Following IDs are the IDs not present on the fumbbl game page. It allow for testing games to be found. Click to spectate and note the ID if you reach the testing game you are looking for.
colors code: BLACK = 5 next IDs to be set, if you just launched your game, your Id can be one of those GREEN = regular fumbbl games, you don't need this page to spectate those game, go back on fumbbl RED = hidden IDs, if you launched your game not to far ago, your ID may be one of those.