Finish one non-tutorial level without dying.

Get to the Spaghetti save point in Snowdin.

Arrive at Snowdin.

Get two items.

Reach the mouse hole in the Ruins.

Finish a level using only Slug Shots

Congratulations!

Kill 666 enemies.

Completed 15 tracks (all sectors) in Circuit Experience.

Successfully use a blade weapon's one-shot attack on an enemy. (Ignored in training mode.)

Finish a Match in the Out For Blood Campaign

Complete the main Campaign