I can tell you that we don’t have malicious code in the game, however this only applies if you downloaded the game on Itch. In other sites we don’t have control over what is uploaded so we do not endorse anything.
Our word is probably not worth much for you. If you need to validate if the game is malicious or not, run the game in an isolated environment like a sandbox, virtual machine or another computer, and test the behavior of the application to check.
Also, like I said before, even if this or other games are deemed safe, if possible, run them on a sandbox, because you never know who to trust online. Stay safe :).