Quake II was the first title the developer showed running on PS5X for Xbox Series X. It is the best-documented title in the compatibility list — and the reference point for what "playable" means in an experimental emulator.
| Status | Playable (demoed) |
| First shown | September 8, 2026 — developer demonstration |
| Frame rate | Roughly 20–45 FPS, with dips below 20 FPS in heavier scenes |
| Resolution | No verified internal resolution published yet; output follows the console's display settings |
| Audio | Working in the demo footage |
| Controller input | Working — Xbox controller buttons mapped (A = Cross, B = Circle, X = Square, Y = Triangle) |
| Build referenced | KytyPS5 for Xbox 1.1.26291.1739 |