Robotron 64
Auto Replay
At the Setup Menu Press: Left, Right, Up, Down, C-Left, C-Right, C-Left, C-Right (REPEAT THE WHOLE SEQUENCE 3 TIMES), for Auto Play.
Bunch of Codes
50 Extra Lives - At the Setup menu press: Up, Up, Down, Down, Left, Right, Left, Right, C-Left, C-Right, C-Left, C-Right.
Level Select - At the Setup menu press: Down, Up, C-Left, Down, C-Left, C-Right, Down, C-Right.
Flame Thrower - While playing press: Down, Right, Down, Right, C-Right.
Game Boy Mode - At the Setup menu press: Up, Down, Right, C-Left, Down, Up, Left, C-Right, Up, Down.
Speedup Game Play - While playing press: Left, Left, Right, Right, C-Up.
Radiation Spray - While playing the game press: Up, Down, C-Right, C-Left.
Shield - While playing the game press: Down, Left, C-Left, C-Right.
Two-Way Fire - While playing the game press: Up, C-Up, Up, C-Up.
Three-Way Fire - While playing the game press: Right, Right, C-Left, C-Down.
Four-Way Fire - While playing the game press: Down, Down, Up, C-Right.
Passwords
With each password below, you start with a Score of 32767000 and 126 Lives. NOTE: If you get 1000 or more points and/or an extra life with these passwords, the password that you will get will not keep your score/lives, they will reset to 0. So if you want to quit your game and continue later, use the save feature and save your game to your controller pak.
Easy Normal Insane
TFTTDQSKBB THTTNQSKBB TKTTDRSKBB Level 1
TMTTDQSKFF TPTTNQSKFF TRTTDRSKFF Level 50
TFTTDQSKLJ THTTNQSKLJ TKTTDRSKLJ Level 100
TPTTDQSKQM TRTTNQSKQM TTTTDRSKQM Level 150
THTTDQSKCR TKTTNQSKCR TMTTDRSKCR Level 200
The following password will put you at the final bonus stage before the final wave of the game (#200). It will also give you 54 lives.
BBBBNBFFBR
These are passwords to start the game with 111 lives on each difficulty level. 110 + the one you start with. On the main option screen choose "Load Game" then choose "Enter Password" and enter:
BSBBBBTJBB for easy
BCBBLBTJBB for normal + 16384000
BFBBBCTJBB for insane + 16384000