By downloading a Cheat Engine table for Slime Rancher, you can see the "ID" of items currently in your vacuum gun and change them to whatever you want.
For the uninitiated, Slime Rancher is a gentle, pastel-hued paradise of resource management, exploration, and slime-wrangling. Developed by Monomi Park, the game invites players into the wellies of Beatrix LeBeau as she builds a ranch on the Far, Far Range. However, even in this serene world, players eventually hit limits: a shortage of rare resources, a failed rush for a Gold Slime, or simply the desire to experiment without grinding for 30 hours. slime rancher save editor