| Feature | GH2 PS2 ISO (emulated) | Clone Hero | | :--- | :--- | :--- | | Authentic note charts | ✅ Exact original | ❌ Community charts vary | | Retro feel & UI | ✅ Full nostalgia | 🟡 Customizable but different | | File size | ~1.2 GB CHD | ~500 MB for songs | | Guitar controller support | ✅ (via USB adapter) | ✅ (Native) | | Online multiplayer | ❌ No | ✅ Yes |