Achieve mastery level 10 with the Kugelgewehr.

Obtain 5 power armor skins.

Achieve mastery level 10 with a Hammer weapon.

Achieve mastery level 10 with the Blitzgewehr.

Kill 10 charging Supersoldaten.

Kill 50 enemies with their own bullets.

Find all Readables.

Find all Cassette Tapes.

Kill 50 enemies with your Crush ability.

Find all UVK Covers.

Kill 100 enemies while dual-wielding.

Kill an enemy within 3 seconds of uncloaking 50 times

Enter all Undergrounds.