Serious Sam HD: The First Encounter Cheats (Xbox360)

For gaining access to a secret level, destroy each of the statues in the "Valley Of The
Kings" level.

Finish the stated achievement to earn the indicated amount of Gamerscore points:

 - Serious Co-op (35 pts): Finish a co-op game on serious difficulty and extra enemy
strength on 400%.

 - Game Master (20 pts): Finish the game. 

 - I am Invincible (10 pts): Finish the game in single player without firing a single
bullet or shell. 

 - Metropolis King (20 pts): Finish Metropolis level in single player on serious
difficulty without loading. 

 - Co-op Beginner (5 pts): Finish any level in co-op. 

 - Serious Run (15 pts): Finish the game in single player by beating estimated time on
each level. 

 - Serious Beginner (10 pts): Finish any level in single player. 

 - Co-op Hippie (10 pts): Finish The Great Pyramid in co-op with blood option set to
hippie. 

 - Cannon Expert (5 pts): Pierce at least 10 enemies with a single cannonball. 

 - Look, It's a Secret (30 pts): Find at least 50 secrets in single player. 

 - Perfect In single player mode of the game, kill (10 pts): all enemies in Karnak. 

 - Serious Sam (30 pts): Finish the game in single player on serious difficulty.