press:iflde + get all weapon for each point and robot.
press:iflgod + get god mode.

ITSAWONDERFUL Gives you an extra life.
HATMAN Turns Jim into Hatman, just like Pitfall.
ONANDONANDON Maximum number of game continues.
POPQUIZHOTSHOT Gives you 1000 bullets.
SLAUTHERHOUSE Access the first five levels of the game.

The codes are :
1 Auriga
2 Cepheus / Apus
3 Musca
4 Pyxis
5 Cetus
6 Formax
7 Caelum
8 Corvus

Demo Version:
\BLOODLUST Powerup weapons
\FUSHIPI Invincibility toggle
\GUNS All weapons and ammo
\TUNNEL Walk-through walls/Solid walls toggle
\XMAS All items

Full Version:
\ARMS All weapons and ammo
\BLOAD Level warp
\DIG Walk-through walls/Solid walls toggle
\FMK Full Health
\GIFTS All items
\RAGAMUFFIN Invincibility toggle
\VICI End level

During gameplay hold ESC + F12 and type in these arrow keys :
[UP] *1 THEN [LEFT] *7 FULL HEALTH
[UP] *2 THEN [LEFT] *2 THEN [RIGHT] *2 THEN [LEFT] *2 FULL SWORD
Release the ESC + F12 keys and press the SPACE BAR to activate