Successfully complete the indicated task to unlock the corresponding movie at the 'Theater' menu:
| Dyna Blade | Successfully complete Dyna Blade. |
| Great Cave Offensive | Successfully complete the Great Cave Offensive |
| Revenge of Meta Knight | Successfully complete Revenge Of Meta Knight. |
| Staff Credits | Successfully complete Milky Way Wishes. |
| Tomorrow's Be victorious ind | Overcome DeDeDe in Spring Breeze. |
| Friends and Sun | Successfully complete Revenge Of Meta Knight. |
| Marx's Mad Plan | Successfully complete Milky Way Wishes. |
| Milky Way Wishes | Successfully complete Milky Way Wishes. |
| Halberd Scenes 4-6 | Successfully complete Revenge Of Meta Knight. |
| Gourmet Race | Successfully complete Gourmet Race. |
| To The Battlefield | Successfully complete Milky Way Wishes. |
| Grand Opening | Watch the introduction sequence. |
| Movie 00 (Original Kirby Movies) | Successfully complete Helper To Hero with all characters. |
| Halberd Scenes 7-9 | Successfully complete Revenge Of Meta Knight. |
| Revenge of the King | Successfully complete Revenge Of The King. |
| Movie 31 | Successfully complete Meta Knightmare Ultra. |
| Kirby's Triumphant Return | Successfully complete Milky Way Wishes. |
| Flying Fortress Kabula | Successfully complete Revenge Of The King. |
| Halberd Scenes 1-3 | Successfully complete Revenge Of Meta Knight. |
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| Spring Breeze | Successfully complete Spring Breeze. |
| Great Escape-Hero Up High | Successfully complete the Great Cave Offensive |
| Live Healthy | Successfully complete Dyna Blade. |
| Movie 34 | Successfully complete The True Arena. |
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| Movie 35 | Get a 100% game completion. |
Successfully complete the indicated task to unlock the corresponding mini-game:
| Dyna Blade | Successfully complete Spring Breeze. |
| Meta Knightmare Ultra | Successfully complete Revenge Of The King. |
| Samurai Kirby | Successfully complete Meta-Knightmare Ultra. |
| Megaton Punch | Successfully complete The Arena. |
| Helper to a Hero | Successfully complete The Arena. |
| Revenge of The King | Successfully complete Milky Way Wishes. |
| Sound Test | Successfully complete the first six games. |
| Milky Way Wishes | Successfully complete Spring Breeze, Dyna Blade, The Great Cave Offensive, Gourmet Race, and Revenge Of MetaKnight. |
| The Arena | Successfully complete Milky Way Wishes. |
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| Gourmet Race | Successfully complete Spring Breeze. |
| Revenge of MetaKnight | Successfully complete Spring Breeze, Dyna Blade, The Great Cave Offensive, and Gourmet Race. |
| The Great Cave Offensive | Successfully complete Spring Breeze. |
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| The True Arena | Successfully complete The Arena, Helper To Hero, Revenge Of The King, and Meta Knightmare Ultra. |
Successfully complete six mini-games to unlock the 'Sound Test' option. Alternately, successfully complete Milky Way Wishes.
In Stage 2, go to the area with the stone switch. Hit the switch to break the blocks. Go to the left, and press Up to find a door. Go through it, and defeat the mini-Boss. Continue to the right, and you will eventually reach a room with blocks spelling 'HAL' and an Invincible Candy.
Get a 100% game completion on your saved game file.
During the battle against King Dedede, go to the far left or right of the arena to see various characters from the Mario series.
Successfully complete The Arena to change the game selection menu music.
