Kirby and the Amazing Mirror is a 2004 action platformer developed by HAL Laboratory and Flagship, published by Nintendo for the Game Boy Advance. The game takes place after a mysterious mirror world above Dream Land begins spreading darkness, splitting Kirby into four colored copies who must work together to restore peace. Unlike most entries in the Kirby series, this game moves away from the traditional linear stage format and instead presents one large, connected world for players to explore freely. The map is built like a maze, with dozens of branching rooms, hidden passages, and secret areas spread across eight themed mirror sections. This open structure gives the game a distinctive feel compared to other Kirby titles, rewarding curious players who take time to search every corner. Kirby can inhale enemies and copy their abilities, with over twenty copy abilities available including Beam, Fire, Sword, and Sleep, each changing how Kirby moves and attacks through the world.
Updated: Jun 22, 2026
Screenshots

4 MB · GBA ROMs
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Specifications
| Platform | GBA ROMs |
|---|---|
| Genre | Action |
| File Size | 4 MB |
| Release Year | 2004 |
| Developer | HAL Laboratory / Flagship |
| Updated | Jun 22, 2026 |
Overview
Kirby and the Amazing Mirror is a 2004 action platformer developed by HAL Laboratory and Flagship, published by Nintendo for the Game Boy Advance. The game takes place after a mysterious mirror world above Dream Land begins spreading darkness, splitting Kirby into four colored copies who must work together to restore peace. Unlike most entries in the Kirby series, this game moves away from the traditional linear stage format and instead presents one large, connected world for players to explore freely. The map is built like a maze, with dozens of branching rooms, hidden passages, and secret areas spread across eight themed mirror sections. This open structure gives the game a distinctive feel compared to other Kirby titles, rewarding curious players who take time to search every corner. Kirby can inhale enemies and copy their abilities, with over twenty copy abilities available including Beam, Fire, Sword, and Sleep, each changing how Kirby moves and attacks through the world.
The game supports up to four players through the Game Boy Advance link cable, letting each player control one of the four colored Kirbys simultaneously across the shared world. In single-player mode, the other three Kirbys are controlled by computer AI, and players can call them for help at any time using the cell phone item. When all four Kirbys gather in the same room, they can perform a powerful combined attack that deals massive damage to tough enemies and bosses. Each of the eight mirror sections ends with a boss fight, and clearing these unlocks new paths deeper into the mirror world. Collectibles including star pieces and other hidden items are scattered throughout the map, giving players additional reasons to backtrack and explore. The combination of a wide ability roster, open-world exploration, and cooperative multiplayer makes Kirby and the Amazing Mirror a standout and memorable entry in the series.