PGR 4
60 Achievements
1,250
Xbox 360
Arcade Chapter Complete
Complete any chapter in Arcade mode.
30
How to unlock the Arcade Chapter Complete achievement in PGR 4 - Definitive Guide
avengerRPM, Mellar
Just complete any set of 6 races in Arcade Mode. Difficulty Medal does not matter, but the chapter must be completed with all the same kind of vehicle.
