Steam games similar to Seas of Hydra, 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 Seas of Hydra page.
Ranked picks
- 1
Bongo Cat
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Indie and Simulation with Seas of Hydra.
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?
- 2
The Murder of Sonic the Hedgehog
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Indie and Simulation with Seas of Hydra.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 3
missed messages.
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Indie and Simulation with Seas of Hydra.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 4
NGU IDLE
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Indie and Simulation with Seas of Hydra.
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!
- 5
Awaria
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Indie with Seas of Hydra.
Awaria is a short game about working in haunted maintenance tunnels.
- 6
Travellin Cats in Paris
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Indie and Casual with Seas of Hydra.
Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!
- 7
Virtual Cottage
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Indie and Simulation with Seas of Hydra.
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.
- 8
Steam Engine Simulator
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Simulation with Seas of Hydra.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 9
Aquarist - My First Job
Free-to-play alternative to Seas of Hydra — no purchase or trial window. Shares Indie and Simulation with Seas of Hydra.
Get your first job in the Aquarist! Learn how to set up aquarium, decorate it and take care of your fish!