Mystery

PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

Visual novel loved by many – Everlasting Summer – now on Steam!

Face off against the bridge troll in his bizarre game of chess! Decrypt, Twist and Enforce the rules as your devious opponent attempts to break them in King of the Bridge!

He is a bandit who sells lives. She is a mute girl seeking revenge. In a famine-ravaged ancient China, a ruthless trafficker escorts four girls to a demon's feast. But when a deadly secret is revealed, a cold transaction turns into a journey of redemption. A dark visual novel about an unlikely bond.

Explore the ancient, mysterious world of Journey as you soar above ruins and glide across sands to discover its secrets.

The Stanley Parable: Ultra Deluxe is an expanded re-imagining of 2013's The Stanley Parable. You will play as Stanley, and you will not play as Stanley. You will make a choice, and you will become powerless. You are not here to win. The Stanley Parable is a game that plays you.

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.

NIGHT IN THE WOODS is an adventure game focused on exploration, story, and character, featuring dozens of characters to meet and lots to do across a lush, vibrant world.

First-person puzzler you can play solo or in an online co-op. Explore a set of highly interactive escape rooms. Move furniture, pick up and examine everything, smash pots and break locks! Play thousands of community-made rooms through the level editor.

Play as Sam and fish to your hearts content, sell fish you've caught, collect better gear, and use it to explore the depths of the mysterious lake, but be warned as no one knows what lies at the bottom. Wretched Depths is a PSX-style horror fishing game created by students at the University of Utah.

Strange Horticulture is an occult puzzle game in which you play as the proprietor of a local plant store. Find and identify new plants, pet your cat, speak to a coven, or join a cult. Use your collection of powerful plants to influence the story and unravel Undermere’s dark mysteries.

The Past Within is the new co-op experience from Rusty Lake! Play together with someone you deem trustworthy: one in The Past, the other in The Future. Observe and communicate what you see around you. Solve the puzzles and uncover Albert Vanderboom’s plan.