The phrase "occasional cutscene" refers to a short video or animation that appears in a video game or movie once in a while, usually to show a storyline or important event. Full definition
Since this import is the Japanese version, there are occasional cutscenes presented in Japanese text. (nintendoworldreport.com)
Although there's a somewhat basic story driven along by occasional cutscenes, the vast majority of time revolves around a single motivation — get off an island full of zombies. (thejimquisition.com)
While I expected this plot to just serve as bookends to the gameplay, Planet Robobot surprised me with occasional cutscenes and supplementary text detailing the whys and hows of its story. (nintendowire.com)