
Porsche 718 Spyder RS @ Silverstone 1967
Ultra rare
Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.
Rates and award counts were last observed on Sep 20, 2026.

Porsche 718 Spyder RS @ Silverstone 1967
Ultra rare
Porsche 911 GT1 (1998) @ Silverstone GP
Ultra rare
Porsche 911 GT1 (1998) @ Silverstone GP
Ultra rare
Porsche 911 GT1 (1998) @ Silverstone GP
Ultra rare
Porsche 911 GT1 (1998) @ Silverstone GP
Ultra rare
Porsche 962c Long Tail @ Zandvoort
Ultra rare
Porsche 962c Long Tail @ Zandvoort
Ultra rare
Porsche 962c Long Tail @ Zandvoort
Ultra rare
Ferrari 330 P4 @ Spa
Ultra rare
Ferrari 330 P4 @ Spa
Ultra rare
Ferrari 330 P4 @ Spa
Ultra rare
Recording sounds of a BMW M4 Akrapovic @ Vallelunga
Ultra rare
Recording sounds of a BMW M4 Akrapovic @ Vallelunga
Ultra rare
Recording sounds of a BMW M4 Akrapovic @ Vallelunga
Ultra rare
Porsche 962c Short Tail @ Spa
Ultra rare
Porsche 962c Short Tail @ Spa
Ultra rare
Porsche 962c Short Tail @ Spa
Ultra rare
Porsche 718 Cayman S @ Vallelunga Club
Ultra rare
Lamborghini Sesto Elemento @ Imola
Ultra rare
Lamborghini Sesto Elemento @ Imola
Ultra rare