Serious Sam Classics: Revolution achievements

Finish 2 levels in The Second Encounter using only the knife in at least normal difficulty.

Get the gold medal on the Christmas 2014 survival level.

Kill less than 8 enemies on the first level of The Second Encounter in at least normal difficulty.

Finish the first level of The Second Encounter taking no damage in at least normal difficulty.

Complete a level in The Second Encounter using only the knife on at least normal difficulty.

In a match of at least 6 players, run 2 kilometers without getting killed.

Find a secret Minelayer in The Second Encounter.

Finish the first level of The Second Encounter without jumping in at least normal difficulty.

Using explosive weapons, kill 10 people in a row.

Find a secret bouncing rock.

Finish The Second Encounter in cooperative.

Finish The Second Encounter on single player.