Oni Mask — RTP, volatility and max win

Oni Mask from Urgent Games is built around the oni, the horned demon of Japanese folklore, whose mask watches over the reels. Swords and pink accents give the game its Far Eastern frame. Bonus icons open the free spins round, while a wild helps complete line wins in the base game.

The theme of Oni Mask comes from Japan: the horned oni mask with bared teeth is the key symbol, joined by swords and a palette where bold pink lightens the dark demon look. Urgent Games lays the masks and swords out across 5×3 reels and rows, and 20 paylines run through them. Bets start at €0.10 and peak at €50, which suits both small and high wagers. Oni Mask was released on November 24, 2022.

As Oni Mask takes its big wins from the free spins at only medium volatility, the page on volatility of inferno slots helps compare it with wilder demon games.

Its field of five reels by three rows carries 20 paylines. A payout needs identical symbols starting on the left of one of these lines, with the wild filling gaps in a combination. Bonus icons do not count for the lines; they are the key to the free spins round. The number of lines is fixed, so you only choose the stake.

In the base game Oni Mask pays on 20 paylines across masks and swords. Keep an eye on the bonus icons as well, since enough of them in one spin open the free spins.

During the free spins the reels keep turning at no cost and the wild stays in play. This is where Oni Mask pays its bigger wins, which is why the bonus icons matter most in the base game.

Since the bigger wins in Oni Mask come from the free spins round, it is worth comparing with other inferno slots with free spins.

RTP 96%, higher than 48% of the 400 Inferno slots. Background: how RTP works on a slot. Volatility Medium, like 23 of the 114 slots in the Demon theme. Background: what slot volatility means. Max win 5,500× (€275,000 at the highest stake). Background: what max win means on a slot.

The game returns 96% and caps one spin at 5,500×; roughly 61% of inferno slots stop below that figure. Medium volatility balances regular line hits with the bigger amounts from the free spins.

Because casinos can run Oni Mask at different return levels, check the figures in inferno slots ranked by RTP.

Similar to Oni Mask: more slots with demons on the reels, medium-volatility maths as well as a very similar RTP.