SiN – Fifth level – Sneaking (the stealth really isn’t great! Had to use a walkthrough!) Published June 24, 2017 at 640 × 480 in Review: “SiN” (Retro Computer Game) ← Previous Next → Yes, a stealth level! One of those boring, frustrating, slow-paced levels that has no place within a thrilling FPS game! Advertisements Trackbacks are closed, but you can post a comment.