Passcodes
Below you'll find passcodes that you'll normally gain after defeating a stage boss. Each one has a description of what bosses have been defeated and how many items X will have.
| 1 | 7 | 6 | 4 | Bosses defeated: None |
| 1 | 4 | 8 | 8 | Energy hearts: 0 |
| 7 | 7 | 4 | 8 | Sub-tanks: 0 Body Upgrades: None |
| 4 | 3 | 6 | 8 | Bosses defeated: Flame Mammoth |
| 7 | 8 | 5 | 8 | Energy hearts: 0 |
| 3 | 8 | 7 | 4 | Sub-tanks: 0 Body Upgrades: None |
| 8 | 2 | 1 | 4 | Bosses defeated: Flame Mammoth, Chill Penguin |
| 8 | 5 | 2 | 7 | Energy hearts: 1 |
| 6 | 6 | 4 | 6 | Sub-tanks: 0 Body Upgrades: Boots |
| 3 | 8 | 5 | 5 | Bosses defeated: Flame Mammoth, Chill Penguin, Spark Mandrill |
| 7 | 1 | 3 | 2 | Energy hearts: 3 |
| 5 | 3 | 6 | 8 | Sub-tanks: 1 Body Upgrades: Boots |
| 2 | 3 | 3 | 4 | Bosses defeated: Flame Mammoth, Chill Penguin, Spark Mandrill, Armored Armadillo |
| 1 | 5 | 3 | 8 | Energy hearts: 4 |
| 8 | 6 | 4 | 1 | Sub-tanks: 2 Body Upgrades: Boots |
| 7 | 5 | 5 | 3 | Bosses defeated: Flame Mammoth, Chill Penguin, Spark Mandrill, Armored Armadillo, Storm Eagle |
| 8 | 5 | 7 | 2 | Energy hearts: 5 |
| 7 | 4 | 3 | 4 | Sub-tanks: 3 Body Upgrades: Boots, Helmet |
| 3 | 4 | 4 | 7 | Bosses defeated: Flame Mammoth, Chill Penguin, Spark Mandrill, Armored Armadillo, Storm Eagle, Launch Octopus |
| 2 | 8 | 6 | 7 | Energy hearts: 6 |
| 4 | 2 | 2 | 6 | Sub-tanks: 3 Body Upgrades: Boots, Helmet, X-Buster |
| 7 | 6 | 5 | 6 | Bosses defeated: Flame Mammoth, Chill Penguin, Spark Mandrill, Armored Armadillo, Storm Eagle, Launch Octopus, Boomer Kuwanger |
| 2 | 6 | 8 | 2 | Energy hearts: 6 |
| 3 | 1 | 7 | 8 | Sub-tanks: 3 Body Upgrades: Boots, Helmet, X-Buster |
| 7 | 4 | 3 | 1 | Bosses defeated: Flame Mammoth, Chill Penguin, Spark Mandrill, Armored Armadillo, Storm Eagle, Launch Octopus, Boomer Kuwanger, Sting Chameleon |
| 3 | 8 | 5 | 2 | Energy hearts: 8 |
| 8 | 5 | 2 | 1 | Sub-tanks: 4 Body Upgrades: Boots, Helmet, X-Buster, Armor |