Single-player games like Cast n Chill
Below are 9 single-player Steam games similar to Cast n Chill, 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 Cast n Chill page.
Ranked picks
- 1
Cozy Island Idle
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Indie and Simulation with Cast n Chill.
Cozy Island Idle is a chill fishing idle game where you catch all sort of fantasy fishes to showcase them in an Aquarium to sell them to turn a profit and customize your aquarium and island.
- 2
Chillquarium
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Simulation and Casual with Cast n Chill.
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
Lured In
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Indie and Simulation with Cast n Chill.
Run your own cozy aquarium! Travel to different places to catch all types of fish. Bring them back for idle profits, or sell them for instant cash. Unlock research for new upgrades, and ascend for powerful bonuses. Customize your character and tanks, and make your aquarium your own!
- 4
Easy Bubbles
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Indie and Simulation with Cast n Chill.
Easy Bubbles is a relaxing aquarium simulation filled with cute sea creatures. Manage your aquarium with click and idle mechanics, collect resources and have a pleasant experience in the colorful and peaceful underworld.
- 5
We Love Fish Tanks
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Casual with Cast n Chill.
We Love Fish Tanks is a cozy aquarium builder. Kick back & relax, buy, breed, & sell fish (or fish-like things), and decorate your tank exactly how you'd like!
- 6
Idle Waters
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Indie and Simulation with Cast n Chill.
A relaxing idle fishing game that waits for you at the bottom of your screen. CATCH fish, BUY upgrades, COMPLETE your collection, and DISPLAY them in your aquarium.
- 7
Megaquarium
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Indie and Simulation with Cast n Chill.
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.
- 8
Zen Aquarium
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Simulation with Cast n Chill.
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!
- 9
Stardew Valley
Single-player alternative to Cast n Chill — playable solo, no multiplayer required. Shares Indie and Simulation with Cast n Chill.
You've inherited your grandfather's old farm plot in Stardew Valley. Armed with hand-me-down tools and a few coins, you set out to begin your new life. Can you learn to live off the land and turn these overgrown fields into a thriving home?