Yes, I always do Linux builds and I haven’t had issues with my games running on Steam Deck (except sometimes Steam bugs out and tries to run the Windows build incorrectly). I know @benjames171 said he would try to upload a Linux build for Chromacell, so I wonder if that’s worth giving a shot for Tiny Racing and Tameshi?
It certainly isn’t the case that you need to add any code or anything like that.
Worth noting though that for some reason Chromacell runs with Proton Experimental in the compatibility section (which means that it is running the Windows build). Not sure what that implies.