Curious what King of Vikings actually feels like to play? Here's our full, no-fluff take. Built by NGM Game, it lands as a slot game with medium variance and 95.48% RTP. You get 20 paylines across 5 reels, all built with crisp artwork and atmosphere. Expect a hit frequency around 30%, which sets the rhythm of play. The maximum win sits at 5,000x, so there's serious upside on the table. The full verdict is below.
Written by Emma Roberts · Last updated: January 2026
King of Vikings comes to us from NGM Game, built with crisp artwork and atmosphere. It runs on 5 reels and 20 paylines with a medium volatility profile, and 95.48% RTP.
Dig into the bonuses and King of Vikings starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. Its medium variance balances steady wins with the odd larger payout. On balance, King of Vikings is a dependable option worth a few spins in the demo first.
At 95.48%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
A balanced volatility profile with a mix of smaller frequent wins and occasional larger bonus payouts. Suitable for players who want steady action without extreme swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
King of Vikings features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
King of Vikings by NGM Game is a solid offering that delivers good entertainment value. The 95.48% RTP combined with medium volatility creates a well-balanced gaming experience.