i found it when i was trying to do my Sub 3 hours Halo 3 Legendary run with friends. It was super handy for tracking it. I’ve also found the MCC Achievement Tracker pretty handy. It’s made collecting my 477/700 achievements just a little bit easier.

Good luck with CE Laso by the way. I did the first 2 levels with a friend and got stumped on the third, i know how hard it can be