Bungie has announced closed technical playtests from its extraction shooter, Marathon. The playtests will be invite-only and will be available to players in North America and Europe between October 22 and October 28. Application for the playtest is now open to interested players.Bungie has announced closed technical playtests from its extraction shooter, Marathon. The playtests will be invite-only and will be available to players in North America and Europe between October 22 and October 28. Application for the playtest is now open to interested players.