Step 1. Make a custom role that is completely stupid overpowered

Step 2. Change the icon to the last icon for whatever side that role is on, to a role that already exist which it will take the place of

Step 3. Use the same exact format as a regular sandbox lobby game, except switch the role which icon you stole, with your custom role

Step 4. Change the name of the game to the name of the popular setup you jacked