You are missing 135 of 353 known Sega Game Gear ROMS (17 excluded)

5 In 1 Funpak (UE) [!]
Andre Agassi Tennis (UE) [!]
Arcade Classics (UE) [!]
Arena - Maze of Death (UE) [!]
Ax Battler - A Legend Of Golden Axe (J) [a]
Baku Baku Animals (UE) [!]
Bart vs. the World (JUE) [!]
Bartman Meets Radioactive Man (UE) [!]
Baseball '91 (J)
Batman Returns (JUE) [a]
Battleship (UE) [a]
Bonkers Wax Up! (UE) [!]
Bram Stoker's Dracula (UE) [!]
Bugs Bunny in Double Trouble (UE) [!]
Bust-A-Move (UE) [!]
Chuck Rock (JUE) [!]
Clutch Hitter (JUE) [!]
Cool Spot (UE) [!]
Cutthroat Island (UE) [!]
Daffy Duck in Hollywood (UE) [a]
Double Dragon (UE) [!]
Dragon - The Bruce Lee Story (UE) [!]
Dream Eleven (J) [!]
Dynamite Headdy (JUE) [a]
Earthworm Jim (UE) [!]
Earthworm Jim (UE) [t]
Ecco the Dolphin (JUE) [a1]
Evander Holyfield's Boxing (UE)
F-15 Strike Eagle (UE) [!]
Faceball 2000 (U) [!]
Fantasy Zone Gear (JUE) [a]
Fatal Fury Special (UE) [a]
FIFA Soccer 96 (UE) [!]
Foreman for Real (UE) [!]
Formula 1 (UE) [!]
Frank Thomas Big Hurt Baseball (U) [!]
G-Loc Air Battle (J) [!]
G-Loc Air Battle (JUE) [!]
Gear Stadium Heiseiban (J) [!]
Gear Works (UE) [!]
GG League 94 (J)
GG Portrait - Akira (J) [!]
GG Shinobi (E) [!]
GG Shinobi 2 (JUE) [a]
Godzilla (J) [!]
Greendog (JUE) [a1]
Greendog (JUE) [a2]
Head Buster (J) [a]
Hook (UE) [!]
House of Tarot (J) [!]
Itchy & Scratchy (JUE) [!]
Jeopardy! (UE) [!]
Jeopardy! - Sports Edition (UE) [!]
Jungle Book, The (UE) [!]
Jurassic Park (E) [!]
Kinetic Connection (J)
Klax (UE) [!]
Lemmings (JUE) [a][!]
Lucky Dime Caper with Donald Duck (U) [!]
Lunar (J) [T-Eng]
Lunar (J)
Madden NFL '96 (UE) [!]
Madou Monogatari A - Doki Doki (J)
Marble Madness (JUE)
Marko's Magic Football (UE) [!]
Monster Truck Wars (JUE) [!]
Mortal Kombat (V3.3) (JUE)
Mortal Kombat 3 (JUE) [!]
Nazo Puyo (J) [!]
NBA Action (UE) [!]
NFL 95 (UE) [!]
NFL Quarterback Club (JUE) [!]
NHL Hockey (UE) [!]
Ninja Gaiden (J)
Ninku (J) [!]
OutRun Europa (UE) [!]
Panzer Dragoon Mini (J) [!]
Paperboy (JUE) [t]
PGA Tour 2 (UE) [!]
PGA Tour 96 (JUE) [!]
PGA Tour Golf (UE) [!]
Phantasy Star Adventure (J) [a]
Phantasy Star Adventure (J) [T-Eng]
Phantasy Star Gaiden (J) [T-EnglishV1.0] (large font)
Phantasy Star Gaiden (J) [T-EnglishV1.0] (small font)
Phantasy Star Gaiden (J) [T-English_partial1] (large font)
Phantasy Star Gaiden (J) [T-English_partial1] (small font)
Phantasy Star Gaiden (J) [T-English_partial2] (large font)
Phantasy Star Gaiden (J) [T-English_partial2] (small font)
Pokemon Legends (Eternal Legend Hack)
Poker Faced Paul's Gin (UE) [!]
Poker Faced Paul's Solitaire (UE) [!]
Power Rangers (JUE) [!]
Putt and Putter (JUE)
Quiz of Gears, The (J)
Ren & Stimpy - Quest for the Shaven Yak, The (U) [!]
Revenge of Drancon (UE) [!]
Rise of the Robots (UE) [!]
Sailor Moon S (J) [a]
Samurai Shodown (UE) [!]
Scratch Golf (UE) [!]
Sega 4 in 1 Pack (UE) [a]
Shadam Crusader (J) [!]
Shaq Fu (UE) [!]
Shining Force 3 - Final Conflict (J) [a]
Shining Force 3 - Final Conflict (J) [T-Eng]
Shining Force Gaiden (J) [!]
Slider (UE)
Solitaire Funpak (UE) [!]
Sonic Drift 2 (J) [a]
Space Invaders (JUE)
Sports Illustrated Football and Baseball (UE) [!]
Super Columns (UE) [!]
Super Monaco GP (J) [a]
Super Monaco GP 2 (J) [a]
Super Off-Road (UE)
Super Return of the Jedi (UE) [!]
Surf Ninjas (UE) [a1]
Tails' Sky Patrol (J) [T-Port]
Taz-Mania - The Search for the Lost Seabirds (UE)
Terminator, The (UE) [!]
Tesserae (UE) [!]
Tintin au Tibet (E) [!]
Vampire - Master of Darkness (UE) [!]
Virtua Fighter Mini (J) [!]
Virtua Fighters Portrait - Pai Chen (J) [!]
VR Troopers (UE) [a]
Wakiyarando (Wagyan Land) (J) [a1]
Wakiyarando (Wagyan Land) (J) [a2]
World Class Leader Golf (U) [!]
World Cup Soccer (UE)
World Series Baseball (UE) [a][!]
Xaropinho (Mappy Hack)
Yogi Bear (UE) (proto) [!]
Yuyu Hakusho 2 (J)