Bill & Coin 2 Mummy Mischief (Relax Gaming) Slot Review

Bill & Coin 2: Mummy Mischief: Slot Overview
Bill & Coin 2: Mummy Mischief is an adventure-themed video slot developed by Relax Gaming and released on September 2, 2025. The game follows the quirky protagonists from the original Bill & Coin series—a mustached banknote and a cigar-smoking penny—now joined by a dice-shaped canine companion, as they embark on a treasure hunt in ancient Egypt against a mythical mummy hoarding riches. Featuring a 6-reel, 4-row grid with 4,096 ways to win, the slot emphasizes cascading reels, coin collection mechanics, and three distinct bonus rounds for dynamic gameplay. It targets fans of mid-high volatility slots who appreciate character-driven narratives, progressive features, and high win potential up to 15,000x the bet, blending classic casino vibes with exploratory excitement across desktop, mobile, and tablet devices.
Design and Graphics
The visual style of Bill & Coin 2: Mummy Mischief immerses players in a vibrant Egyptian desert landscape, with endless golden sand dunes framing the scene and iconic landmarks like the Sphinx and pyramids visible in the background. Clear blue skies and an upbeat, adventurous soundtrack enhance the exploratory atmosphere, evoking a sense of treasure-hunting thrill. The 6×4 game grid is centrally positioned within a thick gold-blue frame, ensuring crisp readability on all devices.

Bill & Coin 2 Mummy Mischief slot – base game
Central to the aesthetic are the animated protagonists: the mustached banknote, cigar-smoking penny, and their dice-shaped dog companion, who inject personality and humor into the action. The antagonist mummy adds a mythical edge, appearing dynamically during features. Symbols feature high-quality, detailed artwork—low-paying royals (J, Q, K, A) in a stylized ancient font, and high-paying premiums like grapes, watermelon slices, cherries, a golden bell, red seven, and a sparkling gemstone, all rendered with metallic sheen and fruit-like vibrancy suited to the casino theme. Special symbols include shiny golden Coins, Bone Wilds (dice icons), and ornate Bonus Scatters.
Animations are fluid and engaging: cascading symbols explode smoothly, coins glint and nudge with particle effects, expanding symbols unfurl dramatically, and multiplier ladders climb with escalating intensity. The overall design is super-clean and high-resolution, with efficient loading times and scalable graphics that maintain sharpness on smaller screens, complemented by responsive sound design that ramps up during wins and bonuses for an immersive, energetic experience.
Gameplay Mechanics
Bill & Coin 2: Mummy Mischief employs a 6-reel, 4-row setup with 4,096 ways to win, where victories form by landing 3 or more matching symbols on adjacent reels starting from the leftmost reel. Bets range from €0.10 to €60 per spin, accommodating casual players and high rollers alike. The base game revolves around cascading reels, where winning symbols vanish, allowing new ones to drop in from above, potentially chaining multiple wins until no further combinations appear.
Regular symbols split into low-pays (J, Q, K, A at 1x for six-of-a-kind) and high-pays (grapes and watermelon at 2x, cherries at 3x, golden bell at 5x, red seven at 7x, gemstone at 10x for six-of-a-kind). Special elements drive the flow: Coins land randomly on any reel with individual multipliers (bet multiples), collected instantly upon reaching the bottom row via cascades. Bone Wilds (dice-shaped) appear randomly, triggering a virtual dice roll to boost the spin’s total win multiplier by 1x to 6x, applied to all wins and coin prizes at spin’s end.
The table below summarizes the paytable for six-of-a-kind wins:
| Symbol | 6-of-a-Kind Payout (x Bet) |
|---|---|
| Gemstone | 10x |
| Red Seven | 7x |
| Golden Bell | 5x |
| Cherries | 3x |
| Watermelon / Grapes | 2x |
| J, Q, K, A | 1x |
With a hit frequency of 21.71%, gameplay maintains steady momentum through cascades and coin collections, setting up triggers for the bonus rounds.
Bonus Features
Landing 3 Bonus Scatters anywhere triggers the Bonus Pick with three options: Sticky Coins Bonus, Multiplier Ladder Bonus, or Book Bonus. Collecting 5 Bonus symbols during any bonus grants 5 extra spins. A Super Bonus symbol among triggers activates the Super Bonus, merging all three mechanics.

Bill & Coin 2 Mummy Mischief slot – sticky coins free spins
In Sticky Coins Bonus, all Coins become sticky and nudge down one row per spin, accelerating collections to the bottom row for payouts. The Multiplier Ladder Bonus starts a progressive multiplier ladder (up to 500x), advancing on every win or new free spin; Bone Wild dice rolls can push it higher. The Book Bonus selects one regular symbol as an expanding icon, which fully covers reels when landing on winning columns; retriggers enable up to 3 simultaneous expanders.

Bill & Coin 2 Mummy Mischief slot – multiplier ladder free spins
Feature Buy options provide direct access:
| Buy Option | Cost (x Bet) | Description |
|---|---|---|
| Guaranteed Bone Wild + Super Bonus Triggers | 5x | Spin with Bone Wild; all Bonus triggers are Super Bonus |
| Bonus-Only Symbols + 1 Guaranteed | 10x | Only Bonus symbols land; 1 guaranteed |
| Random Row of Coins | 25x | Entire random row filled with Coins |
| Bonus Pick | 100x | Direct Bonus Pick activation |
| Super Bonus | 500x | Direct Super Bonus round |

Bill & Coin 2 Mummy Mischief slot – expanding symbol free spins
These features synergize with cascades and coins, creating layered excitement culminating in the Super Bonus for maximum potential.
Betting Options and Payouts
The betting range spans €0.10 to €60, offering flexibility for various bankrolls. The default RTP stands at 96.1%, with operator-configurable lower settings of 94% or 86%. Volatility is rated mid-high, balancing frequent base game hits at 21.71% with bonus-driven big wins. The max win caps at an impressive 15,000x the bet, achievable through multiplier ladders exceeding 500x, sticky coin accumulations, and expanding symbols in the Super Bonus.

Bill & Coin 2 Mummy Mischief slot – bonus buy
| RTP Variant | Return to Player |
|---|---|
| Default | 96.1% |
| Reduced 1 | 94% |
| Reduced 2 | 86% |
Payouts behave consistently with mid-high volatility: steady cascades and coin wins sustain play, while bonuses deliver the high-variance peaks.

Bill & Coin 2 Mummy Mischief slot – super bonus buy
Conclusion
Bill & Coin 2: Mummy Mischief excels with its upgraded base game featuring cascading reels, collectible coins, and Bone Wild multipliers, paired with three synergistic bonus rounds—Sticky Coins, Multiplier Ladder, and Book Bonus—that culminate in the powerhouse Super Bonus. The characterful design and smooth animations elevate a familiar Egyptian theme into an energetic standout, while versatile Feature Buys and a 15,000x max win appeal to strategic players. Minor drawbacks include the ubiquitous Egypt setting and operator-variable RTP ranges potentially lowering returns. Overall, it delivers versatile, high-quality gameplay for thrilling sessions. Players can test the slot risk-free using the built-in demo available on this page. This sequel solidifies Relax Gaming’s knack for innovative, entertaining slots with broad appeal.











