Realtime Gaming

Bubble Bubble 2

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Play Bubble Bubble 2 slot by Realtime Gaming for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.

Only 0.10% of slots combine 50 Paylines and Sub Symbols In Feature.

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SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.

How this score is built

RTP

95%

return to player

Volatility

High volatility

variance

Max win

—

top multiplier

Min bet

$0.50

per spin

Reels

50 lines

Player rating

4.3 ★

19 votes

DEMO Play free, no signup

Realtime Gaming

4.3 / 5

19 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP8/10

RTP 95% → 8.0/10

Volatility9/10

high → 9.0/10

Win Potential—

no data

Features6.5/10

10 features → 6.5/10

Game Mechanics5.1/10

f=10 r=5 p=50 → 5.1/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.5–250 (×500) → 6.0/10

Provider Reputation5.9/10

provider avg 5.9 → 5.9/10

Popularity3.3/10

synthetic proxy → 3.3/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 64 — Bubble Bubble 2 by Realtime Gaming

https://slotranker.com/realtime-gaming/bubble-bubble-2#score

How to cite

Spec sheet

Bubble Bubble 2 at a glance.

Identity

Slot nameBubble Bubble 2

StudioRealtime Gaming

Released6/15/2017

Math

SlotRanker Score64

RTP95%

VolatilityHigh volatility

Max win—

Bet range$0.50 – $250.00

Player rating4.3 / 5 · 19 votes

Format

Reels5

Paylines50

Layout5x3

Expected average based on this slot's 95% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$10.00

Cost per session$10.00

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Bubble Bubble 2? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: High

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (High). The model is calibrated so the average return equals this slot's published RTP (95.00%), with wins capped at its top multiplier (1,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Compare Bubble Bubble 2 with other games

	Bubble Bubble 2 Score 64This game	3 Lucky Witches Score 78	Wicked Witch Score 75	Book of Witches Score 68	Trick or Treat Score 43
Identity
Studio	Realtime Gaming	4ThePlayer	Habanero	Thunderspin	EURASIAN Gaming
Released	6/15/2017	10/4/2023	12/20/2015	10/24/2024	10/15/2024
Math
RTP	95%	96%	95.98%	95.89%	—
Volatility	High volatility	High volatility	Medium volatility	High volatility	—
Max win	—	5,000×	—	1,000×	—
Format
Reels	5	5	5	5	5
Layout	5x3	5x3	5x3	5x3	5x3
Paylines	50	243	20	10	10
Min bet	0.50	0.20	0.20	0.10	0.10
Max bet	250.00	30.00	5000.00	100.00	100.00
Features
Progressive	—	—	✓	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	✓	—	—
Bonus game	—	—	—	✓	—
Respins	—	—	—	—	—

Every number is shown as a delta against Bubble Bubble 2.

Comparing against

Bubble Bubble 2

Realtime Gaming

RTP

95%

Max win

—

Score

+ Progressive+ Multiplier

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