Serious Sam: Siberian Mayhem achievements

5.69%

Look Ma, I'm a Lumberjack!

Complete the mech sequence and kill all big enemies without shooting

6.50%

Breaking News

Find all of the print media notes

6.50%

More Complaints

Find every Dmitry audio and text log

7.32%

David and Goliath

Defeat Sentry Tower with sole hoverboard firepower

7.32%

Serious Mayhem

Complete Siberian Mayhem on Serious difficulty in Singleplayer

8.13%

Iron Caput

Don't ride the tank - become the tank

8.94%

All Ingenious is Shot

A solution to any problem

9.76%

Hole-in-One

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

10.57%

Oops, I dropped it

Rid the monster of its misery

13.01%

Sam The Explorer

Find half of all the secrets

29.27%

Line up, please!

Kill 5 enemies with one Crossbow shot

36.59%

Traitor's Tale

Find every General Brand audio log