In the latest version, you can reset your position to the starting point at the beginning of the game by holding down the “R” key for 5 seconds.
Please use this when you are stuck and unable to move.
Reset by pressing the “R” key
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.