Serious Sam HD: The First Encounter

Frag a total of 1337 players.

Frag 100 players with a knife from behind.

Frag 100 players with a knife.

Pierce at least 10 enemies with a single cannonball.

Complete any level in co-op.

Complete The Great Pyramid in co-op with blood option set to hippy.

Frag a total of 500 players.

Win 1000 deathmatch games.

Win 25 1-on-1 deathmatches.

Complete a deathmatch with frag limit set to at least 200. (Frag limit must be reached!)

Win a deathmatch marathon.

Win 100 deathmatch games.

Complete 100 deathmatches.

Frag 25 players with a knife while having no more than 10 health left.

Frag 100 different players in deathmatch.

Perform 4 frags with each being no more than 10 seconds apart from the previous frag in at least 4 player deathmatch.

Frag a total of 100 players.

Complete the game.

Frag the same player 5 times in a row in at least 4 player deathmatch.

Complete the game in single player without firing a single bullet or shell.