Sorry to hear you're having trouble.
There's two things you can try, the low graphics / safe mode now available in the latest update, more on that here:
viewtopic.php?f=5&t=619If that doesn't work, Please send your log files to
bugs@monomipark.com along with a brief description
You can find them on Windows here:
C:\Program Files (x86)\Steam\steamapps\common\Slime Rancher\SlimeRancher_Data\output_log.txt
Please let us know how you make out!