Underground is a liminal-space-based psychological horror game where you must escape from Seoul Subway Line 5. Investigate your surroundings and solve puzzles. Do not lose your sanity. Survive the unseen.

You open your eyes in a pitch-black subway. The train keeps moving, and there isn’t a person in sight. Everything is unclear. Yet one thing is certain: you must get out of here<h2 class="bb_tag" >Explore your surroundings and find clues to escape </h2>Underground is built around point-and-click mechanics, letting you collect and combine items just like in classic escape room games. In this game, you can shift your view from car 1 all the way to car 0 (car 8), examining the objects around you in each one.<h2 class="bb_tag" >Solve the scattered puzzles </h2>Using the information you gather while exploring, you'll manipulate objects to solve puzzles. These puzzles are often surreal and require flexible thinking. But don't worry too much — you have the Ring of Wisdom.<h2 class="bb_tag" >Survive the anomalies</h2> Strange things happen in Underground. Do not lose your sanity. You are the only one here — or so it seems. Find a way to cope. Escape this place.

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Underground : Subway Escape Achievements