Rookie (achievement)
From Halopedia, the Halo wiki
Rookie
Rookie is an achievement in Halo: The Master Chief Collection. This achievement is obtained by completing every Halo 3: ODST level on easy.
From Halopedia, the Halo wiki
Rookie is an achievement in Halo: The Master Chief Collection. This achievement is obtained by completing every Halo 3: ODST level on easy.