To start your game, head over to the Start & Stop tab in the Game Manager
Starting your game will switch it to LIVE, instead of DRAFT mode. In LIVE mode your game is open for participants to begin completing missions. Participants will only have access to the missions in your game while it is LIVE.
If you're using Automatic Start & Stop, your game will automatically switch from DRAFT to LIVE at the date and time you've entered. If you're using Manual Start & Stop, you'll need to enter a duration time (i.e. 6 hours, 30 minutes) before you're able to press the Start Game button.
Full details on launching a game to your participants can be found here.