Blow Up Lara Enter the following at the Title Screen:-  A, B, B, A, A, B, A, A 

Crack Lara's Bones Enter the following at the Title Screen:-  A, A, B, A, A, A, A 

Lara & Winston At Home Enter the following at the Title Screen:-  A, A, B, B, A, B, B, B, A 

Gameshark Codes

Have Sun Amulet and Moon Amulet 0167B4C1 
Have Skeleton Key 0169B1C1 
Have Alter Key 0169B1C1 
Have Rapid Bullets 01638dc1 
Have Yellow, Red, and Blue Handle 01ffb6c1 
Have Red and Blue Diamond 0163b2c1 
Have Gold Bars 0163b3c1 
Have Iris 0163b4c1 
Have Snake Eye, Nightmare Stone, and Orb 01ffb5c1 
Have Staff Segment 1 0163b7c1 
Have Staff Segment 2, 3 01ffb8c1 
Have Heavy Bullets 01638ec1 
Infinite Health 01ff89c1 
Infinite O2 01ff8ac1 
Have Large Health Paks 0163acc1 
Have Small Health Paks 0163adc1 
Have Door Keys 0163aec1 
Have Panel Peices 0163afc1 
Have Dynamite 0163b0c1 
Have Snake Key 0163b1c1