Series Guides
Metal Gear Solid Series Guide: Play Order and Story Timeline
Metal Gear Solid in release order and story order, where the MSX games fit, what the Master Collections include, and how Delta fits in.
Metal Gear Solid
Stealth
How Enemy Detection Works in Stealth Games: Vision Cones, Sound and Alert States
How stealth game guards see and hear you: vision cones, detection meters, light, noise, alert phases and why a discovered body changes everything.