Not much is known about the series aside from what little can be gleaned from the scant details emerging, but it’s been reported that the actors have the option of a second season written into their contracts. Even though this is fairly standard practice, it still suggests the possibility of more of the show to come at a later date.
Apart from such vagaries, there’s also the company formed for the production to consider: Limbo Productions I LLC. The existence of a separate legal entity is not in itself unusual, but the use of the Roman numeral I would suggest plans for a Limbo Productions II LLC and III etc., depending on how long the show lasts. The numbering system is typical of productions that receive follow ups and sequels,