Single-player games like Peacequarium
Below are 14 single-player Steam games similar to Peacequarium, 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 Peacequarium page.
Ranked picks
- 1
Dinosaurium
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation and Casual with Peacequarium.
Relax and collect over 500 unique dinosaurs in this cozy idle game. Watch hatchlings grow into towering giants in real-time, customize prehistoric habitats across 9 themed packs, and discover rare species from tiny raptors to mighty sauropods.
- 2
Lepidarium
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation and Casual with Peacequarium.
Relax and collect hundreds of unique butterflies and moths in this cozy idle game. Watch caterpillars transform from larva to chrysalis to winged beauty, customize lush greenhouses, and discover rare species from monarchs to atlas moths.
- 3
Boing Boing Animals
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation and Casual with Peacequarium.
Raise Tamagotchi-style pixel animal friends right on your desktop! Care for slimes from outer space and help them grow into bouncy 'Boing Boing' Earth animals. Feed and play with your adorable friends while completing the Codex! Your tiny companions will always be by your side.
- 4
Chillquarium
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation and Casual with Peacequarium.
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!
- 5
Tiny Birdtopia
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Casual with Peacequarium.
This is not Bird Game 3! Build and manage a relaxing bird sanctuary. Collect and raise diverse bird species, and unlock hidden species by gathering feathers. Customize your Birdtopia with themes like forests and islands, and watch your birds thrive in this casual, idle game.
- 6
Cast n Chill
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation with Peacequarium.
Cast n Chill is a relaxing fishing game where you explore serene lakes, rivers, and oceans. Catch rare fish, upgrade your gear and reel in legendary catches - all with your loyal companion by your side.
- 7
Nanomon Virtual Pet
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation with Peacequarium.
Nanomon are byte-sized virtual pets for the corner of your screen! Raise over 25 unique monsters, and explore their cyber-world! Feed them, train them, or chill with them! By your side, nanomon evolve, learn new abilities, and venture further into the Nanoscape! What kind of monster will you raise?
- 8
Lofi aquarium
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation and Casual with Peacequarium.
"Lofi Aquarium" is a gamified focus tool designed to enhance concentration and relieve stress. As you work, a group of adorable baby fish will keep you company, all set to soothing lofi music. Over time, the fish grow and can be sold for profit.
- 9
Choo Choo Survivor
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation with Peacequarium.
Drive your train to safety while shooting down endless hordes of zombies blocking your way. Upgrade your weapons and abilities and become absurdly powerful!
- 10
Gamer To Game Developer Series 1: More Than a Gamer
Single-player alternative to Peacequarium — playable solo, no multiplayer required.
Welcome to the new GTGD S1, a Unity 2017 multiplayer tutorial for game developers. This training course is of intermediate difficulty so you should first be familiar with the basics of coding in Unity. This tutorial will teach you the key elements of the Unity 2017 multiplayer system.
- 11
Guild Commander
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation with Peacequarium.
In Guild Commander you manage your guild to victory! Deploy your guild members and save your world from the Necro Lord!
- 12
Weekend Drive
Single-player alternative to Peacequarium — playable solo, no multiplayer required.
Giants, zombies, aliens, dinosaurs, a fully destructible city with fun vehicles (including helicopter!) and weapons at your disposable, yes Weekend Drive is way ahead of the curve! Get set for a fun unique full on action first person shooter experience!
- 13
Model City
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation and Casual with Peacequarium.
Welcome to Model City, a calm relaxing small game where you can't lose or do anything wrong.
- 14
Home By The River
Single-player alternative to Peacequarium — playable solo, no multiplayer required. Shares Simulation with Peacequarium.
This is a resource gathering, crafting RPG, where you build your home from scratch and make whatever design you want. You start with a dead polluted land that you transform into a beautiful homestead by a river. Play single player or LAN Co-op.