Tetrisphere
Level select
Enter ” [Saturn][Spaceship][Rocket][Heart][Skull] ” as a name. Then, press L + C-Right + C-Down to enter the special characters in the name. Any level in any game mode may now be accessed.
Lines mini-game
Enter ” LINES ” as a name. Now the object of the game is to remove an area large enough to released the trapped character. Line up three pieces in a horizontal or vertical line to remove them.
Hidden music
Enter ” G[Alien head]MEBOY ” as a name. Then, press L + C-Right + C-Down to enter the special character in the name. Enter the audio screen to access nine additional songs.
View vortex sequence
Enter ” VORTEX ” as a name. Then, hold the reset button. Now a sequence showing all robots being sucked into a vortex will be displayed after several seconds. Release the reset button to end the display.
View credits
Enter ” CREDITS ” as a name.
| Single & VS Mode Codes | |
| Infinite Misses P1 | 80112F9F 0003 |
| Secret Cheat Menu Screen | 8011265F 00AD |
| Infinite Time P1 | 80112629 0000 |
| Weapon Modifier P1 | 80110922 00?? |
| Single Player Mode Only | |
| Score Modifier P1 (Smaller) | 80112D18 ???? |
| Score Modifier P1 (Larger) | 80112D1A ???? |
| Infinite Slides P1 (Puzzle Mode) | 801127E9 0009 |
| Time Modifier (Larger-Puzzle Mode) | 81112D2C ???? |
| Time Modifier (Smaller-Puzzle Mode) | 81112D2E ???? |
| Infinite Misses P2 | 80116207 0003 |
| Infinite Time P2 | 80115890 0000 |
| Weapon Modifier P2 | 80113B8A 00?? |
| Gameboy Cheat Message | 80112F9E 0003 |
| Quantity Digits to Accompany Weapon Modifier Code | |
| 00 – Rocket 01 – Dynamite 02 – Magnet 03 – 3 Purple Bars 04 – Drop Bomb 05 – Green Spike Ball |
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art.