Cosmic Star Heroine: Steam price vs key
Cosmic Star Heroine costs €5.69 as a key at BuyCheapKeys, versus a regular price of €14.99 on the Steam Store: you save €9.30 (62% less). The key activates on your Steam account and it's exactly the same game (prices from October 4, 2026).
- Instant deliveryKey by email and in your account
- Full guaranteeReplacement or refund
- Secure paymentCard, PayPal, Google Pay, Apple Pay
- Activates on SteamSame game in your library
- Up to 4% cashbackWith the VIP Club
Should I buy Cosmic Star Heroine now? A steal: buy it now
The key costs €9.30 less than the regular Steam price and is at its lowest recorded price. With 89% positive reviews, it's a safe buy.
Price score: 10/10 · The key is 62% below the regular Steam price.
The same game, for less
A Steam key gives you exactly the same as buying on Steam. Only the price changes.
Available Cosmic Star Heroine keys
2 offers, sorted by price
Cosmic Star Heroine price history
- Steam regular price€14.99
- BuyCheapKeys key€5.69
We've been tracking this game since October 3, 2026. The chart will appear once there are a few days of data.
How to activate the Cosmic Star Heroine key
- 1
Buy the key
Choose the Cosmic Star Heroine offer and pay. You get the key instantly.
- 2
Open Steam
Go to “Games” › “Activate a Product on Steam”.
- 3
Redeem and play
Paste the key and the game stays in your library forever.
Cosmic Star Heroine FAQ
›How much is Cosmic Star Heroine on Steam?
The regular Steam price of Cosmic Star Heroine is €14.99. At BuyCheapKeys the Steam key costs €5.69, €9.30 less.
›Where to buy Cosmic Star Heroine cheapest?
The cheapest option is the BuyCheapKeys Steam key for €5.69, 62% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the Cosmic Star Heroine key the same game as on Steam?
Yes. When you redeem the key, Cosmic Star Heroine is added to your Steam account with achievements, cloud saves and updates, just as if you bought it on Steam.
›What is the lowest price for Cosmic Star Heroine at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €5.69 (October 4, 2026). Today it costs €5.69.
›Will the Cosmic Star Heroine key work in my country?
We list Global and Europe region keys. Each BuyCheapKeys product page tells you whether it can be activated in your country before you buy.
›Is it safe to buy from BuyCheapKeys?
Yes. Delivery is instant by email and in your account, we accept card, PayPal, Google Pay and Apple Pay, and every purchase is covered by a replacement or refund guarantee.
›Does Cosmic Star Heroine work on Steam Deck?
Valve rates it “Playable” on Steam Deck. Once the key is activated on Steam you can play it on Steam Deck just like on PC.
›Is Cosmic Star Heroine worth it?
It has 89% positive reviews out of 823 on Steam (“Very Positive”), was released in 2017 and is developed by Zeboyd Digital Entertainment LLC. Genres: JRPG, RPG, Indie, Pixel Graphics.
Games like Cosmic Star Heroine, cheaper as a key
-11% vs Steam RRPBreath of Death VII
-31% vs Steam RRPCthulhu Saves Christmas
-52% vs Steam RRPThis Way Madness Lies
-85% vs Steam RRPVirgo Versus The Zodiac
-70% vs Steam RRPLast Dream
-65% vs Steam RRPEchoes of Aetheria
Cosmic Star Heroine
€5.69