NOTE: THIS IS MOD WORK.
Using the DOOM Snap Map tools on PC, I created a singleplayer/multiplayer survival map for the game. The map takes in up to 4 players. Each player starts on a different end of the map where the singleplayer experience starts. the level design goal was to have players push from each of their ends to the center where they would all meet to team up against enemy hordes and thats where the multiplayer side of the level begins.
Best game types for this map are: