The Witcher 3: Wild Hunt

Summary
Based on The Witcher books.

Geralt of Rivia called all the horses he temporarily has "Roach".

Gameplay
Roach is used to travel around the world of The Witcher.

Win horse races unlocked new saddles with higher stats (stamina and speed).

Saddlebags increase to weigth you can take.

Trivia
Roach is known for its several bugs, especially pop of nowhere.