Game Information
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Provider
Big Time Gaming
Type
Slots
Theme
Mystery
Release Date
November 20, 2019
Reels
5
RTP
96.64
Volatility
3
Max Exposure
14550
Min Bet
0.1
Max Bet
40
Max Win per Spin
250000
Millionaire Mystery Box Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Big Time Gaming |
| Release Date | November 2018 |
| Theme | Game show, TV quiz show |
| Layout | 5×3 grid with 243 ways to win |
| Paylines | 243 ways |
| Bet Range | Varies by version/operator |
| Core Mechanics | Mystery Box transforming symbols, Gamble double‑or‑nothing feature, Free Spins with multiplier ladder up to 50× |
| Developer | Big Time Gaming |
| Release Year | 2018 |
Mathematical & Payout Model
Return to Player (RTP)
96.36 %
Volatility
Medium
Max Win Potential
12000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 9, 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | green gem, blue gem, red gem | Thematic items offering moderate payouts. |
| High Tier | purple gem, scatter (Millionaire logo) | Highest paying symbols. Top hits available with full combinations. |
| Wild | 2× wild | Acts as a substitute / feature trigger per game rules. |
| Scatter | Millionaire logo | Triggers free spins / bonus round when enough appear. |
Millionaire Mystery Box Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Mystery Box | Mystery Box symbol lands on reels 2‑4 | Transforms all Mystery Box symbols into the same random symbol | ||
| Gamble | Any base‑game win | Option to double win up to five times | ||
| Free Spins with Multiplier Ladder | 3‑5 scatters land | 7, 12 or 20 free spins | Each scatter moves up ladder, increases multiplier and awards extra spins | Ladder reaches up to 50× multiplier; rungs 4, 8, 12 award extra spins |
Frequently Asked Questions (FAQ)
| What is the RTP of Millionaire Mystery Box? | The RTP is approximately 96.36 %. |
| How many ways to win does the game offer? | The game offers 243 ways to win on a 5×3 grid. |
| What does the Mystery Box feature do? | Mystery Box symbols on reels 2‑4 transform into the same random symbol, which may be wild or scatter. |
| How does the Free Spins feature work? | Landing 3‑5 scatters triggers 7‑20 free spins and activates a multiplier ladder that increases with each scatter up to 50×. |
| What is the maximum win multiplier? | The maximum win multiplier is 12000× the bet. |
| What is the Gamble feature? | After any win in the base game, you can gamble to double the win up to five times. |
| What are the high‑value symbols? | High‑value symbols include colored gems, with the purple gem paying up to 25× for five of a kind, and the scatter logo. |
Millionaire Mystery Box Performance Summary: Strengths vs. Weaknesses
Strengths
- High maximum win potential
- Engaging Mystery Box mechanic
- Free Spins with escalating multipliers
Weaknesses
- Free Spins feature can be rare to trigger
- Medium volatility may deter low‑risk players
Overview
Millionaire Mystery Box is a Who Wants to Be a Millionaire‑themed slot by Big Time Gaming. It features a 5‑reel, 3‑row layout with 243 ways to win, a Mystery Box feature that transforms into matching symbols, a Gamble feature to double wins up to five times, and a Free Spins round with a multiplier ladder up to 50×. The RTP is around 96.3–96.6 %, and the maximum win reaches 12 000× the bet.
Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 30,000 slots.
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