You are missing 14 of 434 known Sega Game Gear (0.999.4 BETA) ROMS

Ax Battler - A Legend of Golden Axe (V2.4) (J) [T-French]
Battleship (UE) [!]
Battleship (UE) [b1]
Drop Zone (U) [!]
GG Shinobi (E) [b1]
James Bond 007 - The Duel (UE) [!]
Kawasaki Superbike Challenge (U) [!]
Last Action Hero (UE) [!]
R.C. Grand Prix (UE) [!]
R.C. Grand Prix (UE) [b1]
SD Gundam Winner's History (J) [T-Eng]
Super Kick Off (J) [!]
Wolfchild (U) [!]
Yuu Yuu Hakusho 2 (J) [T-Eng]