Enslaved: Odyssey to the West cheats/secrets:

Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Free! (10 points): Complete Chapter 1.
Sightseeing (10 points): Complete Chapter 2.
Up on the Roof (10 points): Complete Chapter 3.
Caught a Show on Broadway (10 points): Complete Chapter 4.
Escaped New York (10 points): Complete Chapter 5.
A Bridge Too Far (15 points): Complete Chapter 6.
There You Are! (15 points): Complete Chapter 7.
Windy Passage (15 points): Complete Chapter 8.
To Meet a Pig (20 points): Complete Chapter 9.
What a Pig (20 points): Complete Chapter 10.
Swine Flew (20 points): Complete Chapter 11.
Sub-way (25 points): Complete Chapter 12.
Anchors Away! (25 points): Complete Chapter 13.
Smoky Bacon (25 points): Complete Chapter 14.
Freed The Slaves (25 points): Free the Slaves.
Headcase (10 points): Headshot a Demolition mech 20 times.
Trainee Monkey (25 points): Complete all Chapters on Easy.
Monkey Magic (50 points): Complete all Chapters on Normal.
Great Sage Equal of Heaven (100 points): Complete all Chapters on Hard.
You Swine (15 points): Beat Pigsy to the top of the Decaying Titan.
Bad Doggy (15 points): Rescue Trip from the Dog in less than 36 seconds.
Got the Horn (15 points): Rescue Trip from the Rhino in less than 35 seconds.
Lover, Not a Fighter (15 points): Sneak past a group of enemies without alerting them.
Matador (15 points): Kill the Rhino without getting hit by his Charge Attack.
Mined the Gap (15 points): Knock an enemy back into a mine.
Over Here! (15 points): Distract 20 different enemies.
Stunning (15 points): Stun 75 different enemies.
Close Call (15 points): Kill a Broadcaster with 1 second on the clock.
Boom! (15 points): Use the Bomb Takedown to kill 2 enemies.
Role Reversal (15 points): Use the Gun Scout Hijack to kill 10 enemies.
Out Cold (15 points): Stun 3 enemies at once with a Radial Stun Blast.
Double Punch (15 points): Use Stun Blast then Plasma Blast to kill 25 shielded enemies.
Mech Murderer (15 points): Kill 200 enemies.
Counterintuitive (15 points): Perform 20 Counter Attacks.
Kebabed (15 points): Kill 3 enemies with a penetrating Plasma Blast.
Attacks Evasion (15 points): Perform 20 Evade Attacks that hit an enemy.
Invincible (15 points): Complete a Chapter without dying (Except Chapter 1).
Got Your Back (15 points): Rescue Trip 3 times after she has performed an EMP.
Untouchable (50 points): Complete a Chapter without losing any health.
Fully Loaded (30 points): Purchase all Upgrades.
Tough as They Come (15 points): Purchase all Health Upgrades.
Fighting Fit (15 points): Purchase all Combat Upgrades.
Check My Weapon! (15 points): Purchase all Staff Upgrades.
Shielded from Harm (15 points): Purchase all Shield Upgrades.
Mask Collector (20 points): Collect half of the Masks.
Mask Curator (50 points): Collect all Masks.
Tech Collector (15 points): Collect half of the Tech Orbs.
Tech Curator (50 points): Collect all Tech Orbs.

The following achievements require the "Pigsy's Perfect 10" bonus downloadable content:

A Moment to Savor (20 points): Pigsy's Perfect 10: Reach the top of Dead Man's Peak
Best Best Friend (20 points): Pigsy's Perfect 10: Ally a single Mech 2 times.
Build a New Friend! (20 points): Pigsy's Perfect 10: Find all the parts to build Perfect 10.
Dinner Date (40 points): Pigsy's Perfect 10: Collect all hidden food and pin-up girls.
Four Birds, One Stone (20 points): Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.
Perfect 10 (10 points): Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.
Quadruplets! (20 points): Pigsy's Perfect 10: Ally 4 enemies using one single Ally device
Stunning! (20 points): Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.
Ultimate Pork Roast Recipe (40 points): Pigsy's Perfect 10: Use all 4 devices on one enemy.
What can possibly go wrong? (40 points): Pigsy's Perfect 10: Complete all levels.