Hello Bubba!!!
Thanks a lot for trying Subject!!! :-)
Right now the Saving/Load Option is on development and is the top most urgent priority. It will be ready in the next release (30 to 45 days) I'm going to let you know here as soon as is ready or if you want you can join our community in discord to be more in contact!
Just follow this link:
https://discord.gg/uD2yda
Saving/Load option ready!!! GEt your new copy here!
https://www.patreon.com/subjectgame