The Stellar Upgrade expands the party with a new world, two new pilots and a new game mode.
INCLUDES:
Flare Watch - a dangerous outpost
Box Cat - the Street Brawler
Dina - the Lost Huntress
Deathmatch - a non-stop onslaught in a single arena
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Buy Astro Party EX - Stellar Upgrade PC Key
This content requires the base game: Astro Party EX
Where to buy Astro Party EX - Stellar Upgrade at the best price? As of 6 Aug. 2026 this title has one offer, C$6.49 at Steam. On PC that is the usual case, because only about one title in four gets a keyshop offer and the rest stay with the platform store. There is nothing to compare, but we track this price daily and show how it stands against earlier readings, and a price alert will tell you about any drop. This is an add-on, so you also need the base game to play it. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.
Keyshops
Unavailable
Buy in Official Store:
C$6.49
Buy in Keyshops:
See price history
About Astro Party EX - Stellar Upgrade
Astro Party EX - Stellar Upgrade - about the game
Age rating
Historical low
Price history from official stores
C$3.24
Steam
2 weeks ago
Price history from keyshops
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FAQ
8 questionsBefore you start looking for a cheap Astro Party EX - Stellar Upgrade PC key, check the essentials. Developed by Rusty Moyher. Published by Wild Rooster. PC released date: 27 Jan. 2026. Genres: Action, Free To Play, Indie. Categories: Multi-player, PvP, Online PvP, Shared/Split Screen PvP, Remote Play Together, Downloadable Content, Remote Play on TV, Full controller support, Steam Cloud, Shared/Split Screen, Custom Volume Controls, Keyboard Only Option, Stereo Sound, Camera Comfort.
Where to buy a cheap Astro Party EX - Stellar Upgrade Steam key or CD key?
Using our price comparison and verified discount codes, you can buy a Astro Party EX - Stellar Upgrade key for as low as C$6.49. This deal is available at Steam and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Astro Party EX - Stellar Upgrade price on PC. Check the Astro Party EX - Stellar Upgrade price history to buy at the best moment.
What is the latest Astro Party EX - Stellar Upgrade Steam price?
As of our last update (we refresh Steam pricing multiple times a day), the Astro Party EX - Stellar Upgrade Steam price is C$6.49. You can save an extra ~6% by paying with a discounted Steam gift card.
Astro Party EX - Stellar Upgrade PC sale & discount - all in one place
Our price tracker covers both official retailers and key marketplaces, so you can find Astro Party EX - Stellar Upgrade on sale even outside seasonal promotions. We currently detect 1 active offer from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.
Does Astro Party EX - Stellar Upgrade have GeForce NOW support?
Based on our data, Astro Party EX - Stellar Upgrade is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.
Can I buy Astro Party EX - Stellar Upgrade on Steam?
Yes. Astro Party EX - Stellar Upgrade has an official page on the Steam Store. You can also buy a Astro Party EX - Stellar Upgrade Steam key from third-party sellers. Our price comparison currently includes 1 offer with Steam DRM. Pick one to ensure your Astro Party EX - Stellar Upgrade download happens on Valve's platform.
Can I play Astro Party EX - Stellar Upgrade on Steam Deck?
Not at this time. Valve marks Astro Party EX - Stellar Upgrade as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.
Is Astro Party EX - Stellar Upgrade on PC Game Pass or other subscriptions?
According to our data Astro Party EX - Stellar Upgrade is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.
Can I buy Astro Party EX - Stellar Upgrade here?
No - XD.deals is not a store. We are a price-comparison service that tracks the best Astro Party EX - Stellar Upgrade deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.
Best prices for Astro Party EX - Stellar Upgrade
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