Operation Snowman achievements

Kill 50 enemies with RPG

Kill 50 enemies with grenades

Survive the wave using only RPG

Kill 10 bosses

Kill 50 enemies with a lollipop

Kill 50 enemies with a machine gun

Survive the wave using only a lollipop

Survive the wave without receiving any health damage

Survive the wave with less than 10% health

Survive 10 waves

Survive 50 waves

Survive 30 waves