Kojima is an established video game director as well as creator, with Snatcher, Policenauts, and the Metal Gear series under his belt.
Kojima also released Snatcher, a critically acclaimed text-based adventure, in 1988.
Kojima designed Metal Gear 2: Solid Snake in 1990, remade Snatcher in 1992, and designed Policenauts in 1994, often regarded as a sequel of sorts to Snatcher.
Snatcher and Policenauts were both considerable successes in Japan.