Complex sentence: In "Super Smash Bros. for Nintendo 3DS/Wii U", series protagonist Little Mac debuted as a playable character, and also features a set of wireframe alternate costumes based on his appearance from the original arcade games.
Split into simpler sentences: In "Super Smash Bros. for Nintendo 3DS/Wii U", series protagonist Little Mac debuted as a playable fighter. The character features a set of wireframe alternate costumes based on his appearance from the original arcade games.