Investigation

Enter The House of Da Vinci, a new must-try 3D puzzle adventure game. Solve mechanical puzzles, discover hidden objects, escape from rooms and dive into the authentic atmosphere of the Renaissance. Use all your wits to find out what's behind your master's disappearance.

Deepwell is a story-driven adventure game, about a small town surrounding a giant mystery hole.

Two city detectives are sent to a small idyllic town in North Carolina called ‘Silver Creek Falls” to investigate a strange series of events that the local sheriff can’t seem to get his mind around. What initially seems like an open-and-shut case unfolds into a truly terrifying mystery that will leave the detectives wondering what is...

Welcome to a world of intrigue and suspicion. Where humans and robots contend with escalating tensions and mutual distrust. And where gangster felines scheme their way to the top of the food chain. Welcome to the Tales of the Neon Sea!

Detective Inna Duke is a noir story-driven visual novel where you team up with lieutenant Inna Duke and her partner corporal Fernal to investigate the mysterious abduction of the popular streamer Oleh Hamston. But will you manage to track down the poor hamster in rainy city?

A horrific retro point and click adventure with combat

A first‑person cyberpunk horror detective story set in a decaying, neon‑scarred future. As an Observer who invades minds to hunt for clues, you will sift through corrupted memories to track down a mysterious killer and confront your own dark past.

In this Game Boy styled horror game, uncover the mystery of the Roanoke Museum of History and Wonder. Get lost in its maze-like exhibits, solve peculiar puzzles, and survive being hunted by grotesque creatures from the controversial Human Body Exhibit. Can you leave the museum alive?

The only hands-on puzzle adventure guaranteed to accurately and humanely teach Socialization to Introverts, heh heh!

Download the Friend Pass and play for free with a friend who owns the full Operation: Tango game. It takes two to save the world, but it only takes one to pay for it.

A city under curfew. A killer on the loose. You’re a delivery driver racing to finish your last run before 9 PM in a decaying apartment complex where every knock could be your last, in this PSX-style psychological horror.

A vampire and a girl... who are they?　The two of them have a secret and solve a strange case... In a world where paranormal activity takes place, "Player" solves a case in which a non-human becomes a suspect. Such a "detective adventure" is coming to STEAM.