04X – Alien Eliminator
Press all the keys at the same time
QET – simultaneously to turn cheating on.
I – for invincibility. (Turn off with U)
asdfg – to select a weapon.
N – to immediately enter the next level.
WRY – simultaneously to turn cheating off.
Press Q + E + T to enable cheat mode. Then, enter one of the
following codes to activate the cheat function.
Disable invincibility U
Weapon select A + S + D + F + G
Level skip N
Disable cheat mode W + R + Y