I get a failed to load mono error. I think you forgot the mono folder that comes with the game.
Edit: I copied the mono folder from another game and it works now.
Viewing post in MYST: TIME WARRIOR jam comments
Thank you for letting us know! Yep, it was the mono folder indeed that I forgot :/ I uploaded the folder to my drive and the link is here for anyone who couldn't access it: https://drive.google.com/drive/folders/1O7RoEU6z8E-WDes1Wt_tTl3h6AD9Ma5z?usp=sha...