"Multiplayer mode" refers to a feature in a video game or other interactive activity that allows multiple people to play together, either online or in the same room, using multiple controllers or devices. Full definition
These can be done as single player affairs against an AI opponent or online in multiplayer mode against real people. (gameindustry.com)
The game features a single - player and co-op modes, as well an online multiplayer mode in which you can your friends or other online players. (vrgamesfor.com)
If you don't fancy playing the game in single player then the game offers you a healthy offering of multiplayer modes for you to sink your teeth into. (metacritic.com)