Guitar Hero: Metallica on PS2 — Requires Guitar Controller
You cannot play Guitar Hero: Metallica on PlayStation 2 with a standard DualShock 2 controller.
Why
Game Design: The entire gameplay loop (fret buttons, strum bar, whammy bar, star power tilt) maps 1:1 to the guitar peripheral
No "Controller Mode": Unlike Rock Band (which allows "No Fail" + standard controller for vocals/drums practice), GH games require the guitar for any note highway interaction
Button Mapping Impossible: 5 Fret Buttons + Strum Up/Down + Whammy + Tilt ≠ 14 buttons on DS2 (and no analog strum/tilt)
🎸 What You Need
PS2 Guitar Controller: Gibson X-Plorer (GH1/2), Kramer (GH3), Gibson Les Paul (WT/Metallica/SH), Generic USB (PS2/PS3 compatible)
PS3 Guitar on PS2?No. PS3 guitars are USB but use different protocol. PS2 guitars are proprietary connector (or USB dongle for WT/SH)
Wii Guitar on PS2?No. Wii guitars use Wii Remote expansion port (I2C)
🛒 Buying in 2024
eBay / Mercari / Facebook Marketplace: "Guitar Hero PS2 Guitar" — $20–$40. Test strum bar clickiness & fret button return
Clone Hero (PC) Alternative: If you have a PC, buy a Wii Guitar + Raphnet/TinyUSB Adapter ($15) → Play Clone Hero (free, 50k+ custom songs, Metallica included). Best experience
Bottom Line: No guitar = no play. Borrow, buy used, or switch to PC/Clone Hero.