Hellboy: Science of Evil - Achievements

Hiker 50 points: Complete Chapter 1 in Single Player.
Weatherman 75 points: Complete Chapter 2 in Single Player.
Tourist 75 points: Complete Chapter 3 in Single Player.
Spelunker 75 points: Complete Chapter 4 in Single Player.
Legionnaire 75 points: Complete Chapter 5 in Single Player.
Exterminator 100 points: Complete Chapter 6 in Single Player.
I sense... Co-op 50 points: Complete any Multiplayer Chapter as Abe on Xbox LIVE.
Some like it hot 50 points: Complete any Multiplayer Chapter as Liz on Xbox LIVE.
It takes two 100 points: Complete all Chapters in Multiplayer on Xbox LIVE.
Heads you win... 10 points: Defeat 25 enemies with Bambini Heads.
Boom-Boom 10 points: Defeat 25 enemies with Oni Clubs.
Angry Plumber 10 points: Defeat 25 enemies with Drain Pipes.
Egg-splosive 10 points: Defeat 25 enemies with Frog Eggs.
Armed and Dangerous 10 points: Defeat 25 enemies with Krieger Guns .
Chiropractor 10 points: Defeat 25 enemies with the Ape Spine.
Debt Collector 20 points: Find all the Artefacts.
Eye on the Prize 10 points: Find the hidden Artefact in Chapter 1.
Finders Keepers 10 points: Find the hidden Artefact in Chapter 2.
Watching the Missing 10 points: Find the hidden Artefact in Chapter 3.
I See You 10 points: Find the hidden Artefact in Chapter 4.
Artefact Appreciation 10 points: Find the hidden Artefact in Chapter 5.
Dear Diary 10 points: Find the hidden Artefact in Chapter 6.
Vertigo 10 points: Fall off cliffs 20 times.
Going Down 10 points: Defeat 50 enemies by throwing them off cliffs.
Prickly Personality 10 points: Defeat 50 enemies by throwing them onto spikes.
I Feel Lucky 10 points: Defeat 50 enemies with the Samaritan.
Goal 10 points: Kick 50 Bambini Heads.