Sam I am
Accumulate a total of 100,001 enemy kills and frags combined.
35 
Cathedral King
Complete The Grand Cathedral level on serious difficulty without dying or loading.
30 
Serious Sam
Complete the game in single player on serious difficulty.
25 
Beast Hunt Master
Win a Beast Hunt match on all game levels.
20 
Deathmatch Master
Win 100 deathmatch games.
20 
Look, It's a Secret
Find at least 80 secrets in single player.
20 
Game Master
Complete the game.
15 
Coin-op Co-op
Complete the entire Coin-op coooperative game on normal or higher difficulty.
15 
Serious Beginner
Complete any level in single player.
5 
Survival Beginner
Earn at least a bronze medal on any level in single player Survival.
5 
Capture The Flag Beginner
Win a CTF match with at least 2 players on each team.
5 
My Burden Beginner
Win one My Burden match with at least 3 players.
5