MW4 Stranded Guide: All Puzzle Codes & Yellow Crates [Full Guide]

Modern Warfare 4 players can unlock the Time to Crate achievement in the Stranded Open Combat Mission by cracking all 26 Yellow Supply Crate locations and solving environmental keypad puzzle codes scattered across the North Korean invasion sector. According to verified reports from Game Rant, the Stranded mission brings sandbox exploration back to Call of Duty single-player mechanics. Operators navigate ruined civilian complexes, shipping docks, and rooftop nests to locate the supply cache containers. Several fortified rooms require players to discover three-digit and four-digit keycodes etched on whiteboards, scrawled behind breakable mirrors, or broadcast over military emergency frequencies. Opening these crates secures suppressed sniper rifles, stealth recon drones, and self-revive kits, granting massive tactical advantages when dealing with alert waves of heavy infantry. Completing the full set of 26 crates registers the rare Time to Crate achievement, an essential milestone for trophy hunters pursuing platinum account status in 2026. This objective rewards systematic route clearing and methodical room breach techniques rather than pure run-and-gun combat, echoing structural mechanics seen in our breakdown of the [Star Wars: Galactic Racer Roguelike Progression [Confirmed]](/news/star-wars-galactic-racer-roguelike-features).