I don't think there is a "specific" type of gambling that's more addictive than the other. It really goes down to personal preferences and what triggers the gambling urge in an individual. But just like a drug addict might not be picky about their substance of choice, a gambling addict could be drawn to any form of gambling that's accessible to them. However, yeah, there are some types of gambling that are designed to be particularly "enticing". Look at the Slot machines. They often feature captivating sounds/music, and animations that create an exciting atmosphere for the gamblers. They also give players the illusion of "near-wins" and make them feel like they're just close to winning a big jackpot, encouraging them to keep playing.
The OP is not asking what specific game is more addictive but rather what specific game which is being played by most of the gambler. It’s very easy to determine this since casino games have different characteristics and you can easily spot which is the most popular upon every players due to its promotion in the casino.
I think everyone will agree that Slot games has the most number of players using it in daily basis compared to the rest of the casino games. Sportsbook is indeed popular but it’s not addictive due to its time of waiting for the result.
Slots is also the game which being market hard by the casino because they knew gamblers really like jackpot type game even with the use of small bet.
Yes, the truth is, you haven't said everything, because whenever there is emphasis on which game is better, or the one you like the most, it is different for each one of them, for example, when I am in a casino I always like to play any type of game. thing, for example when I'm in the online casino I like to play slots much more, but when I'm in physical casinos I like to play roulette, the reason? I don't know, I think I have more opportunities to play and win on the roulette than in the physical slot itself, maybe they are my myths, it could be, but I feel that it is like that, as for the most popular games I think about it, ago a long time, more than 5 years ago I saw that the majority of players were looking for classic games like poker, roulette, among others, which are the ones we have always known, but from one moment to the next, slots became very popular, this Due to the low influx, almost in the casinos there were no PVP poker options, or black jack PVP mode, I think that is why they are now dominating the slots more.
Now the boom in slots is quite big, in every casino we see that there is a very wide variety of slots, from all possible providers, and this is something that many like, so I think something, all those fans of the For poker that they like, great emotions have been given by the slots and it is something that I understand, they are very nice and have great options to make a lot of money, although you have to know how to play because the slots, if not played properly, will You can lose a lot of money, and it is not the idea either, for that reason you have to play with great restraint and do things well, because not only in the slots but in any casino game because you can see how it is controlled, but it is always better to take the money willing to lose and count only on that to avoid unpleasant surprises because that has to be measured very well, of course it is my advice always and obviously after spending what you have for the game, not deposit more, because otherwise, that's it where problems arise.