Cheats
u=up
d=down
l=left
r=right
t=triangle
x=x
s=square
o=o

Pause game while playing. Then press: u, d, l, r, d, r, L1, R1, R1 to open cheatmenu. Then enter the following cheats:

Bloodmode - L1,d, R1, l, L1, r, R1
Immortal - r, R1, u, L1, u, r, R1, d, L1
Angels - u, R1, d, L1, u, l, R1, l, L1
5 swammers - u, d, u, l, r, R1, L1, R1, L1
Double laser - R1, L1, R1, L1, u, d, u, l, r
Infinite fuel - L1, o, l, L1, o, R1, L1, u, R1, d
Choose mission - u, d, o, L1, R1, L1, o, d, u
Extra time - d, L1, L1, o, o, R1, u, s, L1
All time trials - R1, L1, o, l, o, o, l, L1, o