Mega Arm upgrade:
Enhanced weapon:
Super password:
Intentionally lose all lives three times on the same level. Dr. Light will appear and upgrade the Mega Arm.
Collect all the jewels on the planets. Dr. Light will modify your weapons to use less energy.
Enter the following password to possess all items and power-ups.
RRT--
ET-T
-E-RT
TTRRE
TRTRR
Boss
Use Receive
In Level
Mercury B.Hole G.Buster
Neptune D.Digger S.Water
Mars S.Water P.Missile
Venus P.Missile B.Bomb
DarkMoon Mega Arm
Arms Pluto G.Buster B.Dash
Jewel Uranus B.Dash D.Digger
Jewel Jupiter B.Bomb E.Shock
Jewel Boss Use Receive
Saturn E.Shock B.Hole
Jewel Terra Mega Arm S.Chaser
Gun MegaBuster RRT__ Password
4 Boss Mega Arm ET__T for all
Mega Arm _E_RT weapons
Ship S. Chaser TTRRE and items
SunStar Mega Arm TRTRR