Complete the following achievements to unlock Xbox Live Gamerscore points.
Whumpa Warrior (15 points): Complete All Whumpa Island Episodes. 
Goose Goose Duck! (10 points): Jack A Yuktopus. 
Temple Of Boom (10 points): Complete Temple Episode. 
Harder They Fall (15 points): Complete All Lumber Yard Episodes. 
Tiny Detour (10 points): Complete Lava Episode. 
Beach Blanket Bombardment (15 points): Complete All Beach Episodes. 
Facts of Strife (15 points): Complete All Factory Episodes. 
All Bark, No Might (10 points): Jack Uka Uka. 
Barking Up The Wronged Tree (25 points): Complete All Uka Tree Episodes. 
Sticky Fingers (15 points): Jack Nina's Arachnina. 
Courting Catastrophe (25 points): Complete All Cortex Lair Episodes. 
Gold Digger (15 points): Earn 1 Gold Episode Idol. 
Mojo Magic (10 points): Complete 1 Mojo Room Challenge. 
Five By Five (10 points): Accrue 5 Extra Lives. 
Easy Pickings (15 points): Collect 5 Hidden Idols. 
Ringer (15 points): Earn 5 Gold Episode Idols. 
Soaking In It (25 points): Unlock 5 Creature Costume Idols. 
Like A Cat (20 points): Accrue 9 Extra Lives. 
Mojo Mania (15 points): Complete 10 Mojo Room Challenges. 
Stayin' Alive (30 points): Accrue 15 Extra Lives. 
Crate Crazy (20 points): Smash 100 Crates Of Any Scale. 
Aiming To Please (20 points): Jack 20 Projectile Creatures By Any Means. 
Brutal Buffet (35 points): Jack 5 Of Every Type Of Jackable Creature. 
Baker's Dozen (13 points): Jack 13 Strongs By Any Means. 
Carry A Bigger Stick (15 points): Jack 5 Captains By Any Means. 
Duplex Planet (20 points): Play Co-Op. 
Fits Like A Glove (10 points): Unlock 1 Creature Costume Idol. 
Gimme Some Skin (26 points): Unlock 10 Creature Costume Idols. 
Midas Touch (25 points): Earn 10 Gold Episode Idols. 
Master At Harms (25 points): Defeat 200 Minion Fodder. 
Mojophoria! (25 points): Complete All Mojo Room Challenges. 
Treasure Hunter (25 points): Collect All 20 Hidden Idols. 
Sampler Pack (30 points): Jack 1 Of Every Type Of Jackable Creature. 
Monster Whisperer (30 points): Jack 75 Strong Creatures. 
Self-Help Guru (15 points): Fully Upgrade Crash's Health. 
Mojofied (30 points): Unlock & Upgrade All Crash's Abilities. 
Master Of Disguise (36 points): Unlock All Creature Costume Skins. 
JACK KING (75 points): Complete 100% of the Game. 
Alive & Kicking (10 points): Complete All Episodes on Hard. 
Over Easy (25 points): Earn Gold for All Episodes on Easy. 
Medium Rare (35 points): Earn Gold for All Episodes on Medium. 
Hard Knocks (60 points): Earn Gold for All Episodes on Hard. 
Additionally, there are five secret achievements, all of which are currently unknown.