777 Super BIG BuildUp II Double Deluxe is an online video slot developed by Crazy Tooth Studio. It has a 96.22% RTP, medium-high volatility, five reels, 576 paylines, a...nd a maximum win multiplier of 6,496x the bet. Features include expanding reels, sticky wilds, a scatter symbol, and bonus spins.
Highlights
- Sticky wilds enhance winning potential
- Scatter symbol and free spins
- Expanding reels can increase paylines.
Contents
777 Super BIG BuildUp II Double Deluxe Slot Overview
777 Super BIG BuildUp II Double Deluxe is an online slot developed by Crazy Tooth Studio. It features a 3-4-4-4-3 reel layout with 576 paylines that pay both ways. The game combines classic fruit machine visuals with modern features such as sticky wilds, expanding reels, and bonus spins. The RTP of this slot is 96.22%, and it has medium volatility, and the top win potential is 6,496x the bet.
Theme, Graphics & Soundtrack
This slot captures the energy of a Las Vegas casino, with a neon-lit cityscape backdrop and a reel set filled with familiar symbols like cherries, grapes, bars, and lucky 7s. The setting is designed to evoke a sense of casino nostalgia while presenting a more modern gameplay format.
The 3-4-4-4-3 layout is visually distinct and adds to the game’s style. Bright and colourful symbols stand out clearly on the reels, while smooth animations support the game's feature transitions and spins.
Soundtrack
The game is accompanied by an upbeat electronic soundtrack that complements the retro visuals. The sound design enhances the overall casino-style environment without being overly intrusive.
RTP & Volatility
777 Super BIG BuildUp II Double Deluxe has a return-to-player (RTP) of 96.22%, which places it in a standard range for online slots. The volatility is rated as medium-high, meaning that players may see a mix of smaller wins with the potential for occasional larger payouts.
The maximum win in this slot is 6,496x the bet.
How to Play
Getting started with 777 Super BIG BuildUp II Double Deluxe is straightforward. Here’s how to begin:
- Click the chips icon on the right-hand side of the screen to adjust your bet. Bet levels start at 15p per spin.
- Use the menu icon to access the rules, paytable, and symbol details.
- When ready, click the spin button to start the game.
- If needed, use responsible gambling tools such as deposit limits, timeouts, or self-exclusion options provided by your chosen casino.
How to Win
The game offers 576 ways to win, with payouts awarded from both the leftmost and rightmost reels.
Winning Combinations
Wins are formed by landing three or more matching symbols on adjacent reels, starting from either end of the grid.
Top-Paying Symbols
The highest-paying symbol is the Lucky 7. Other high-value symbols include:
- Cherries
- Bell
- Diamond
Bonus Features
This game includes several bonus mechanics designed to add variety across base and bonus rounds. These features appear during regular spins and can influence the number of reel positions or symbol enhancements available.
Free Spins
Three or more scatter symbols will trigger 5, 7, or 9 bonus spins. During these rounds, wild chip symbols may add extra symbol positions to the reels and will shift downward with each spin, offering additional ways to form combinations.
BIG BuildUp
This is a randomly triggered feature that can add prizes such as wilds or win multipliers worth up to 5x. Additional feature chips may also be introduced during the round to boost prize potential.
Top Classic Fruit Machine Slots
Sticky Wilds
Wild symbols may land on reels 1 and 2. Once in place, they stay sticky and shift down one position with each spin, potentially aiding in multiple consecutive wins.
Summary
The Las Vegas-inspired visuals and lively soundtrack work well together to deliver a casino-style setting. Classic symbols and neon lighting provide a retro feel, while the reel format adds something different from traditional layouts.
Features
Bonus mechanics such as sticky wilds, the BIG BuildUp feature, and expanding reels create variety throughout the game. Free spins add another layer of gameplay, especially when wilds are active during the round.
Overall
777 Super BIG BuildUp II Double Deluxe blends classic fruit slot visuals with a few modern twists. Its medium-high volatility and 96.22% RTP make it a balanced choice for players who enjoy steady gameplay with occasional feature-driven rewards. The top win of 6,496x keeps things interesting without overpromising, and the dual-direction paylines offer an added layer to standard slot mechanics.
| Slot Name: | 777 Super BIG BuildUp II Double Deluxe |
|---|---|
| Software: | Crazy Tooth Studio |
| RTP: | 96.22% |
| Volatility: | Medium volatility |
| Paylines: | 576 |
| Reels: | 5 |
| Min Bet (all lines covered): | £0.15 (GBP) |
| Max Bet: | £5 (GBP) |
| Top Win: | 6496 |
| Features: | 5 Reels, Multiplier, Free Spins, Reel Modifiers, Medium volatility |
| Themes: | Fruit |
| Last Update: | 29/06/2026 |
Available in UK?
|
Yes. Crazy Tooth Studio have a UKGC license and are allowed to offer their games at UK licensed casinos. |
FAQs
What makes the 777 Super BIG BuildUp II Double Deluxe slot stand out from other slots?
The 777 Super BIG BuildUp II Double Deluxe slot stands out with its combination of classic fruit machine symbols and modern features, such as expanding reels, sticky wilds, and bonus spins.
How volatile is 777 Super BIG BuildUp II Double Deluxe?
This is a medium voatility slot.
What's the RTP of 777 Super BIG BuildUp II Double Deluxe?
This game has a payout percentage of 96.22%
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| Slot Name: | 777 Super BIG BuildUp II Double Deluxe |
|---|---|
| Software: | Crazy Tooth Studio |
| RTP: | 96.22% |
| Volatility: | Medium volatility |
| Paylines: | 576 |
| Reels: | 5 |
| Min Bet (all lines covered): | £0.15 (GBP) |
| Max Bet: | £5 (GBP) |
| Top Win: | 6496 |
| Features: | 5 Reels, Multiplier, Free Spins, Reel Modifiers, Medium volatility |
| Themes: | Fruit |
| Last Update: | 29/06/2026 |
|
Available in UK?
|
Yes. Crazy Tooth Studio have a UKGC license and are allowed to offer their games at UK licensed casinos. |
