Halo 3 ODST :Endure and more

Hello, i used to play on og 360 but after Halo 4 my group of mates got separated and many of them are offline since then or moved away from Halo . So are there any players who want to complete seasonal challenge endure ?and many more Challenges like campaigns missions or even vidmasters? If so then message me and i would like to join my GT is BeadyBuffaloSVK