How NetEnt's Sticky Wild Mechanic Changed the Industry

https://netentproen.tearosediner.net/netent-megaways-slots-dead-or-alive-megaways-review

How NetEnt's Sticky Wild Mechanic Changed the IndustryWhen NetEnt introduced sticky wilds in the original Dead or Alive in 2009, the mechanic became one of the most imitated features in slot design history