• Free Spins Feature gives players a chance to win big without having to spend any money. Big multipliers and bonuses make Mega Vault Millionaire an enthralling new game. ONLY 25c per spin, means you don't need to risk much to win BIG! Every spin can trigger the Bonus Vault Wheel.
  • Bonus Terms The welcome bonus from Zodiac Casino is organized in a special way. Players receive a €/$/£ 20 bonus with a first deposit of €/$/£ 1, which can be converted into a total of 80 bets on a progressive jackpot slot, example: Mega Vault Millionaire, Mega Moolah, Major Millions etc., giving you an 80-fold chance of becoming a millionaire.

If you are looking for the BEST progressive slot game for online casinos, you have come to the right place. Mega Vault Millionaire is the NEW slot game that everyone has been talking about. It has HUGE jackpots, excellent graphics, and exciting gameplay!

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Mega Vault Millionaire Info

5 x 3 Reel Progressive Slot

25 Pay Lines

Minimum Bet: 25c

Mega Jackpot: Starts at $1 MILLION


BEST OFFER on Mega Vault Millionaire

Casino Classic gives players 40 FREE CHANCES to become an INSTANT MILLIONAIRE for $1, so you can try your luck on Mega Vault Millionaire with hardly any risk at all.

There is also an additional offer – receive a 100% match bonus up to $200 as well!

Mega Vault Millionaire Gameplay

Mega Vault Millionaire is similar to other 5 reel slots, where players try to hit winning combinations by matching the same symbol along 25 possible pay lines. There also also exciting features that make it fun for both new and experienced players.

The Wild symbol substitutes for other symbols to complete winning combinations, and Wild wins pay double.

The Scatter symbol triggers 15 FREE SPINS if 3 or more appear, and Scatter wins are multiplied by the total bet.

Try out the FREE SPINS feature

All free spins pay 3x, and free spins can be re-triggered. Click the button for a demo of the free spins feature.

FOUR Progressive Jackpots

The most exhilarating feature of Mega Vault Millionaire is the Bonus Vault wheel. At any point in the game, the progressive bonus can trigger, giving you the chance to spin the wheel and win one of four jackpots.


Mini: Starts at $10
Minor: Starts at $100
Major: Starts at $10 000
Mega: Starts at

When the bonus wheel is first triggered, you are presented with the Bonus Vault shown below. Landing on the Bronze sections will give you the Mini Jackpot, but landing on the Green section with the silver key unlocks the next stage of the Bonus Vault.

At this stage of the Bonus Vault, you win the Minor Jackpot by landing on the Silver sections. If you are lucky enough to land on the Green sections with the gold key, you unlock the Mega Vault!


This is the final stage of the Mega Vault Millionaire Bonus Vault! If you land on the gold section, you win the Major Jackpot, and if you are extremely lucky and land on the diamond-encrusted Blue section, the Mega Jackpot is yours! The Mega Jackpot always starts at $1 MILLION and increases until someone wins it. You could win several million dollars!


Casino Classic has one of the best offers online with 40 FREE CHANCES or $1, but if you would like to deposit a small amount more, you can receive HUNDREDS of FREE CHANCES. The best online casinos have amazing welcome offers for new players, and we have compiled the best ones here. Take advantage of these to increase your chances of becoming a millionaire!


Yukon Gold - only $10

Zodiac Casino - only $1

Is it possible to win the jackpot?

Yes, everyone has the chance to win the massive jackpot! The jackpot will increase if there is no winner, which means you could potentially win over $1 million.

Can I get no deposit spins?

Whilst the game doesn’t offer any free spins, you can take advantage of the free spins provided by Casino Classic’s sign up offer, which grants you 40 FREE CHANCES on Mega Vault Millionaire for a small deposit of $1.

Is this game a scam?

No, Mega Vault Millionaire is a new progressive slot game by Microgaming Software, an industry leader in online casino games. They develop the best games for many trusted online casinos and are regulated by eCOGRA.


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Welcome to Millionaire Games, the online casino from the ground-breaking television game show Who Wants To Be A Millionaire that has captured the imagination and hearts of millions around the world. We give people the opportunity to win massive cash prizes by correctly answering a series of randomised multiple-choice questions of varying difficulty. Last year we celebrated our 21st anniversary in the UK.

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Millionaire Games has a wide range of the best online slots and casino games available on the internet. We also offer some of the best promotions including the opportunity to win up to 500 Free Spins on our Who Wants To Be A Millionaire Megaways Slot after your first deposit of £10 or more. (Full T&Cs and those for other promotions are available here).

Mega Vault Millionaire Free Spins Bonus

We hope you have a thoroughly enjoyable time playing at Millionaire Games but we also want you to play responsibly. We have a range of responsible gaming initiatives all of which can be found here.

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Best of Luck