The document provides tips for designing an alternate reality game (ARG) in 10 steps: 1) form a team, 2) brainstorm the theme/story, 3) choose game verbs, 4) make a media plan, 5) design collaboration tools, 6) set a launch/end date, 7) assign roles, 8) make a timeline, 9) create content, and 10) decide who to invite. It also lists 4 secrets to an awesome ARG: make the mission clear, help players showcase skills, encourage social interaction, and highlight player contributions.