Astra Bestiary
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About Astra Bestiary
Astra Bestiary is a monster-taming adventure set in the ruins of Yselion, a lost civilization. You hatch, train and bond with Beasts, recording your discoveries in a bestiary that preserves the forgotten lore of Yselion and its creatures. As you uncover the truth behind the fallen empire, you face the legendary Star Trials.
Explore Yselion
You travel through a vast, untamed open world filled with secrets and dangers, choosing your own route and riding Beasts across perilous landscapes. Every adult Beast can be ridden. Your quest journal includes a map to help you check where to go next.
Raise your Beasts
You can raise over 150 fully animated Beasts and guide their evolution into powerful paragons. Each Beast follows a path shaped by your choices and care, with the potential to become a ruthless Tyrant, a noble Monarch or a cunning Archon. Beasts also protect you from enemies; choosing the right skills at the right time helps you dominate confrontations.
Beasts are part of an eternal cycle. When one dies, the power it acquired remains in mysterious orbs that other Beasts can absorb, strengthening the next generation.
Additional features
- Character customization
- A quest journal with a map
- Toggleable on-screen key hints
- An idle mode in camp, where you can watch your friends relax
- Speed options for battles and camp
- Three save slots
Frequently asked questions
The best price for Astra Bestiary is $15.30 at Instant Gaming. That is 23% less than on Steam, where it costs $19.99. 3 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Astra Bestiary stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Astra Bestiary are: Windows 10, 4 GB RAM, 1 GB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. Astra Bestiary is a single-player game.
Yes. Astra Bestiary is the full base game. You need nothing else to play it.
Buy Astra Bestiary 23% cheaper than on Steam.
Astra Bestiary is available for 23% less in shops such as Instant Gaming.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.
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