Information processing device and game program

A non-transitory computer readable medium having machine-executable instructions with which a computer having a storage and a hardware processor, which causes a computer to execute:

• entry processing that accepts participation registration for guest players who want to participate in a multiplayer game that meets a participation condition they themselves have specified, from among multiple multiplayer games, and accepts participation registration for a host player who invites participation in a multiplayer game that he himself has specified from among multiple multiplayer games;
• matching processing that chooses guest players who have specified a participation condition that is met by the multiplayer game specified by the host player, from among the guest players who have undergone participation registration, when the host player participation registration has been accepted, and matches up said host player with the guest player specified by the host player from among these chosen guest players;
• and
• game progress processing that controls the progress of the game so that the matched-up host player and guest player can simultaneously play the multiplayer game specified by the host player.