Sonic Wings Reunion is the sequel to the game Sonic Wings Arcade, which was released in 1998. In the game, players choose from 8 characters to destroy the mysterious organization "Fatomance" that has advanced into the modern world. The storyline changes depending on the combination of characters selected.

• Eight initial characters, with hidden characters unlockable under specific conditions.
• Eight stages (including bonus stages) for battles in cities and locations of the modern world.
• Futuristic giant weapons from the original game.
• Support for local cooperative gameplay. Dialogue scenarios change depending on cooperative play.
• Cooperative scenarios can also be enjoyed in single-player mode.
• Three sound modes available.
• The original sound mode features music composed by the Sonic Wings series sound composer, Soshi Hosoi.
• In the Arrange Sound mode, music from previous titles has been fully rearranged by the most famous sound creator in Japan. The user can choose the music to be played.
• In the Mao Mao mode, the song Mao Mao is played as background music.
• The user can select difficulty level, invincibility mode, practice mode, and other detailed settings.
• Support for achievements, rankings, and cloud rescue.