Top similar games like Niji Protocol:

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!

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.

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!

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.

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.

Miles Edgeworth's dramatic turnabouts take center stage! Experience both Ace Attorney Investigations games in one gorgeous collection! Investigate crime scenes and solve tough, intriguing cases through logic and deduction. When Edgeworth's past and present collide, his future begins!

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.

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.

Enjoy the 2nd chapter of the Mystery Box game series! Unlock 57 boxes by solving tons of intriguing puzzles that will put your brain to work!

Mind Diver is a romantic detective adventure game. You are a Mind Diver, an investigator who restores memories by diving into minds. Your client is a woman who needs help remembering a fateful party to find her missing boyfriend. Explore an ocean of memories and solve the mystery of a broken heart.

欢迎来到温泉岛，我是您的私人向导。您听说过……勃艮第古堡吗？那里是欲望与邪恶滋生的黑暗角落，那里有超出认知的生物和违反人性的生存规则。准确说，那里是另一个世界，由贪婪，欲念构成的炼狱……最后，请您一定要警惕每一个出现在勃艮第古堡里的人。祝您旅途愉快。

Legends of the past come back to life in this charming point-and-click adventure. Pack your bags and journey with Crowns and Pawns: Kingdom of Deceit through modern day Europe to uncover the conspiracy behind a cursed relic and the secrets of the King who was never crowned.

The chart-topping itch.io and Newgrounds indie hit comes to Steam, with a slew of enhancements and new features! Step into court as Nina Aquila, rookie defense attorney in this thrilling VN/adventure game hybrid, and fight for justice in a world where all anime genres exist at once!

In this classic Investigative Mystery game, you are hired to find the truth behind Mr. Grady's untimely death. Explore 40+ areas, compile a multitude of evidence, and interview over 30 unique characters to assist you in your search for answers. Do YOU have what it takes to crack the case?

Famous detective Kosuke Kindaichi's first case, the Honjin Murder Mystery. Honjin descendant Kenzo Ichiyanagi and his new wife Katsuko Kubo lay dead in a bed of blood on the night of their wedding. Kosuke Kindaichi searches for the truth about this locked room murder mystery. However...

The ideal corporate city has fallen after a global data breach. The terrible secrets of its citizens became known to everyone. Lives were ruined. You must return peace to this city: make the criminals answer for their actions and, perhaps, find out the cause of the global failure.