RoadKill Remake's Game Jolt page: https://gamejolt.com/games/roadkillremake/548036

To install:
1.) Extract the .pak files from POD_-_Beltane.rar
2.) Go to where you've installed RoadKill Remake and place the files in "RoadKill Remake\data\Mods"
3.) Go to "Mods" in the main menu and make sure the map is enabled
4.) The map will now be available when hosting a multiplayer server (make sure all players have the mod installed!)