T-Racer

During play press 'F9' five times to activate the cheat mode.  
Now use the following keys:

F1   Add to power up.     
F2   Add to power up.
F3   Add energy.
F4   Fill energy.     
F5   Invincibility.
F6   Special weapon 1.
F7   Special weapon 2.
F8   Special Weapon 3.
DEL  Die!