Duskers

http://duskers.misfits-attic.com/

A command-line horror game in which salvage drones are directed around derelict spaceships. There’s a great sense of achievement to surviving and mastering game elements.

Genre: Strategy/Puzzle.
Platforms: PC.
Difficulty: Challenging (if you intend to stay alive).
Age-related suggestions: For teens+ who can still type quickly while being chased by terrifying monsters.

Consider consulting detailed reviews before purchase.