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Xbox 360 - Hellboy: Science Of Evil cheats

Achievements:
Complete the following achievements to award the indicated amount 
of Xbox Live Gamerscore points. 

Hiker (50 gamerscore points): Finish Chapter 1 in Single Player. 
Weatherman (75 gamerscore points): Finish Chapter 2 in Single Player. 
Tourist (75 gamerscore points): Finish Chapter 3 in Single Player. 
Spelunker (75 gamerscore points): Finish Chapter 4 in Single Player. 
Legionnaire (75 gamerscore points): Finish Chapter 5 in Single Player. 
Exterminator (100 gamerscore points): Finish Chapter 6 in Single Player.

It takes two (100 gamerscore points): 
Finish all Chapters in Multiplayer on Xbox LIVE. 

I sense... Co-op (50 gamerscore points): 
Finish any Multiplayer Chapter as Abe on Xbox LIVE. 

Some like it hot (50 gamerscore points): 
Finish any Multiplayer Chapter as Liz on Xbox LIVE. 

Heads you win... (10 gamerscore points): Kill 25 enemies with Bambini Heads. 
Angry Plumber (10 gamerscore points): Kill 25 enemies with Drain Pipes. 
Egg-splosive (10 gamerscore points): Kill 25 enemies with Frog Eggs. 
Armed and Dangerous (10 gamerscore points): Kill 25 enemies with Krieger Guns. 
Boom-Boom (10 gamerscore points): Kill 25 enemies with Oni Clubs. 
Chiropractor (10 gamerscore points): Kill 25 enemies with the Ape Spine. 
Going Down (10 gamerscore points): Kill 50 enemies by throwing them off cliffs. 
I Feel Lucky (10 gamerscore points): Kill 50 enemies with the Samaritan. 
Prickly Personality (10 gamerscore points): Kill 50 enemies by throwing them 
onto spikes. 

Eye on the Prize (10 gamerscore points): 
Find the hidden Artefact in Chapter 1. 

Finders Keepers (10 gamerscore points): 
Find the hidden Artefact in Chapter 2. 

Watching the Missing (10 gamerscore points): 
Find the hidden Artefact in Chapter 3. 

I See You (10 gamerscore points): 
Find the hidden Artefact in Chapter 4. 

Artefact Appreciation (10 gamerscore points): 
Find the hidden Artefact in Chapter 5. 

Dear Diary (10 gamerscore points): 
Find the hidden Artefact in Chapter 6. 

Debt Collector (20 gamerscore points): 
Find all the Artefacts. 

Goal! (10 gamerscore points): 
Kick 50 Bambini Heads.

Vertigo (10 gamerscore points): 
Fall off cliffs 20 times. 

Secret achievements:
Secret Achievement (50 gamerscore points): Unknown. 
Secret Achievement (50 gamerscore points): Unknown. 
Secret Achievement (50 gamerscore points): Unknown. 
Secret Achievement (10 gamerscore points): Unknown.