The token value of casino games is generally stable or down trend. Its price tends to fall in bearish markets but does not rise much in bullish markets. As a result, those who are large investors are not very interested in investing large amounts in these tokens. However, the demand for tokens from casinos that are well established. The big investments are expected in these tokens in the next few years. The token price of well-established casinos will be increased.
Most of these tokens were created during the bear run, which is why we haven't seen their full potential just yet. We need to wait to see a bull run and how they will do during that bull run. You are saying they do not go up much during bull run but we haven't had a proper bull run (like we break over ATH) since these were created, so I am not expecting them to stay the same level during that period.
I am not claiming that they are going to be fine or anything like that, all I am saying is that it is not going to be that easy for us to see if they will do well or not, we need to wait and we are going to do a lot better in the long run for sure.
The next coming bull run might give some light to all those investors who bought their assets during the heavy downfall, crypto industry will bounce back and all those tokens and coins that are still surviving might experienced good bounce up, and like what you said there's no assurance but a hope we might see all these casino tokens to also experienced good bounce and provide a good amount of profits to all those who believe and support the project.
Waiting game for investors who understand the concepts and are willing to wait for a big market pump.
Nothing is sure, but the chance is always possible when the project developers continue to work with their coin.