About this game
Get free play bonus
This online slot is dedicated to Halloween; it was developed by Play’n GO and released in 2015. The playing field consists of 5 reels and 3 rows; you can choose from 1 to 50 available paylines. The volatility of this slot machine is high, so winnings occur rarely, but they are huge. The return-to-player percentage of this game of chance is below average: it is 94.59. The minimum bet is $0.5, while you can win up to $1,000,000. On this page, you can launch the demo version of the Happy Halloween slot machine to study the mechanics without making a deposit.