For the BOING! trophy in Ratchet & Clank: Rift Apart, you’ll need to bounce on Big Al, Clank and Qwark’s Parade Balloons. These balloons can be found in the Hidden Pocket Dimension, which is located in Nefarious City aka Corson V (see below).
Ratchet & Clank: Rift Apart – BOING! Trophy
