best slot provider if you want games that feel genuinely different?

so i’m mostly on blackjack and sports bets, but lately slots have been pulling me in. problem is, a lot of them feel like the same old stuff with just different skins, like watching a football team run the exact same play every down. maybe i’m not playing the right ones, but i keep hoping for something with legit unique features or bonus rounds, not just another free spin with a twist.

i’m not looking for max volatility or just the biggest win potential, more like games where the mechanics actually surprise you or get you thinking a bit, kinda like when you hit a weird side bet in blackjack and the whole table wakes up. does anyone have a favorite provider or dev where you actually notice a fresh take every so often?