Single-player games like HypnoFish Inc.
Below are 12 single-player Steam games similar to HypnoFish Inc., ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like HypnoFish Inc. page.
Ranked picks
- 1
DAVE THE DIVER
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required. Shares Simulation with HypnoFish Inc..
DAVE THE DIVER is a casual, singleplayer adventure RPG featuring deep-sea exploration and fishing during the day and sushi restaurant management at night. Join Dave and his quirky friends as they seek to uncover the secrets of the mysterious Blue Hole.
- 2
Chillquarium
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required. Shares Simulation with HypnoFish Inc..
Chillquarium is a cozy and relaxing idle game. Buy fish and raise them in real time, then sell them to turn a profit! Customize your aquarium as you progress from a simple starter tank to your dream setup by filling your collection with rare exotic fish and ultra-rare color variants!
- 3
Joyquarium
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required. Shares Simulation with HypnoFish Inc..
Joyquarium is a relaxing casual fish-raising game. Buy various cute fry and sell them at a high price after they grow up. With the money you earn, you can purchase aquatic plants, driftwood, scenery stone, etc. to decorate your tank (you can freely adjust the color, size, and position).
- 4
Loddlenaut
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required.
Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!
- 5
Megaquarium
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required. Shares Simulation with HypnoFish Inc..
The public aquarium simulator. Design your displays, look after your fish, manage your staff and keep your guests happy! It's all in a day's work as the curator of your very own Megaquarium.
- 6
Zen Aquarium
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required. Shares Simulation with HypnoFish Inc..
Immerse yourself in the ultimate relaxing aquarium experience. Watch fish glide gracefully through a serene, ever-changing tank—no setup, no stress, just pure tranquility. Enjoy soothing visuals and ambient ASMR sounds as your aquarium comes to life effortlessly. Your peaceful escape awaits!
- 7
Isle of Jura
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required.
Take a fishing trip to Jura, a remote and beautiful island. Explore, meet the locals, and catch delicious fish!
- 8
Hokko Life
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required. Shares Simulation with HypnoFish Inc..
Hop off the train and into your new life in the village of Hokko! Take over the old workshop and get creative; use crafted materials and design everything in town! With complete creative freedom, what type of town will you build?
- 9
Kungfu Cowboy
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required.
Headshot, dash and dodge like a Kungfu Cowboy in this quirky, challenging run 'n' gun platformer with roguelike elements. Explore randomly generated levels, acquire strong "gunfu" abilities and stack synergizible upgrades for a powerful build. Team up with friends in PvE or battle each other in PvP!
- 10
Cowboy 3030
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required.
Step into the Wild West future of Cowboy 3030, a third-person shooter with 3D bullet hell and roguelike elements. Play solo or team up with friends, as various heroes with unique abilities. Take on notorious alien outlaws, forge unique builds in every run and rise to become top gun of 3030!
- 11
Hex Blast
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required.
Hex Blast is a horde survival x roguelike deckbuilder where you strategize on a hex grid, chaining explosive card combos to wipe out cyber hordes. Build your deck, collect overclocked chips, and discover the most broken builds to annihilate cyber threats—before they overwhelm you.
- 12
castle idler
Single-player alternative to HypnoFish Inc. — playable solo, no multiplayer required.
castle idler is a short, relaxing incremental tower defense game with no waves. upgrade towers, collect coins, and unlock powerful prestige upgrades to defend your castle.