Ace Attorney: solve murder mysteries as a lawyer trying to prove his clients innocent. puzzles consist of spotting contradictions in witness testimony based on the evidence you have. (made by the same people as Ghost Trick)
Danganronpa: another murder mystery game, similar to Ace Attorney. 15 students are trapped in a school, and have to kill someone without getting found out to escape. once someone is murdered, everyone votes on who did it, and if the guilty party is caught they are executed. a *lot* darker than Ace Attorney