Press Space for the Next Costume. Press A for something cool and D to change for the next style. And also look at the costume names if you want to understand.
https://scratch.mit.edu/projects/1187728099/ The New Units are called O.M.U a.k.a Operator's Multi-Units. It is based on the M.T.F from the Scp Foundation. Each unit has either a design that has already been use or uses a new design with a refrence.
