GHST    Invincibility
W4RP    Goes to highest level you've reached                    
CR3D    Credits                        

Level Codes: 
NTRO    1
1STS    2
2NDS    3
TRSH    4
SW1M    5
W0LF    6
BR4T    7
K4RN    8
B0MB    9
WZRD    10
BLKS    11
TLPT    12
GYSR    13
B3SV    14
R3T0    15
DRNK    16
Y0VR    17
0V4L    18
T1N3    19
D4RK    20
H4RD    21
HRDR    22
L0ST    23
0B0Y    24
H0M3    25
SHCK    26
TNNL    27
H3LL    28
4RGH    29
B4DD    30
D4DY    31