
Porsche 935/78 @ Monza
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 935/78 @ Monza
Ultra rare
Porsche 935/78 @ Monza
Ultra rare
Lotus Exige 240R S3 VS Lotus 2-11 VS Lotus Exige Scura
Ultra rare
Lotus Exige 240R S3 VS Lotus 2-11 VS Lotus Exige Scura
Ultra rare
Lotus Exige 240R S3 VS Lotus 2-11 VS Lotus Exige Scura
Ultra rare
Porsche 917/30 @ Silverstone 1967
Ultra rare
Porsche 917/30 @ Silverstone 1967
Ultra rare
Porsche 917/30 @ Silverstone 1967
Ultra rare
BMW 1M S3 @ Vallelunga
Ultra rare
BMW 1M S3 @ Vallelunga
Ultra rare
BMW 1M S3 @ Vallelunga
Ultra rare
Porsche 911 GT1 (1998) @ Nurburgring
Ultra rare
Porsche 911 GT1 (1998) @ Nurburgring
Ultra rare
Porsche 911 GT1 (1998) @ Nurburgring
Ultra rare
Lotus Type 49 @ Zandvoort
Ultra rare
Lotus Type 49 @ Zandvoort
Ultra rare
Lotus Type 49 @ Zandvoort
Ultra rare
Lotus Exige V6 Cup @ Brands Hatch Gp
Ultra rare
Lotus Exige V6 Cup @ Brands Hatch Gp
Ultra rare
Lotus Exige V6 Cup @ Brands Hatch Gp
Ultra rare