Interplanetary: Enhanced Edition: Steam price vs key
Interplanetary: Enhanced Edition costs €2.25 as a key at BuyCheapKeys, versus a regular price of €14.99 on the Steam Store: you save €12.74 (85% 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 Interplanetary: Enhanced Edition now? A steal: buy it now
The key costs €12.74 less than the regular Steam price and is at its lowest recorded price. With 85% positive reviews, it's a safe buy.
Price score: 10/10 · The key is 85% 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 Interplanetary: Enhanced Edition keys
1 offer, sorted by price
- €2.25Buy
Interplanetary Enhanced Edition
CheapestSteam keyGlobal-€12.74 compared with the Steam regular price
Interplanetary: Enhanced Edition price history
- Steam regular price€14.99
- BuyCheapKeys key€2.25
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 Interplanetary: Enhanced Edition key
- 1
Buy the key
Choose the Interplanetary: Enhanced Edition 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.
Interplanetary: Enhanced Edition FAQ
›How much is Interplanetary: Enhanced Edition on Steam?
The regular Steam price of Interplanetary: Enhanced Edition is €14.99. At BuyCheapKeys the Steam key costs €2.25, €12.74 less.
›Where to buy Interplanetary: Enhanced Edition cheapest?
The cheapest option is the BuyCheapKeys Steam key for €2.25, 85% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the Interplanetary: Enhanced Edition key the same game as on Steam?
Yes. When you redeem the key, Interplanetary: Enhanced Edition 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 Interplanetary: Enhanced Edition at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €2.25 (October 4, 2026). Today it costs €2.25.
›Will the Interplanetary: Enhanced Edition 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 Interplanetary: Enhanced Edition 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 Interplanetary: Enhanced Edition worth it?
It has 85% positive reviews out of 552 on Steam (“Very Positive”), was released in 2017 and is developed by Team Jolly Roger. Genres: Strategy, Simulation, Indie, Space.
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Interplanetary: Enhanced Edition
€2.25