777 Mega Deluxe Slot Review

⭐ 5.5/10
Create by: Microgaming
Review by:
Posts by Michael White
Updated: January 7, 2026

777 Mega Deluxe is a High volatile slot from Microgaming with an RTP 96.10% and up to x6601 maximum win. Play demo for free.

777 Mega Deluxe Slot Demo

Software
Release Date
2021-01-21
RTP
96.10%
Max Win
x6601
Volatility
High
Bet Range ($,€,£)
0.20 - 30
Number of Reels
4
Betways
127
Features
Classic, Multiplier Wilds, Respins, Sevens, Stacked Symbols

777 Mega Deluxe: Slot Overview

When I first loaded 777 Mega Deluxe, I knew to expect something a bit odd from Crazy Tooth Studio, and that is exactly what you get. The theme leans heavily on classic fruit machines, but the layout is anything but old school. You spin a tall 4x7 grid with 127 lines, chrome trim and simple graphics. It looks fairly plain, yet the gameplay feels far from a standard fruity.

The core of 777 Mega Deluxe lies in two features: Respin Insanity and the 777 Mega Deluxe Bonus Spins. Wins often turn into clusters of extra spins, driven by wild multipliers. The base game on its own would be too modest, but once the respins start chaining, the slot shows its Crazy Tooth side and the session can turn volatile very quickly.

777 Mega Deluxe slot screenshot

777 Mega Deluxe Basic Information

777 Mega Deluxe is a 4 reel, 7 row video slot from Crazy Tooth Studio, released on 21.01.2021. You get 127 fixed betways, with stakes starting from 0.20 per spin and going up to 40, so it suits low and mid stakes play. The game runs smoothly on desktop and mobile, and the interface keeps everything focused on the oversized reel set and the feature buttons.

777 Mega Deluxe, variance & technical data

On the numbers side, 777 Mega Deluxe comes with an RTP of 96.10%, which is around the market average. That translates to a house edge of 3.90%, so mathematically the game sits in a reasonable spot for long sessions. There are different RTP settings around, so I always check the info panel in the client to see which version I am actually playing.

Variance is firmly in the high bracket, and you feel that straight away. The stated hit frequency of about 16.1% means many spins miss, but the Respin Insanity mechanic adds a lot of extra action when wins do land. Official max win is 6,601 times your bet, so the top end is serious enough for a fruit slot, provided you can handle swings in your bankroll.

777 Mega Deluxe Symbols and Paytable

Symbol values in 777 Mega Deluxe follow that familiar Crazy Tooth pattern where whole groups share the same payouts. At the lower end you get orange stars, horseshoes, moons, blue stars and card suits, paying around 0.05x or 0.10x your bet per line. Bars, lemons and cherries sit in the middle, paying 0.05x or 0.20x, while the red lucky seven is the premium, at 0.10x to 0.25x.

On paper those numbers look weak, and I thought the same before the features kicked in. The key is that you play with 127 lines and you have wild multipliers. Wilds come with x2 in all phases and x5 in the bonus round, substituting for regular symbols and multiplying any win they join. Scatters have their own role, triggering the free spins rather than paying directly.

Symbols and Paytable

Symbol Quantity Payout
icon 1 5 x31.75
4 x0.25
3 x0.1
icon 2 5 x25.4
4 x0.2
3 x0.05
icon 3 5 x25.4
4 x0.2
3 x0.05
icon 4 5 x25.4
4 x0.2
3 x0.05
icon 5 5 x12.7
4 x0.1
3 x0.05
icon 6 5 x12.7
4 x0.1
3 x0.05
icon 7 5 x12.7
4 x0.1
3 x0.05
icon 8 5 x12.7
4 x0.1
3 x0.05
icon 9 5 x12.7
4 x0.1
3 x0.05
icon 10 5 x12.7
4 x0.1
3 x0.05
icon 11 5 x12.7
4 x0.1
3 x0.05
icon 12 5 x12.7
4 x0.1
3 x0.05
icon 13 Scatter
icon 14 Multiplier

777 Mega Deluxe bonus features

The feature you see the most in 777 Mega Deluxe is Respin Insanity. Any winning spin highlights all positions involved and creates a special respin area. Those positions, apart from any x2 wild multipliers, are respun, while the multipliers stay locked. After the respin, any symbol inside the area that matches at least one symbol outside pulls those positions into the area and you get another respin.

This loop can run for quite a while when the grid cooperates, and every respin pays out whatever combinations are present. When the feature finally hits a spin where no new positions get added, the sequence stops. In my sessions, small line wins sometimes exploded into screens filled with the same symbol, especially when a locked x2 sat in the middle, turning a dull base game streak into a proper hit.

Bonus spins in 777 Mega Deluxe come from scatters on reels 1, 2 and 4. Land three in view and they all change into x2 or x5 wild multipliers, which then lock on the grid for the full bonus. You start with 4 free spins that cannot retrigger, so you rely on Respin Insanity to extend the action. Any new wild multipliers that land during this round also lock, and this is where the 6,601x potential starts to feel realistic.

777 Mega Deluxe slot screenshot

777 Mega Deluxe: Slot Verdict

From a player’s point of view, 777 Mega Deluxe sits somewhere between a classic fruit machine and a modern high variance video slot. The visuals will not win any awards and casual players might pass it by, but the 4x7 structure, 127 lines and the way Respin Insanity interacts with locked multipliers make the gameplay surprisingly engaging. If you enjoy volatile fruit slots with quirky mechanics, this one is well worth a proper test run.

Screenshots

777 Mega Deluxe slot screenshot 1
777 Mega Deluxe slot screenshot 2
777 Mega Deluxe slot screenshot 3
777 Mega Deluxe slot screenshot 4
777 Mega Deluxe slot screenshot 5
777 Mega Deluxe Final Ratings
Theme & Symbols








Sounds & Music








Bonus Features








RTP (96.10%)








Max Win (x6601)








Originality








FAQs About 777 Mega Deluxe

Can I play 777 Mega Deluxe free slot?

Absolutely! You can enjoy 777 Mega Deluxe for free on our website without registration. Our partner casinos of Microgaming also usually offer demo mode access.

Can I win real money on 777 Mega Deluxe slot?

Yes, to win real money in 777 Mega Deluxe, you'll need to create an account at a licensed casino site. You can then play for real and win up to x6601.

Can I play 777 Mega Deluxe slot on mobile phone?

Yes, 777 Mega Deluxe is fully optimized for mobile devices and runs smoothly on any devices.

Compare 777 Mega Deluxe With Other Slots

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