These scores were compiled on February 29-March 1, 2008. The average score was 7.36. I did not include multi-game carts that included separate releases in the best and worst lists. Only US releases are included here, as well.
The number of the right is the number of reviews the game had.
Gamefaqs' Top 25 Reviewed Genesis Games
| 1 | El Viento | 9.67 | 6 |
| 2 | Pirates! Gold | 9.57 | 7 |
| 2 | Shinobi III: Return of the Ninja Master | 9.57 | 7 |
| 4 | Ristar | 9.53 | 19 |
| 5 | Phantasy Star IV: The End of the Millenium | 9.47 | 32 |
| 6 | Herzog Zwei | 9.43 | 7 |
| 7 | Dynamite Headdy | 9.40 | 15 |
| 8 | Ranger X | 9.33 | 6 |
| 9 | ToeJam & Earl | 9.31 | 16 |
| 10 | Rocket Knight Adventures | 9.30 | 20 |
| 11 | Starflight | 9.29 | 7 |
| 12 | ToeJam & Earl in Panic on Funkotron | 9.27 | 11 |
| 13 | General Chaos | 9.13 | 8 |
| 13 | Road Rash II | 9.13 | 8 |
| 15 | Sonic & Knuckles | 9.09 | 44 |
| 16 | Contra Hard Corps | 9.08 | 24 |
| 17 | Sonic the Hedgehog 2 | 9.05 | 57 |
| 18 | Ecco: The Tides of Time | 9.00 | 7 |
| 18 | Gain Ground | 9.00 | 5 |
| 18 | Jungle Strike: The Sequel to Desert Strike | 9.00 | 5 |
| 18 | Mega Bomberman | 9.00 | 7 |
| 18 | Samurai Showdown | 9.00 | 6 |
| 18 | Skitchin' | 9.00 | 6 |
| 24 | Streets of Rage 2 | 8.96 | 51 |
| 25 | Shining Force II | 8.94 | 35 |
Gamefaqs' Bottom 10 Reviewed Genesis Games
| 1 | Dark Castle | 1.17 | 6 |
| 2 | Great Waldo Search, The | 1.40 | 5 |
| 3 | Barney's Hide & Seek Game | 1.71 | 14 |
| 4 | Awesome Possum | 2.00 | 6 |
| 5 | Ka-ge-ki: Fists of Steel | 2.44 | 9 |
| 5 | Sword of Sodan | 2.44 | 9 |
| 7 | Double Dragon V: The Shadow Falls | 2.60 | 5 |
| 8 | Hard Drivin' | 3.00 | 7 |
| 9 | Monopoly | 3.80 | 5 |
| 10 | Virtua Fighter 2 | 4.25 | 8 |
Alphabetical List of Gamefaqs Genesis Review Scores
| Adventures of Batman & Robin, The | 7.14 | 7 |
| Aero the Acro-Bat | 7.20 | 5 |
| Aladdin, Disney's | 7.94 | 16 |
| Alex Kidd in the Enchanted Castle | 7.22 | 9 |
| Alien 3 | 6.20 | 5 |
| Alien Storm | 6.67 | 6 |
| Alisia Dragon | 7.60 | 5 |
| Altered Beast | 5.23 | 30 |
| Art of Fighting | 5.25 | 8 |
| Awesome Possum | 2.00 | 6 |
| Barney's Hide & Seek Game | 1.71 | 14 |
| Batman Forever | 4.40 | 5 |
| Batman Returns | 5.40 | 5 |
| Batman: The Video Game | 8.83 | 6 |
| Battletoads | 5.50 | 6 |
| Beavis & Butthead, MTV's | 8.25 | 16 |
| Beyond Oasis | 8.00 | 12 |
| Boogerman: A Pick and Flick Adventure | 6.80 | 5 |
| Bubsy in: Claws Encounters of the Furred Kind | 6.50 | 8 |
| Captain America and the Avengers | 6.50 | 6 |
| Castlevania: Bloodlines | 8.37 | 27 |
| Chakan | 6.86 | 7 |
| Columns | 6.27 | 15 |
| Comix Zone | 7.92 | 26 |
| Contra Hard Corps | 9.08 | 24 |
| Cool Spot | 8.20 | 5 |
| Crusader of Centy | 7.43 | 7 |
| Cyborg Justice | 8.17 | 6 |
| Dark Castle | 1.17 | 6 |
| Decap Attack | 7.40 | 5 |
| Desert Demolition starring Road Runner and Wile E. Coyote | 8.00 | 6 |
| Desert Strike: Return to the Gulf | 8.67 | 6 |
| Dinosaurs For Hire, Tom Mason's | 6.60 | 5 |
| Double Dragon | 5.50 | 8 |
| Double Dragon 3: The Arcade Game | 4.83 | 6 |
| Double Dragon V: The Shadow Falls | 2.60 | 5 |
| Dr. Robotnik's Mean Bean Machine | 8.22 | 18 |
| Dungeons & Dragons: Warriors of the Eternal Sun | 8.50 | 6 |
| Dynamite Headdy | 9.40 | 15 |
| Earthworm Jim | 8.43 | 7 |
| Ecco the Dolphin | 8.11 | 9 |
| Ecco: The Tides of Time | 9.00 | 7 |
| El Viento | 9.67 | 6 |
| Eternal Champions | 8.69 | 13 |
| Fatal Fury | 6.33 | 6 |
| Flashback: The Quest for Identity | 8.67 | 6 |
| Flicky | 5.80 | 10 |
| Gain Ground | 9.00 | 5 |
| Garfield: Caught in the Act | 6.63 | 8 |
| Gauntlet IV | 8.40 | 5 |
| General Chaos | 9.13 | 8 |
| Genesis 6 Pak | 8.80 | 10 |
| Ghouls 'n Ghosts | 8.08 | 12 |
| Golden Axe | 7.96 | 26 |
| Golden Axe II | 7.83 | 12 |
| Great Waldo Search, The | 1.40 | 5 |
| Greendog: The Beached Surfer Dude! | 6.80 | 5 |
| Gunstar Heroes | 8.88 | 24 |
| Hard Drivin' | 3.00 | 7 |
| Haunting starring Polterguy, The | 7.63 | 8 |
| Herzog Zwei | 9.43 | 7 |
| Home Alone | 6.57 | 7 |
| Immortal, The (Will Harvey Presents) | 7.60 | 5 |
| Jungle Book, Disney's The | 8.60 | 5 |
| Jungle Strike: The Sequel to Desert Strike | 9.00 | 5 |
| Jurassic Park | 8.19 | 16 |
| Ka-ge-ki: Fists of Steel | 2.44 | 9 |
| Kid Chameleon | 8.31 | 13 |
| King of the Monsters 2 | 7.20 | 5 |
| Landstalker | 8.86 | 14 |
| Last Battle | 5.60 | 5 |
| Light Crusader | 7.44 | 9 |
| Lightening Force: Quest for the Darkstar | 8.80 | 10 |
| Lion King, Disney's The | 8.20 | 10 |
| M.U.S.H.A. | 8.80 | 5 |
| Marble Madness | 7.60 | 5 |
| Mega Bomberman | 9.00 | 7 |
| Mercs | 7.50 | 6 |
| Michael Jackson's Moonwalker | 8.23 | 13 |
| Mickey Mania: Timeless Adventures of Mickey Mouse | 8.00 | 5 |
| Might Morphin' Power Rangers | 5.75 | 8 |
| Mighty Morphin' Power Rangers: The Movie | 5.63 | 8 |
| Monopoly | 3.80 | 5 |
| Mortal Kombat | 6.72 | 29 |
| Mortal Kombat 3 | 6.20 | 15 |
| Mortal Kombat II | 7.63 | 19 |
| Mutant League Football | 8.20 | 10 |
| Mutant League Hockey | 6.71 | 7 |
| NBA Hang Time | 6.40 | 5 |
| NBA Jam | 7.80 | 5 |
| NHL '94 | 7.89 | 9 |
| NHL '95 | 7.40 | 5 |
| Outrun | 8.50 | 6 |
| Pac-Man 2: The New Adventures | 8.33 | 6 |
| Paperboy | 5.60 | 5 |
| Phantasy Star II | 7.64 | 28 |
| Phantasy Star III: Generations of Doom | 6.32 | 25 |
| Phantasy Star IV: The End of the Millenium | 9.47 | 32 |
| Pirates! Gold | 9.57 | 7 |
| Pit-Fighter | 8.00 | 6 |
| Primal Rage | 4.50 | 14 |
| QuackShot starring Donald Duck | 8.82 | 11 |
| Ranger X | 9.33 | 6 |
| Ren & Stimpy Show, The: Stimpy's Invention | 7.50 | 6 |
| Revenge of Shinobi, The | 6.94 | 16 |
| Rings of Power | 8.60 | 5 |
| Ristar | 9.53 | 19 |
| Road Rash | 7.55 | 11 |
| Road Rash II | 9.13 | 8 |
| RoboCop vs. Terminator | 8.00 | 6 |
| Rocket Knight Adventures | 9.30 | 20 |
| Samurai Showdown | 9.00 | 6 |
| Scooby-Doo Mystery | 6.60 | 5 |
| Shadow Dancer: The Secret of Shinobi | 6.43 | 7 |
| Shadowrun | 8.05 | 21 |
| Shaq Fu | 4.29 | 24 |
| Shining Force | 8.00 | 37 |
| Shining Force II | 8.94 | 35 |
| Shining in the Darkness | 6.92 | 13 |
| Shinobi III: Return of the Ninja Master | 9.57 | 7 |
| Simpsons, The: Virtual Bart | 6.00 | 5 |
| Skitchin' | 9.00 | 6 |
| Sonic & Knuckles | 9.09 | 44 |
| Sonic 3D Blast | 6.09 | 32 |
| Sonic Spinball | 7.24 | 25 |
| Sonic the Hedgehog | 8.74 | 58 |
| Sonic the Hedgehog 2 | 9.05 | 57 |
| Sonic the Hedgehog 3 | 8.51 | 43 |
| Space Harrier II | 7.60 | 5 |
| Spider-Man | 7.93 | 15 |
| Spider-Man/Venom: Maximum Carnage | 7.80 | 10 |
| Splatterhouse 2 | 6.00 | 11 |
| Splatterhouse 3 | 8.63 | 8 |
| Starflight | 9.29 | 7 |
| Street Fighter II: Special Champion Edition | 7.57 | 14 |
| Streets of Rage | 7.32 | 37 |
| Streets of Rage 2 | 8.96 | 51 |
| Streets of Rage 3 | 8.41 | 29 |
| Strider | 7.92 | 12 |
| Sub Terrania | 7.20 | 5 |
| Super Hang-On | 7.58 | 12 |
| Super Monaco GP | 6.88 | 8 |
| Super Street Fighter II: The New Challengers | 8.55 | 11 |
| Sword of Sodan | 2.44 | 9 |
| Sword of Vermilion | 6.00 | 10 |
| T2: The Arcade Game | 6.40 | 5 |
| Taz in Escape from Mars | 8.00 | 5 |
| Teenage Mutant Ninja Turtles: The Hyperstone Heist | 7.67 | 12 |
| Teenage Mutant Ninja Turtles: Tournament Fighters | 5.88 | 8 |
| Thunder Force II | 5.80 | 5 |
| Tiny Toon Adventures: Buster's Hidden Treasure | 7.89 | 9 |
| ToeJam & Earl | 9.31 | 16 |
| ToeJam & Earl in Panic on Funkotron | 9.27 | 11 |
| Toy Story, Disney's | 8.83 | 6 |
| Ultimate Mortal Kombat 3 | 7.11 | 9 |
| Urban Strike: The Sequel to Jungle Strike | 6.83 | 6 |
| Vectorman | 8.47 | 15 |
| Virtua Fighter 2 | 4.25 | 8 |
| Virtua Racing | 7.71 | 7 |
| WarSong | 8.73 | 11 |
| WeaponLord | 8.60 | 5 |
| Wonder Boy in Monster World | 8.00 | 6 |
| World Championship Soccer | 6.67 | 6 |
| World of Illusion starring Mickey Mouse & Donald Duck | 7.75 | 8 |
| WWF Royal Rumble | 8.00 | 7 |
| X-Men | 7.13 | 8 |
| X-Men 2: Clone Wars | 7.83 | 6 |
| Zombies Ate My Neighbors | 8.25 | 8 |
