Nanotech (2003 video games)

The Nanobot (stylized on-screen as Nano Monster Ver. X) is a recurring boss throughout Chapter 2 of Teenage Mutant Ninja Turtles (2003 video game). It is fought in three incarnations ("versions"), ending with its giant junkyard version.

Nano Monster Ver. 2.1 also returns as a challenge in the game's challenge mode.