Codes:
 2       2MM67MMM8
 3       9Bn#9MMMT
 4       9BB8BNMM7
 5       YVV9DNMM2
 6       YVCS6BMM2
 7       MCXXFWMM*
 8       MCZ9DCMMW
 9       MCL4YXMM4
 10      MCK7NLMMH

Cheat:

 If you don't want to die press [Esc] and type in CHICKEN and
 press [Esc] again. Now you have unlimited lives and pressing [T]
 doubles your speed. Press [F12] to disable the cheat.