Top similar games like Niji Protocol:

One artifact, two mysteries: when and where? Artifact Tracer is a visual deduction game about Chinese artifacts. Trace 1,000+ real artifacts across map and timeline, unlock your Archive, and compete in Daily Challenges.

An investigation and courtroom visual novel set in the electoral courts of a small Brazilian city. A first-case lawyer, a doctored campaign flyer, and a document with a date that does not add up. Two routes of around eight hours, six endings and a final act.

LumineNight is a story-driven detective adventure. Play as Detective Foster and his daughter to solve a series of murders spanning a decade. Interrogate suspects, infiltrate locations, solve puzzles, and gather evidence from crime scenes. Uncover the dark truth behind these killings.

Mohism: Battle of Words is a detective game set in the world of wuxia. The game follows Zhang Xiaochen, investigates unsolved cases and comes into his own as a hero. He must rely on his wits and razor-sharp tongue to best his opponents, find the culprit and ensure justice prevails!

You've been hired to perform exorcisms on all sorts of entities. The only thing you can't seem to understand is...why do they all haunt video games?

This choices-matter visual novel is narrative-heavy, filled with beautifully illustrated characters, intricate stories, and two distinct endings.

Staffer Retro is a mystery adventure game where you uncover past incidents related to ‘Mana’, the source of supernatural powers. Gather information through dialogue and exploration, and piece together clues found in documents to guide the choices of Verita Retro, the protagonist.

Use your psychic powers to read minds and catch an elusive serial killer!

A humor-filled whodunit detective game about two detectives who use supernatural powers to solve murder mysteries that are too difficult for the police to handle alone.

Delouse your room with sage and pack up your travel-sized ouija board, it’s time to re-enter Twin Lakes - America’s 34th most haunted city. Join Detective McQueen as he puzzles his way through 9 chilling cases, risking life and pixelated limb to solve the macabre mysteries that plague the poor town.

Seventy-eight years after the Great Collapse, the city of Belmarc stands as a beacon of civilization amid the ruins. A city where magic and technology intertwine, where humans and machines coexist. And in its depths, one Courier begins to chase the forgotten sins of the past.

Take on the role of Detective Kobayashi, the one and only genius detective who has a reputation for solving any case, however dark or difficult...if he isn't playing games at the office or awkwardly hitting on girls, that is.

A full-fledged escape game is here by HaraPeko Club! When the girl wakes up, she finds herself in a familiar apartment room. However, the door does not open. In order to get out, the girl starts to explore the room.... Make your choice and witness the end of the story with your own eyes.

Emma Riley: Dream Detective is a detective game where you must unravel an occult conspiracy spanning the real and dream worlds. Use keen observation to gather clues, carefully interrogate suspects for information, and use your logic and deduction skills to unravel the mystery!

5% of murder cases remain unsolved... it's time to open up these cases and confront the supernatural with forensic science! Solve cases by analyzing evidence and consulting with specialists. Enter a world that artfully blends 2D illustration and real-life visuals!

Grab your magnifying glass and peek inside a series of tiny dioramas filled with crimes and carefully crafted mysteries! Think outside the box and solve them all in this new brand of detective game!

Every story ever written has an alternate world that coexists with ours. When a large number of parallel universes are suddenly destroyed, Billie Beetleneck sets off on his hardest case yet in this interactive visual novel.

"Murders on Yangtze River" is an Ace Attorney-like detective game that takes you on a journey through early 20th century China as you solve a series of intriguing cases. Use your logical reasoning and deduction skills to uncover clues, interrogate suspects, and solve the mysteries.

I Am The Prosecutor is a non-linear Visual Novel about defending a cute Tomboy named Sophie where you're given just 30 seconds to make the right choice each time. Help make Sophie's case against her abusive mother and give her much needed closure.

Set in school life, “Who is the Criminal” is a text-based adventure game featuring comedian and inference elements. With inquiring suspects and debating with “evildoers”, he gathers pieces of puzzles and reveals what truly happens in every incident.

NINA AQUILA is back for her brightest, boldest, most magical adventure yet!

Investigate crimes and solve them... before they happen. Scour future crime scenes, corroborate suspects' alibis, search for incriminating evidence and uncover the truth before the culprit can get away with it.

No criminal has ever been a match for you, and everybody is looking forward to a description of your brilliant deductions. There is just one small problem. One tiny detail that makes it different this time. A mere trifle, really. This time you have no idea who did it.

Enter the burned crime scene and restore 8 cases from the past. The crime scene photos and records have been charred black, but as a cold case investigator, your deduction and forensic skills can reveal what happened. Search by keyword, reconstruct the sequence of events, and uncover the truth.

You'd think that after 20+ cases, there'd be no crime left in Twin Lakes - but that's not how crime works, rookie. Six new mind-melting mysteries await Detective McQueen and Officer Dooley - just as soon as they get the mustard out of Dooley's gun.

Hiddenverse: Ominous Opus is hidden object, match-3 storytelling adventure game about Avenlee - a young aspiring writer, who finds her friend buried in the sewers. The tragic accident is quickly revealed to be a cover-up for a murder, and it’s up to you to solve the mystery.

舞台は東京から伊勢志摩へ…… ファミコン風アドベンチャーゲームの完全新作！

Will you be the hero who brings justice to Miami Beach, or will you succumb to the shadows? The fate of Lily, Jake, and the entire city rests in your hands. Choose wisely, for the pursuit of truth may lead you down unexpected paths.

The Vigilant Villa is a plots-oriented, texts-based AVG adventure game inheriting the classic “A locked room mystery" story mode. Where the game heads towards is completely decided by player’s own deductions and choices.

In 1936, something terrible happened at Galley House. Decades later, with a strange contraption that reveals echoes of the past, you must uncover the truth behind this grisly mystery.