Free games like Astra Bestiary

Below are 8 free-to-play Steam games similar to Astra Bestiary, 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 Astra Bestiary page.

1
Bongo Cat
Free-to-play alternative to Astra Bestiary — no purchase or trial window. Shares Simulation with Astra Bestiary.
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?
2025IndieSimulationMassively MultiplayerFreeDeck PlayableFree to playSimilar games →
2
The Looker
Free-to-play alternative to Astra Bestiary — no purchase or trial window.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
2022IndieFreeDeck PlayableFree to playSimilar games →
3
NGU IDLE
Free-to-play alternative to Astra Bestiary — no purchase or trial window. Shares Adventure and Simulation with Astra Bestiary.
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!
2019IndieAdventureSimulationFreeDeck PlayableFree to playSimilar games →
4
Travellin Cats in Paris
Free-to-play alternative to Astra Bestiary — no purchase or trial window.
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!
2023IndieFree To PlayCasualFreeDeck VerifiedFree to playSimilar games →
5
Grimm's Hollow
Free-to-play alternative to Astra Bestiary — no purchase or trial window. Shares Adventure and RPG with Astra Bestiary.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
2019IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →
6
The Expendabros
Free-to-play alternative to Astra Bestiary — no purchase or trial window. Shares Adventure with Astra Bestiary.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
2014ActionIndieAdventureFreeDeck VerifiedFree to playSimilar games →
7
UNBEATABLE [white label]
Free-to-play alternative to Astra Bestiary — no purchase or trial window. Shares Adventure with Astra Bestiary.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
2021ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
8
Star Fetchers
Free-to-play alternative to Astra Bestiary — no purchase or trial window. Shares Adventure with Astra Bestiary.
The introduction to a wild ride with gangsters and deep state conspiracy theories
2020ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →

Ranked picks