File: Lost.horizon.v1.0.zip ... < PRO >

1936, primarily in the Himalayas and across three continents.

Features classic "puzzle-solving" gameplay, hand-drawn graphics, and full voice acting. Technical Details & Versions File: Lost.Horizon.v1.0.zip ...

Originally released in 2010, follows the story of Fenton Paddock, a former British soldier and smuggler. 1936, primarily in the Himalayas and across three continents

Note that a separate, unrelated VR/survival game titled Survival Nation: Lost Horizon also exists on Steam. Gameplay & Length follows the story of Fenton Paddock

Fenton searches for his lost friend, Richard, while racing against Nazis who are hunting for occult artifacts in Shangri-La to aid their quest for world domination.

While the "v1.0" in your filename suggests an initial release, the game has been ported to several platforms over the years:

The original platform, requiring roughly 6 GB of hard disk space.