Into The Gloom (Emmanuel Ramos)
"Into the gloom is a first person puzzle solving horror game based on retro style graphics. It features only the black, white and red colors. Explore 9 levels to find the items to solve the puzzles. You will encounter terrifying events along your path, and must escape from "The Shadow"." - Author's description
Purchase for $2.99 on Desura (Windows, Mac, Linux)