Crash bash rates this game: 5/5. the main mode of play in crash bash is the adventure mode, in which the player must win all 28 levels to complete.[4] the player wins trophies, crystals, and gems by beating the different challenges of each level.[4] certain levels require a minimum number of trophies, gems, or crystals to gain entry.. Crash bash was the first in the party genre for the franchise and the last of crash's outings on the psone. isos