Mega Man X3 is a side-scrolling action platformer developed and published by Capcom for the Super Nintendo Entertainment System. Capcom released it in 1995 as the third entry in the Mega Man X series, and the story follows the blue android X and his partner Zero as they battle a new Maverick uprising led by the scientist Doppler and his army of rogue reploids. Capcom built on the strong foundation set by its two predecessors, adding new mechanics that give players more tools and freedom than ever before. For the first time in the series, players can take full control of Zero, a powerful red swordsman who fights with a Z-Saber rather than a buster cannon. X also gains access to Zero's saber through special power-up chips found throughout the game. Three upgrades to X's armor chassis appear across the stages, alongside hidden parts that reward careful exploration. These additions make the game the most complex and content-rich entry in the SNES trilogy.
Updated: Jun 22, 2026
Screenshots
16 MB · SNES ROMs
External mirror link — Roms Portal hosts no ROM files. Always verify a file's checksum against the known-good hash before use.
Specifications
| Platform | SNES ROMs |
|---|---|
| Genre | Action |
| File Size | 16 MB |
| Release Year | 1995 |
| Developer | Capcom |
| Updated | Jun 22, 2026 |
Overview
Mega Man X3 is a side-scrolling action platformer developed and published by Capcom for the Super Nintendo Entertainment System. Capcom released it in 1995 as the third entry in the Mega Man X series, and the story follows the blue android X and his partner Zero as they battle a new Maverick uprising led by the scientist Doppler and his army of rogue reploids. Capcom built on the strong foundation set by its two predecessors, adding new mechanics that give players more tools and freedom than ever before. For the first time in the series, players can take full control of Zero, a powerful red swordsman who fights with a Z-Saber rather than a buster cannon. X also gains access to Zero's saber through special power-up chips found throughout the game. Three upgrades to X's armor chassis appear across the stages, alongside hidden parts that reward careful exploration. These additions make the game the most complex and content-rich entry in the SNES trilogy.
Mega Man X3 offers a single-player campaign built around eight selectable Maverick stages, each led by a boss whose weapon X claims upon defeat. Players can tackle the stages in any order, and the weapons taken from bosses create elemental weaknesses that reward smart stage selection. A sub-tank and heart tank system lets players permanently expand their health bar and stock extra energy for tough fights. Doppler's fortress opens after all eight Mavericks fall, presenting four castle stages packed with elite enemies and powerful boss rematches before the final showdown. Zero appears as an optional playable character in select stages, bringing a short but satisfying change of pace with his close-range combat style. Hidden ride armors, hovering platforms, and moving stage sections add variety to the level design throughout the game. The soundtrack by Kinuyo Yamashita and Toshihiko Horiyama delivers a punchy, energetic score that matches the speed of the action perfectly. Mega Man X3 closes the SNES trilogy on a high note.