Detective stories where "all the clues are there", the player's goal is to guess the solution, and it's possible to identify the culprit before the final reveal. Suggestions welcome.
Umineko is metafiction in which the characters argue over whether it is a fair-play mystery or a fantasy story, but per that premise, the murders are in fact compliant with whodunnit genre rules.
Toby's Nose
The Portopia Serial Murder Case
Paradise Killer
There's one element of the solution that doesn't 100% play fair (IYKYK), but for the most part it does.
Lunium
Layton Brothers: Mystery Room
Layton's Mystery Journey: Katrielle and the Millionaire's Conspiracy
Kamaitachi no Yoru: Rinne Saisei
Jake Hunter Detective Story: Ghost of the Dusk
Title case specifically.
The Great Ace Attorney Chronicles
Ghost Trick: Phantom Detective
Erstwhile
Deadline
Danganronpa Trilogy
Alternate Jake Hunter: DAEDALUS The Awakening of Golden Jazz
Color the Truth
The Centennial Case: A Shijima Story
The Case of the Serialized Killer
Banshee's Last Cry
Different port of Kamaitachi no Yoru, but enough differences to list separately.
Antony & Cleopatra: Case IV: The Murder of Marlon Brando