Player 1's suit is green, player 2's is indigo, player 3's brown and player 4's red. The players are made distinct from each other by altering the suit color of each player. Vanilla Doom has support for up to four players in multiplayer games. Cooperative play is the default game mode if deathmatch mode is not explicitly specified at the command line.īecause the players are not adversaries under coop rules, they are visible on one another's automaps, and each can even 'look through the eyes' of his companions (perhaps inspired by Electronic Arts' 1993 tactical game Space Hulk), though their status bars cannot be viewed. Cooperative gameplay, often referred to as co-op or coop, is a multiplayer game mode in which human players cooperate against a given game's monsters.