Cortex's niece, Nina Cortex, is also playable along with a few sparsely used alternate gameplay styles. Crashes enhanced moveset includes his double jump and body slam while Cortex uses gadgets such as a laser gun. Players explore levels, mainly as Crash, while collecting crystals to progress through the game and gems to unlock pictures in the gallery. This game is very different from other Crash games as it trades in linear level design with 2D sections thrown in for full open world 3D environments that are all interconnected. Neo Cortex must team up to take on a much greater threat. Crash Twinsanity is a 3D platformer where Crash and his arch nemesis Dr.