GTSE4F
TimeSplitters 2 

Inf Ammo/No Reloads
04122D9C 60000000
04122D70 60000000

Infinite Health Story/Challenge
0401E5C8 2C1E0000
0401E5CC 4082005C
0401E5D0 60000000
0401E5D4 FC200090

Infinite Health Arcade Mode
0401F6E4 2C1F0000
0401F6E8 4082005C
0401F6EC 60000000

All Cut Scenes
0461435C FFFFFFFF

All Story Levels
04614360 FFFFFFFF

All Challenge Levels
04614378 FFFFFFFF

Full Gallery
04614364 FFFFFFFF
02614388 0005FFFF
02614398 0003FFFF

R+A to Freeze Timer
283B7AF8 00000120
041504E0 60000000
E2000001 80008000

R+B to Restart Timer
283B7AF8 00000220
041504E0 7C030214
E2000001 80008000