InnerSpace

Flight exploration through inside-out planets where gravity pulls outward

PolyKnight Games · Published by Aspyr · Released Jan 16, 2018

Reviews: Mixed; 64% of 182
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Verified
Last update on Steam: 8 years ago; Jun 8, 2018
Minimum PC: GeForce GTX 650; 8 GB RAM · 5 GB disk; Full requirements

What is InnerSpace?

In this single-player flight exploration game, you help an Archaeologist recover the remaining memories of the dying Inverse. You fly through the skies and dive underwater, search ruins for relics, and use lost technologies to build airframes with different abilities.

For you if...

+you enjoy a slow pace and self-directed exploration

Not for you if...

−you want a traditional flight simulator with aerial combat

What players say

64% of 182 reviews are positive

Players praise the visual style and soothing music. Many criticize the flight controls, particularly on keyboard, though several find a controller easier to use. Unclear objectives and disorienting navigation are other recurring complaints.

Screenshots and trailer

InnerSpace system requirements

Minimum: GeForce GTX 650, 8 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run InnerSpace?

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Minimum

OS: Windows 7 or Windows 10
Processor: AMD A8-7600 (3.1 Ghz) OR Intel Core i3 4170 (3.7 Ghz)
Graphics: Nvidia GPU GeForce GTX 650 / AMD GPU Radeon HD 6850 / Intel Iris Pro 5200
Memory: 8 GB RAM
Storage: 5 GB available space
DirectX: Version 9.0
Notes: 1 GB VRAM

Does InnerSpace have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does InnerSpace run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS, Linux
Achievements: 14
Steam features: Family Sharing, Trading cards
Languages: Text only: English, French, Italian, German, Spanish - Spain, Japanese, Portuguese - Brazil, Russian, Simplified Chinese.

Does InnerSpace use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam