Serious Sam: Siberian Mayhem achievements

Complete the mech sequence and kill all big enemies without shooting

Find all of the print media notes

Complete Siberian Mayhem on Serious difficulty in Singleplayer

Find every Dmitry audio and text log

Defeat Sentry Tower with sole hoverboard firepower

Don't ride the tank - become the tank

A solution to any problem

Stay here and kill them all... with a black hole

Rid the monster of its misery

Find half of all the secrets

Kill 5 enemies with one Crossbow shot

Find every General Brand audio log