Even though they have a crash game only at this moment, they might add other games in the future. We don't know the possibility. But it will depend on user experience. Moneypot claims it's providing the lowest house edge Crash game at this moment.
They wont, or else there is no point on using that name. The name 'moneypot' is probably one of the trademark for crash game back then so if they want to add another game then its totally pointless.
Anyone that started gambling with bitcoin 5-10 years ago is pretty familiar with the name 'moneypot' and its an own brand for a simple crash game. Imagine checking in 'moneypot' only to find that there are slots or whatsoever in there, feels pretty weird