I don't boost, 100% legit. If you cheat, it's sad. It's not an achievement if you did not achieve.
*after big oof on that one..
Complete any mission with the maximum number of Skulls active - Halo: Spartan Assault (Win 8)
Death is another beginning. - Neon Abyss
Complete Operation A - Halo: Spartan Assault (Win 8)