It was released worldwide on January 16, 2018, for Linux, Microsoft Windows, OS X, PlayStation 4, Nintendo Switch and Xbox One.

[1] InnerSpace is the first title from PolyKnight Games.

Inspired by the character-driven narratives of Journey and Grow Home, development of InnerSpace was funded Kickstarter campaign.

[2] The partnership between PolyKnight Games and Aspyr was announced at PAX East 2017.

[3][4][5][6] Innerspace received mixed to average reviews from critics.