N+ for Sony PSP is a fast-paced, physics-based platformer where players control a ninja character navigating through intricate levels filled with hazards, enemies, and collectibles. Its minimalistic design focuses on precise movement and momentum, requiring skillful jumping and acrobatics to survive challenging environments. The genre of N+ falls into the action-platformer category, with a strong emphasis on puzzle-solving and reflexes. The game features hundreds of built-in levels, a level editor for custom creations, and includes multiplayer modes, extending its replay value and fostering a community of players and creators.