A definitive, field‑tested reference to classic console cheats, passwords, device codes, and exploits—organized by Nintendo, Sega, and PlayStation eras, then alphabetically by game for fast lookup. Includes timing‑sensitive button sequences, verified password strings, Game Genie/Action Replay code formats, and caution notes for save‑file safety and version/region differences. A Power‑On section covers emulator setup, controller mapping, and legally creating personal backups, followed by appendices for troubleshooting and terminology, making this both a quick desk companion and a preservation‑minded handbook for retro enthusiasts. Composed and formatted for large‑trim print so code blocks and inputs remain readable without clutter or filler, prioritizing authenticity and reliability throughout