SMG4: The 1337 police mod! is another Nintendo 64 ROM hack, likely based on an existing game and heavily modified for comedic effect, given the name and SMG4's association with humorous online content. Precise gameplay details require knowledge of the base game and the specific modifications made by the creators.  It's a fan-made creation, independent of Nintendo.

SMG4: The 1337 police mod!

Smash Remix Shino Patch 2.0