Both Tubes is an achievement in Halo 3: ODST. It is unlocked when the player gets 10 kills with a Rocket Launcher during the Kizingo Boulevard mission. It is worth 5 Gamerpoints.[1]
Sources
Both Tubes is an achievement in Halo 3: ODST. It is unlocked when the player gets 10 kills with a Rocket Launcher during the Kizingo Boulevard mission. It is worth 5 Gamerpoints.[1]