Some anime mysteries politely invite you to solve the case. Others lock the door, rearrange the furniture, and reveal that the detective was secretly a time traveler. Those are the shows we are celebrating today. The best mystery anime with plot twists make us question the world, the characters, and our ability to notice obvious clues. This ranking stays spoiler light, because ruining a great twist should be punishable by endless recap episodes. 12. Another Another begins with the familiar horror setup of a transfer student arriving at a suspiciously gloomy school. Everyone behaves strangely, one quiet girl seems to be ignored by the entire class, and the atmosphere practically screams that the school’s guidance counselor should have resigned years ago. The mystery surrounding Class 3 3 unfolds slowly, with every clue making the situation more disturbing. The final revelation is memorable, even if the road there contains enough unfortunate accidents to make umbrella ownership feel dangerous. 11. ID: INVADED Imagine entering the fractured subconscious of a murderer to investigate a crime. Now imagine doing that repeatedly while being guided by bizarre symbolic landscapes and a mysterious dead girl who appears in every case. That is the basic appeal of ID: INVADED , a science fiction detective story that gets stranger the deeper it goes. The larger conspiracy is where the show really hooks you. Identities, motives, and the technology itself become part of the puzzle. It is stylish, fast moving, and ideal for viewers who like detective stories with psychological damage. 10. Erased Erased sends struggling manga artist Satoru Fujinuma back to his childhood, where he must prevent a series of kidnappings and murders. The time travel concept is simple, but the emotional stakes are enormous because Satoru is not merely hunting a criminal. He is trying to save classmates whose suffering adults failed to notice. Some viewers may identify the culprit early, but the real tension comes from whether Satoru can change the past. Its snowy setting, childhood friendships, and constant danger make it incredibly easy to binge. 9. Pluto Based on Naoki Urasawa’s reimagining of an Astro Boy story, Pluto follows robot detective Gesicht as he investigates the murders of the world’s most advanced robots. Each victim is connected, but the case quickly expands into a much larger mystery involving war, memory, grief, and political manipulation. Pluto carefully reveals the human tragedy behind its conspiracy instead of relying on random shocks. The answers hit hard because the characters feel real, even when many of them are machines. 8. The Promised Neverland For the purposes of this recommendation, we are talking about The Promised Neverland Season 1 , a nearly perfect suspense story that absolutely did not require anyone to rush through the material afterward. Moving along. The first episode transforms a cheerful orphanage story into a tense battle of intelligence. Emma, Norman, and Ray must uncover the rules of their prison while pretending everything is normal. Every smile becomes suspicious, and checking under a bed feels like a military operation. 7. Higurashi: When They Cry At first glance, Hinamizawa looks like a peaceful rural village filled with festivals, friendship, and adorable club activities. Then someone starts behaving strangely, violence erupts, and the story appears to reset. Higurashi: When They Cry turns repetition into a mystery, asking why similar tragedies keep occurring and what invisible force connects them. The early confusion is intentional. Each arc provides another piece of the truth, changing how you understand events you already watched. Higurashi rewards patience with a satisfying puzzle wrapped in horror, paranoia, and heartfelt friendship. 6. Heavenly Delusion Heavenly Delusion splits its story between two mysterious settings. In one, children live inside an isolated facility protected from the outside world. In the other, Kiruko and Maru travel through a ruined Japan filled with monsters, abandoned cities, and people who are frequently more dangerous than the monsters. The anime plants visual clues, parallel events, and suspicious details that gradually reveal how its stories may connect. Some revelations are subtle; others reframe entire characters. It practically demands a discussion thread after every episode. 5. Summer Time Rendering When Shinpei returns to his island hometown for a funeral, he learns that the death may not have been accidental. Then he discovers shadow creatures that can copy people, a repeating time loop, and a conspiracy threatening everyone on the island. His quiet homecoming becomes an increasingly complicated supernatural chess match. Summer Time Rendering stands out because the heroes and villains both learn from each loop. Plans fail, information changes hands, and victories create new problems. The story keeps escalating without abandoning the original mystery, delivering clever reversals while still finding time for emotional character moments and spectacular action. 4. Steins;Gate The first half of Steins;Gate can feel like a group of eccentric friends messing around with a microwave and accidentally inventing a terrible idea. That relaxed opening is exactly why the second half hits like a truck driven by causality itself. As Rintaro Okabe experiments with sending messages into the past, small changes begin reshaping reality. The mystery is not only how time travel works, but what has changed, who remembers it, and whether certain consequences can be undone. The twists become increasingly painful because the series makes you care deeply about its ridiculous, lovable cast before everything collapses. 3. Attack on Titan Yes, Attack on Titan is packed with giant battles and people shouting dramatically from rooftops, but its real engine is mystery. What are the Titans? What lies beyond the walls? Why does the government hide information? Why does someone always decide to reveal horrifying family history at the worst possible moment? The series spends years planting questions and answers them in ways that transform everything. Early scenes gain new meaning, enemies become complicated, and the conflict grows far beyond what the first season suggests. 2. Monster Dr. Kenzo Tenma saves the life of a young boy named Johan Liebert, only to discover years later that Johan has become a terrifying manipulator linked to a trail of murders. Tenma begins pursuing him across Europe, hoping to understand the monster he once rescued. Monster is a slow burning psychological mystery built on identity, trauma, memory, and moral responsibility. Johan is frightening not because he possesses supernatural powers, but because he understands people well enough to destroy them with a few carefully chosen words. The story constantly introduces new witnesses and hidden histories, gradually exposing the conspiracy that shaped him. 1. Odd Taxi A quiet walrus taxi driver discussing Bruce Springsteen with an alpaca nurse does not sound like the setup for anime’s tightest modern mystery. That is precisely how Odd Taxi gets you. Every passenger, radio conversation, missing person report, comedy routine, and social media argument eventually connects. Details that initially feel like random background jokes become essential clues. The dialogue is sharp, the cast is wonderfully flawed, and the final stretch pays off threads most viewers forgot were even threads. Odd Taxi earns the top spot because its twists are not merely surprising; they are fair. The evidence hides in plain sight while unusual character designs and deadpan humor distract you. Rewatching it feels like discovering another show. Which Mystery Anime Should You Watch First? For a short, perfectly constructed puzzle, start with Odd Taxi . For a darker psychological epic, choose Monster . If you want supernatural suspense with constant momentum, Summer Time Rendering is the easiest recommendation. Viewers who enjoy massive world building revelations should go directly to Attack on Titan , while anyone craving emotional time travel pain can confidently ruin their weekend with Steins;Gate . The greatest mystery anime understand that a twist is not powerful simply because nobody predicted it. A great twist makes everything before it click into place. It turns background details into evidence, casual dialogue into foreshadowing, and the innocent opening theme into something that suddenly feels deeply suspicious. Just remember the most important rule of mystery anime fandom: never search a character’s name until you finish the series. Autocomplete has no mercy.