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Crash game on the internet is more fun than Slots and I am not even lying, you won't believe this until and unless you experience that in real life.
Waste of money and time, for sure.
Thing with crash game is that it comes with a feeling of regret, which rarely happens on slots. With slots, only regret you have is if you had only put bigger bet, or if you only had left the casino early with the profit.
With crash game that happens practically with every game. If you don't play with fixed exist odds, then you regret cashing out when it moons, or not cashing out when it crashes. Slots are taking away your regret for these decisions. And that makes them 100x more relaxing to me.