Even before the internet came along and opened the door to seemingly endless variations, the standard version of roulette had been tweaked here and there over the years. That is how we ended up with the European, French and American versions.
Roulette has always been an adaptable game in some respects then.
Now though, developers have really let loose with in-game features, boosted payouts, bonus games and all sorts of other interesting additions and reworkings of the base game of roulette.
Each is a little different from the next, but for the most part these special features can be split into a few categories:
Some games include several one of these special features, others only include one, but all have something unique to offer the roulette player who likes to try something different from time to time.