Online Matchmaking Availability NoticePlease note that, while matchmaking servers for Antisphere are no longer available, the game can still be played via Offline Mode with one or two players. You can also invite a friend to play against you using Steam Remote Play Together. Antisphere is a PvP competitive twin-stick shooter where you compete against other players. Antisphere is a fast-paced arcade shooter where your goal is simple: blast away the competition. It’s just two ships in one arena - going head-to-head. You can customize your ship and your loadout to make sure that your loadout is optimal. Play against friends and see if you got the speed and reflexes needed to win. Antisphere is multiplayer PvP at its finest. Grab a friend and just jump in, locally or via Steam Remote Play