How to unlock all weapons in Metal Gear Solid Delta

Metal Gear Solid Delta: Snake Eater presents a test of skill. Players explore various tactics, from stealth to guerilla warfare. The game encourages exploration to find weapons. The MK22 and Survival Knife are key for stealth. The M1911 is in Dremuchij North. Stronger weapons like the M37 shotgun are hidden in Rassvet.