Some games are separated from region variants on compatibly report.

[Triticum0]

BLUS30399 Afrika (Same game)
BCJS30021 Afrika (Same game)
BCAS20050 Hakuna Matata (Region name difference the same game as above)
NPJB90584 Biohazard: Revelations - Unveiled Edition Demo (Resident Evil: Revelations Demo is the same game as Unveiled Edition. it turns out just to be a regional name difference, which signifies the HD version of the original ds ports)
BLJM60518 Biohazard: Revelations - Unveiled Edition (Resident Evil: Revelations)
Biohazard: Revelations - Unveiled Edition Demo (Resident Evil: Revelations Demo)
NPJB00135 Biohazard Code: Veronica (Resident Evil Code Veronica X)
NPJB00174 Biohazard: Umbrella Chronicles (Resident Evil Code Veronica X)
BLJS10091 Big 3 Gun Shooting (Time Crisis: Razing Storm)
BLUS30339 Castlevania: Lords of Shadow (Move to playable)
BLJM60240 Hakuouki Junsouroku (BLUS31187 Hakuoki Stories of the Shinsengumi) (Same Game)
BLJM61267 Kagero: Mou Hitori no Princess
Dead Island: Riptide (Disk ver to playable)
[NPUB30685] Kane & Lynch 2: Dog Days (Playable)
NPEA90041 Killzone 2 Behind the Bullet (Playable)
BLES01074 London 2012
BLJM60447 Ninja Gaiden 3
NPJB90446 Max Anarchy Demo (Anarchy Reigns)

[FlexBy420]

[NPEA00154] [NPUA80292] Gravity Crash - US is listed as demo but it's a unlock type game
[NPEB00988] Rock Band Blitz - Also a unlock type game so just needs "Trial Version" removing
[BCJS30011] [BCES00068] [BCUS98115] Everybody's Golf 5 (Hot Shots Golf: Out of Bounds | Everybody's Golf: World Tour)
[NPJA90024] [NPEA90023] [NPUA80138] Everybody's Golf 5 Demo
[NPUA80765] [NPEA00335] Everybody's Golf 5 Complete Collection - All 3 needs merge + region titles
[NPUA80104] Toy Home - Unlock type game
[BLES01772] Assassin's Creed: Revelations + Assassin's Creed: Brotherhood - This should be separated, according to redump brotherhood uses NPEB00600
[BLES01246] Cars 2: The Video Game - Merge
[BLES01396] [BLUS30782] Dark Souls - Merge
[BLET50006] Dark Souls 2 Network Test - Not sure about BLET ID since despite using blu-ray ID most of those were released digital
[BLJS10250] Kidou Senshi Gundam Extreme VS Full Boost - English title would be nice Mobile Suit Gundam Extreme VS Full Boost
[BLJM61333] Nobunaga no Yabou: Souzou - Sengoku Risshiden - English title would be nice Nobunaga's Ambition: Sphere of Influence - Ascension

[FlexBy420]

[BCES00938] [BCUS98135] SOCOM: Special Forces - Merge, has 2nd title SOCOM 4: U.S. Navy SEALs
[BLJM61072] Eiyuu Senki: The World Conquest - Disc ID needs to be unmerged from PSN IDs
[BLUS30058] [BLJM60018] Dynasty Warriors: Gundam - Merge
[BLAS50710] [BLJS10270] Mobile Suit Gundam: Side Stories - Merge
[BLES02057] [BLJM61140] Dynasty Warriors: Gundam Reborn - Merge
[BLJM60222] 2010 FIFA World Cup South Africa - Merge
[NPEB02458] [NPUB31842] 99Vidas - Merge
[BLUS31425] [BLJM61105] Akiba's Trip Undead & Undressed - Merge (Akiba's Trip 2)
[NPUB90175] [NPEB90117] Alone in the Dark: Inferno Demo - Merge
[BLJS10224] Arcadias no Ikusa Hime - English title Battle Princess of Arcadias
[[NPEB00724] [NPUB30583] Battlefield: Bad Company 2 - Merge
[BLJS10013] Call of Duty 4: Modern Warfare - Merge
[BLES00457] Call of Duty: World at War - Merge
[BLES01047] [BLUS30339] Castlevania: Lords of Shadow - Merge?
[BLES00124] Skate - Merge
[NPHB00080] Skate 2 Demo - Merge?
[BCJS37009] Beyond: Two Souls - Merge
[NPUB90055] [NPEB90018] Sega Rally Revo Demo - Merge (Sega Rally in EU)
[BLES01937] [BLUS31277] WWE 2k14 - Merge
[BLJM60043] The Godfather The Don’s Edition - Merge
[NPEB00843] [NPUB30685] Kane & Lynch 2: Dog Days
[NPEB90233] [NPUB90385] Kane & Lynch 2: Dog Days Demo
[BLJM61262] Winning Post 8 - Wrong title on the list, should be Winning Post 8 2015
[NPEB00856] [NPUB30579] Sonic Adventure 2 - Merge, unlock type game
[BLJM61001] Metal Gear Solid HD Collection - Merge with other IDs
[BLJM61108] The Walking Dead: A Telltale Games Series - Merge with other IDs
[NPUB31244] [NPUB31569] Assassin's Creed: Liberation