Add Astra
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About Add Astra
Add Astra is a racing game built around math. You power your math-pod with addition, subtraction and multiplication, and race across ten tracks in five locations spanning the galaxy.
Math and racing
You can adjust the difficulty by working with whole numbers, fractions or decimals. The game also lets you see many numbers, if not most of them.
Frequently asked questions
The best price for Add Astra is $2.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Add Astra are: Windows Vista, 4 GB RAM, 300 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Add Astra is a single-player game.
Yes. Valve rates Add Astra as Verified on the Steam Deck: it runs well out of the box.
Yes. Add Astra is the full base game. You need nothing else to play it.
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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