A good pick if you find Mega Moolah's gameplay too thin. The capped €2m Mega means you won't see 8-figure headlines, but the 5-tier structure drops prizes more often. With cascades, there is a Free Spins feature where you pick from multipliers and extra free spins, persistent wilds and transform blocks as well as a combination of all extras. Min deposit £10 and £10 stake on slot games required. If you land the WowPot jackpot, you’re guaranteed at least £2 million. Offering a total of 9 bonus features, it comes with random Wild reels and 4 free spins features.

The game features a distinctive hammer-and-shield bonus game where players use Thor’s hammer to break shields, revealing matching symbols that award Mini, Midi, or Mega jackpots. NetEnt’s Norse mythology-themed Hall of Gods completes their “trilogy” of major progressive slots alongside Mega Fortune and Divine Fortune. Players can explore different mythological settings and game mechanics while pursuing the same progressive prizes, creating excellent variety without sacrificing jackpot hunting. The jackpot game triggers randomly during any paid spin, presenting players with a 4×5 grid of coins to match. Its modern graphics and smooth gameplay make it a more polished alternative to older progressive slots, while still offering the potential for large, network-wide payouts. The game maintains a base RTP of 96.6% including jackpot contributions, making it more generous during regular play than many progressives.

For comparison, you’re more likely to be struck by lightning (1 in 500,000) or become a movie star (1 in 1.5 million) than hit a major networked progressive jackpot. These networks typically contribute between 1-3% of each wager to the progressive fund and often guarantee minimum payout frequencies or amounts. Playtech’s Age of the Gods series shares progressive jackpots across over a dozen mythologically-themed titles, allowing players to pursue the same jackpots through different game experiences. To ensure fairness, outcomes are determined by Random Number Generators (RNGs) that produce completely unpredictable results with each spin. Each game takes a predetermined percentage from every wager – typically between 1% and 3% – and adds it to the progressive fund. For example, Mega Moolah’s Mega Jackpot resets to $1 million after a win, while smaller progressives might seed at a few thousand dollars. Networked systems produce substantially larger jackpots since they collect contributions from a much wider player online casino koho base, sometimes hundreds of thousands of players simultaneously.

Bonus funds and free spins rarely apply to progressive slots, so always check the casino’s terms before playing. Because a portion of each bet contributes to the jackpot, the effective RTP of many progressives is lower than that of standard slots. Many of them also appear in our curated list of top crypto casinos, where fast withdrawals and flexible limits are a priority. Each platform features a strong selection of RTG or Rival progressive slots, along with crypto-friendly banking and bonus terms designed for frequent players. If you’re looking to chase progressive jackpots, these casinos offer the best mix of software access, fast payouts and reliable player terms. For more details on software and casinos using these games, check our dedicated Rival casinos guide. Rival jackpots tend to be more modest than RTG’s biggest payouts, but they are typically hit more frequently, making them appealing to players who prefer more achievable targets. RTG progressive slots are connected across dozens of casinos, allowing jackpots to reach substantial amounts.

Mega Fortune by NetEnt

As a result, more games contribute to the jackpot pots which makes them go even higher. In the randomly-triggered Gladiator Bonus feature where you choose from 9 helmets to reward you with bronze, silver or gold cash prizes. You then pick from shields to win extra free spins, a win multiplier up to 3x, extra wilds, Scatter Pays payouts, symbol payout boosts up to 5x and Gladiator Wild nudges. It comes with a pick-me style game for cash prizes and 50,000 x bet max wins. In terms of bonus features, there are Reactions which can give you consecutive wins. Great for those who'd rather have a real shot at a five- or six-figure win, it also comes with 4 free spins modes and 50,000 x bet max win potential. This can result in 50,000 x bet max wins.