Suspicious Developments is making a new game which will be about sneaking aboard spaceships. All you have at your disposal is a spaceship capable of docking with other ships, and from their you try and complete your objective.
It’s much easier to listen to developers describe the game then to try and write about it.
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Heat Signature is still very early in development as the video attests to, but it has promise. Suspicious Developments is also the developer who created the stealth platforming game Gunpoint.
News Source (Destructoid)