Single-player games like Birza
Below are 8 single-player Steam games similar to Birza, 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 Birza page.
Ranked picks
- 1

Tiny Slime Farm
Single-player alternative to Birza — playable solo, no multiplayer required. Shares Indie and Simulation with Birza.
A cozy desktop idle game where cute slimes bounce around your tiny farm while you work or study.
- 2

Wildframe : A Creature Scrapbook
Single-player alternative to Birza — playable solo, no multiplayer required. Shares Indie and Simulation with Birza.
A cosy wildlife photography game set in a world of fantastic creatures. Observe, wait for the perfect moment, and photograph them all. Fill and customize your scrapbook at your own pace, and complete the collection your grandfather never could.
- 3

Loopquarium
Single-player alternative to Birza — playable solo, no multiplayer required. Shares Strategy and Indie with Birza.
Loopquarium is an aquarium roguelite where you assemble a school of fish with unique abilities to repel invading apex predators. Start with a group of guppies, grow your population, and balance predator and prey to discover insane combos every run.
- 4

Cozy~Fishing Kitten
Single-player alternative to Birza — playable solo, no multiplayer required. Shares Indie and Simulation with Birza.
Dive into a cozy, idle fishing experience! Cast your line from a little corner on your desktop. Customize your cute avatar and background, then feed and collect adorable cats of all breeds. Unlock beautiful scenes and jump into multiplayer and sneak in some "chill-time" with friends!
- 5

Lepidarium
Single-player alternative to Birza — playable solo, no multiplayer required. Shares Indie and Simulation with Birza.
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.
- 6

Incremental Fishing
Single-player alternative to Birza — playable solo, no multiplayer required. Shares Indie and Simulation with Birza.
A short incremental relaxing game about fishing across diverse ocean biomes and upgrading your ship.
- 7

Molluscarium
Single-player alternative to Birza — playable solo, no multiplayer required. Shares Indie and Simulation with Birza.
Relax and collect over 500 unique molluscs in this cozy idle game. Watch larvae grow into stunning adults in real-time, customize vibrant aquatic habitats across 9 themed packs, and discover rare species from garden snails to deep-sea cephalopods.
- 8

Pupperazzi: The Dog Photography Game
Single-player alternative to Birza — playable solo, no multiplayer required. Shares Indie and Casual with Birza.
Put your love for pups to the test - we have a bunch of dogs that need their photos taken, doggone it! Photograph and catalogue the finest (and derpiest) dogs to build your career, upgrade your camera, and discover new canines. WOOF.