Bungie Original Trilogy/ Average Score: 9.9/10/ (Halo Combat Evolved, Halo 2, Halo 3)

3D The Elder Scrolls Trilogy/ Average Score: 9.9/10 The Elder Scrools III: Morrowind/ The Elder Scrolls IV: Oblivion/ The Elder Scrolls V: Skyrim)

Metal Gear Solid Original Trilogy/ Average Score: 9.8/ (Metal Gear Solid, Metal Gear Solid 2: Sons Of The Libert, Metal Gear Solid 3: Snake Eater)

Baldur's Gate Trilogy/ Average Score: 9.8/10/ (Baldur's Gate, Baldur's Gate II: Shadows Of Amn, Baldur's Gate 3)

The Banner Saga Trilogy/ Average Score: 9.6/ (The Banner Saga, The Banner Saga 2, The Banner Saga 3)

BioShock Trilogy/ Average Score: 9.6/10/ (BioShock, BioShock 2, BioShock Infinite)

Mother Trilogy/ Average Score: 9.6/10/ (Mother, Earthbound, Mother 3)

Resident Evil Original Trilogy/ Average Score: 9.6/10/ (Resident Evil, Resident Evil 2, Resident Evil 3: Nemesis)

Castlevania DS Trilogy/ Average Score: 9.4/10 (Castlevania: Dawn Of Sorrow, Castlevania: Portrait Of Ruin, Castlevania: Order Of Ecclesia)

Gears Of War Trilogy/ Average Score: 9.4/10/ (Gears Of War, Gears Of War 2, Gears Of War 3)

Dark Souls Trilogy/ Average Score: 9.3/10/ (Dark Souls, Dark Soul II, Dark Souls III)

Mass Effect Trilogy/ Average Score: 9.3/10/ (Mass Effect, Mass Effect 2, Mass Effect 3)

Batman Arkham Trilogy/ Average Score: 9.3/10/ (Batman: Arkhan Asylum, Batman: Arkhan City, Batman: Arkhan Knight)

Metroid Prime Trilogy/ Average Score: 9.3/10/ (Metroid Prime, Metroid Prime 2: Echoes, Metroid Prime 3: Corruption)

3D GTA Original Trilogy/ Average Score: 9.3/ (GTA III, GTA: Vice City/ GTA: San Andreas)

Hitman Reboot Trilogy/ Average Score: 9.2/10/ (Hitman, Hitman 2, Hitman 3)

Max Payne Trilogy/ Average Score: 9.2/10/ (Max Payne, Max Payne 2: The Fall of Max Payne, Max Payne 3)

2000's Original Tony Hawk's Trilogy/ Average Score: 9.2/ (Tony Hawk's Pro Skater 2, Tony Hawk's Pro Skater 3, Tony Hawk's Pro Skater 4)

Fallout 3D Trilogy/ Average Score: 9.2/ (Fallout 3, Fallout New Vegas, Fallout 4)

Assassin's Creed: Ezio's Trilogy/ Average Score 9.2/10/ (Assassin's Creed II, Assassin's Creed: Brotherhood, Assassin's Creed: Revalations)

Silent Hill Original Trilogy/ Average Score: 9.1/ Silent Hill, Silent Hill 2, Silent Hill 3)

Mimimi's Strategy Games Trilogy/ Average Score: 9.1/ (Shadow Gambit: The Cursed Crew, Desperados III, Shadow Tatics: Blades Of The Shogun)

God Of War Original Trilogy/ Average Score: 9.0/ (God Of War, God Of War II, God Of War III)