Here's the download links for the map and game mode:

Map: https://www.halowaypoint.com/en-us/...heeseJam_3f28e1f3-55c8-4be9-aa00-07825641d708

Game Mode: https://www.halowaypoint.com/en-us/...heeseJam_cada09c1-5d88-40c4-b3be-14b60ee867c0