RTP
96.24%
Minimum stake
0.20
Slot category
Video Slots
Volatility
High
Reel count
6
Progressive jackpot
No
Popularity
Maximum stake
10
Provider
BetDigital
Bonus features
Yes
Ways to win
117.649
Theme
Game Show
Who Wants to Be a Millionaire Megaways slot game online
Who Wants to Be a Millionaire online slot draws on the globally recognised game show, combining Reacting Reels, a huge number of Megaways, an extra reel, a show-style free spins feature, multipliers, and lively animation. Fans may enjoy this high-variance BTG release.
Theme and story
This video slot takes its theme from the popular television knowledge and question show, first launched in the UK in 1998 before spreading around the world. Its reels place you inside the Who Wants to Be a Millionaire studio, where spins pursue free spins awarded through familiar calls for help from a friend or the audience.

Graphics, audio and animation
Released in 2018 by a major slot developer, Who Wants to Be a Millionaire online slot presents contemporary animation throughout. That polish is apparent when the game launches and its introductory screen animation appears.
Top Casinos to Play Who Wants to Be a Millionaire Megaways:
Moving studio lights sit behind the action while the reels spin quickly, symbols burst on the reels, and gold coins stream from the screen. The presentation stays clean and orderly, with the bonus rounds adding animated scenes beyond the base game.
The slot also uses Who Wants to Be a Millionaire game-show sound effects, creating a studio-style atmosphere. Audio can be switched on or off through the menu's options tab, or with the speaker control on the interface if that control is available.
Gameplay
The layout has 6 ‘vertical reels’ arranged as a 6x6 grid, plus a ‘horizontal reel’ with 4 positions beneath reels 2, 3, 4 and 5. Because this is Megaways, it does not use fixed pay lines.
The ‘horizontal reel’ creates further opportunities for Megaways wins and contains the wild. That symbol acts as a wildcard, substituting for any of the 10 regular symbols.
Who Wants to Be a Millionaire Megaways also features ‘Reacting Reels’. When symbols form a winning combination, they explode and leave gaps, after which replacement symbols fall into those spaces. One spin can therefore produce several wins.
For symbols to connect into a winning combination, the opening symbol must land on reel 1, with the following symbols appearing on consecutive reels from left to right. A 3-symbol combination, for example, requires the same symbol to land simultaneously on reels 1, 2, and 3.
The 10 regular combinations follow this rule and consist of purple, red, blue, green, A, K, Q, J, 10, and 9 symbols. Purple gems pay for 2 to 6 symbols, while the other 9 symbols pay for 3 to 6. Each spin randomly reveals up to 6 symbols on every reel. If only 2 symbols appear on a reel, both are stacked in sets of 3.
Use the ‘Stake’ button to choose a wager, with the selected amount representing the complete bet for one spin. The menu's ‘Pays’ tab shows payouts against your ‘Stake’. Every listed combination value is multiplied by the ‘Stake’; the source example gives a ‘Stake’ of 2.00 and a combination value of 0.2 as 2.00 x 0.2 = 0.30 paid out.
Once the slot's mechanics are clear, press ‘Play’ or choose between 5 and 100 auto-spins. The auto-spin settings can stop the reels when selected ‘loss limits’ or ‘single win limits’ are reached.

Bonuses and free spins
Who Wants to Be a Millionaire online slot includes a selection of bonus features and free-spin options.
Scatter Free Spins: Landing 3 scatter symbols awards 8 free spins and opens the ‘Hot Seat Free Spins’ gamble game.
Hot Seat Free Spins: This gamble feature decides how many free spins are awarded. Lifelines are available during the gamble: 50/50 removes 2 incorrect answers, while Phone a Friend and ‘Ask the audience’ essentially provide the answer. The maximum is 50 free spins.
The prize ladder has 12 rungs: 8, 10, 12, 14, 16, 18, 20, 22, 25, 30, 40, or 50 free spins. Landing 3, 4, 5, or 6 scatters starts you on rung 1 with 8 free spins, rung 2 with 10 free spins, rung 3 with 12 free spins, or rung 4 with 14 free spins respectively.
Rung 2 and rung 7 act as safety nets. If you reach rung 4 and lose, you return to rung 2. Reaching rung 10 before losing sends you back to rung 7’s safety net. After a return, the free spins begin; alternatively, you can avoid the gamble by pressing ‘Walk Away’ to start them immediately. Take care at rung 1, since the outcome can be 0 free spins.
Free Spins Multipliers: Whenever a combination connects during the free spins feature, the ‘reactive reels’ activate. The multiplier rises by x1 for every reactive reel.
Retrigger Free Spins: Landing 3 or 4 scatters on the ‘horizontal reel’ awards 4 or 8 additional free spins respectively.
Stake sizes, RTP and variance
The review lists a ‘Stake’ range from 0.20 to 10.00 per spin. Since variance is high, it says a profit would depend on hitting one of the bonus rounds; that result is not assured. The stated RTP is 96.24% on bets, a theoretical long-run measure rather than a promise for any individual session.
Conclusion
The review attributes potential base-game wins to the Megaways format's lack of fixed pay lines and its reacting reels, while noting that this is a high variance slot. Any profit would depend on reaching the bonus free spins feature, not on a guaranteed outcome. Fans of the show may appreciate the free spins bonus Hot Seat feature, which uses safety nets, Phone a Friend and Ask the audience to mirror the show's style within the Who Wants to Be a Millionaire slot.
With 12+ years of experience in the iGaming industry, Evan specializes in reviewing online casinos, analyzing slot games, and evaluating player safety. Their expertise covers casino licensing, RTP, volatility, bonus conditions, and withdrawal policies. Through hands-on testing and independent research, Evan delivers transparent, fact-based reviews to help players better understand gambling platforms, their features, and potential risks.
