Official Slime Rancher merchandise is available on the website welovefine. Currently available merchandise is:
- Various T-Shirts based on the game. There are 8 different shirts and each one has a model for both male and female. Also, a shirt which is called Corral Party makes reference to the game Puyo Puyo.
- 2 mouse pads; one uses art from the loading screen and the other shows a picture of the Far, Far Range.
- Wall art: 5 different pictures of essential elements of the game such as the world, slimes or Slime Science.
- 3 bags with different slime prints and a wallet using art from the loading screen.