Steam is offering a three-day free-to-play window for Metal Gear Solid 1, allowing players to attempt its highest “Big Boss” rating without purchasing the game. The limited promotion matters because the rank demands an exceptionally disciplined playthrough, leaving little time for players to learn the game and meet its strict requirements.

The offer concerns the original Metal Gear Solid release on Steam and is temporary rather than a permanent giveaway. Players hoping to earn Big Boss must finish the game within the promotional period while satisfying demanding performance conditions, making the challenge especially difficult for newcomers.