Steam App 347000

InnerSpace

Soar through virgin skies and dive into lost oceans as you hunt for the ancient gods of the Inverse, a forsaken realm of inside-out planets. Created by a small team of seven developers and originally funded on Kickstarter, InnerSpace is a bright, colorful exploration flying game with no horizons.

AdventureIndieSingle-playerSteam AchievementsFull controller supportSteam Trading Cards
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KINGUINInnerSpace Steam CD KeyBest KeysUpdated: 2026-08-01 10:15
≈ $ 0.92Region free8 available
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KINGUINInnerSpace Steam CD KeyMy Digital GamesUpdated: 2026-08-01 10:15
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About

Your greatest journey is within.


In the final days of the Inverse, you must help the Archaeologist recover the last remaining memories before they are lost forever. Fly through ancient skies and abandoned oceans to discover the lost history of this fading realm, where entire civilizations have died, yet their gods still wander.

InnerSpace is an exploration flying game set in the Inverse, a world of inside-out planets where gravity pulls outward instead of in. InnerSpace began as a project among college friends and evolved into a successful Kickstarter campaign in 2014. After years of development, PolyKnight is proud to welcome you to the Inverse. Your greatest journey is within.

Features:



  • InnerSpace is a game about exploration, about player-driven moments both small and grandiose. Take your time, soar through the skies and dive through the oceans, and the secrets of the Inverse will reveal themselves.



  • Scattered among the ruins are priceless relics, the final messages from the extinct civilizations that once ruled the Inverse.





  • Adapt lost technologies to build new airframes, each with unique abilities to soar above the waters, and below.





  • The Inverse is dying, but you’re not alone. Demigods still roam here, hoarding what power they have left, the keepers of secrets as old as the Inverse. Fly carefully.





  • Featuring an ethereal art style and soothing electronic musical score, InnerSpace delivers a thoughtful, provocative flying experience unlike any other.

A quick note from the developers:


We started PolyKnight Games back in college, when we would meet after class to talk about new challenges in game design. We became fixated on one question in particular: "What would a flying game be like in a universe of inside-out planets?" To answer that question, we decided to put aside our career plans and form our own indie studio.

InnerSpace is not like other flying games. We want to reward exploration, both in terms of storytelling and the mechanics of flight. If you’re expecting a traditional flight sim with aerial combat, this might not be for you. If you like the idea of a plane that transforms into a submarine, then dives inside the belly of an ancient demigod, you're in the right place.

Please contact us on Twitter or the forums if you have any feedback at all, or if you just want to say hello. Thanks so much for checking out InnerSpace. We hope you enjoy the flight.

Regional data

Prices

CountryCurrencyInitialFinalDiscountUpdated
United StatesUSD$19.990%2026-07-22 19:50
TurkeyUSD$10.49 USD0%2026-07-22 19:50
ArgentinaUSD$10.49 USD0%2026-07-22 19:51
United KingdomGBP£16.750%2026-07-22 19:50
GermanyEUR19,50€0%2026-07-22 19:50
FranceEUR19,50€0%2026-07-22 19:50
Czech RepublicEUR19,50€0%2026-07-22 19:50
SlovakiaEUR19,50€0%2026-07-22 19:50
CanadaCADCDN$ 25.990%2026-07-22 19:51
AustraliaAUDA$ 29.500%2026-07-22 19:51
BrazilBRLR$ 59,990%2026-07-22 19:51
ChinaCNY¥ 76.000%2026-07-22 19:51
PolandPLN91,99 zł0%2026-07-22 19:50
MexicoMXNMex$ 227.990%2026-07-22 19:51
UkraineUAH415₴0%2026-07-22 19:50
IndiaINR₹ 8800%2026-07-22 19:51
JapanJPY¥ 2,3000%2026-07-22 19:51
South KoreaKRW₩ 21,5000%2026-07-22 19:51

Aspyr

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Quick answers

Frequently asked questions

How much does InnerSpace cost?

InnerSpace is currently listed as: $19.99. Prices may vary by region and store.

Which platforms does InnerSpace support?

InnerSpace supports: windows, mac, linux.

Who developed and published InnerSpace?

InnerSpace was developed by PolyKnight Games and published by Aspyr.

Are external marketplace offers available for InnerSpace?

Yes. There are 8 marketplace offers for InnerSpace; the lowest cached offer starts from ≈ $ 0.92.