Characters: Mario, Luigi, a ton of Mushroom Kingdom enemies, both new and old ... impediments in the forms of fortresses, Hammer Bros. and bosses. After defeating the boss of each world, players ...

This is a reference to the 1984 game Wrecking Crew, in which Mario and Luigi starred. Spike is an enemy in the game, and he's meant to be a foreman at a construction site where the brothers work.

Next Super Mario Bros. Next is an upcoming single-player ... as well as a plethora of brand new enemies, mechanics, and power-ups, it promises to be quite the exciting adventure!