In This Guide
Introduction
Crazy Balls by Evolution Gaming blends the familiar mechanics of bingo with the multiplier-heavy bonus rounds of Crazy Time. Players place bets on 5x5 cards containing numbers from 1 to 60, then watch as 20 balls are drawn from a pool of 60. Match drawn numbers to complete lines — and collect multipliers along the way for significantly enhanced payouts.
The game adds a layer of strategy through card type selection, multiplier mechanics, and four bonus games — Coin Flip, Cash Hunt, Pachinko, and Crazy Time — each triggered through dedicated bonus cards. The bonus games are the same Evolution bonus games found in Crazy Time, integrated here as side bets.
Card Types
All regular cards are 5x5 grids with randomly generated numbers from 1 to 60. Before the draw begins, the center cell determines the card type:
Free Space Card
The center cell is a free space — it acts as a pre-daubed number, increasing the probability of completing lines. Easier to hit winning lines with, but lower payout ceiling.
Easier Line Completion 2x – 39x Per Line
Multi Card
The center cell contains a multiplier instead of a free space. The multiplier can dramatically boost payouts for any winning lines that include it, but without the free space the baseline odds of completing a line are lower.
Multiplier Center 2x – 199x Per Line
Bonus game cards use a smaller grid and require fewer matches to activate:
Main Game
Once the betting phase closes, the host activates the ball-drawing machine. It randomly draws 20 balls from a pool of 60, one at a time. Each ball matching a number on your card is covered with a daub. Complete a line — horizontal, vertical, or diagonal — and that line pays out.
Multi cards may receive additional multipliers during the draw phase before the balls are drawn — these are assigned to specific cells and activated when those cells are part of a winning line.
Multiplier Types
Three types of multipliers can appear on Multi cards, each with different scope and interaction rules:
Standard Multiplier
Applies to a single cell. Values of 10x or 20x. If a winning line contains multiple standard multipliers, they are added together before applying to the payout.
$5 × (10 + 20) = $150
Line Multiplier
Applies to an entire line. Values of 20x or 50x. If a winning line has both a Line multiplier and Standard multipliers, all values are added together.
$5 × (50 + 10) = $300
Global Multiplier
Applies to all lines on the card. Values of 2x or 3x. Applied after all Standard and Line multipliers are summed — multiplies the entire combined result.
$5 × (10 + 50) × 2 = $600
The Four Bonus Games
Bonus games are activated by completing all numbers on the corresponding bonus card during the main draw. Multiple bonus games can be triggered in a single round if multiple bonus cards are completed.
Coin Flip
3 numbers required to activate
A coin with two sides is flipped — each side carries a randomly assigned multiplier. The side facing up determines the payout. A Rescue Flip may occur if initial multipliers are low, offering a chance to flip again for better values.
Best RTP: 96.49% Adjusted at Max Bet: 95.61%
Cash Hunt
4 numbers required to activate
A wall of 108 random multipliers is displayed, hidden behind symbols. Players choose a symbol to reveal its multiplier. If no choice is made within the time limit, the system selects randomly.
RTP: 96.09% Adjusted at Max Bet: 95.62%
Pachinko
4 numbers required to activate
A puck is dropped through a board into one of 16 multiplier zones. Landing on a DOUBLE zone doubles all multipliers and drops the puck again. A Rescue Drop may occur on low multiplier landings.
RTP: 95.68% Adjusted at Max Bet: 94.84%
Crazy Time
5 numbers required to activate
A 64-segment wheel is spun. Players choose one of three flappers (green, blue, yellow). Each segment carries a multiplier — DOUBLE segments double all multipliers and spin again. If DOUBLE segments repeat and multipliers reach a threshold, a 20,000x multiplier replaces remaining DOUBLE segments.
RTP: 95.54% Adjusted at Max Bet: 94.88%
Payouts
Payouts are determined by completing lines on your card, combined with any active multipliers on that card:
| Card Type | Payout Range Per Line | Center Cell |
|---|---|---|
| Free Space Card | 2x – 39x | Free space (pre-daubed) |
| Multi Card | 2x – 199x | Multiplier cell |
RTP
| Bet Type | Standard RTP | Adjusted RTP (Max Bet) |
|---|---|---|
| Coin Flip | 96.49% | 95.61% |
| Cash Hunt | 96.09% | 95.62% |
| Free Space Card | 96.10% | 96.10% |
| Multi Card | 96.10% | 96.10% |
| Pachinko | 95.68% | 94.84% |
| Crazy Time | 95.54% | 94.88% |
Strategies
Card Selection
Free Space for Consistency, Multi for Upside
Free Space cards complete lines more easily — they effectively start with one cell already daubed. This is the better choice for players who want more frequent winning lines with lower variance. Multi cards sacrifice the free space for a multiplier in the center — worthwhile when the multiplier activates, but the baseline odds of completing a line are lower. Choose based on your session goal: consistency or ceiling.
Bonus Selection
Coin Flip for Best RTP, Crazy Time for Upside
Coin Flip carries the best RTP of any bet in Crazy Balls at 96.49% — and it requires only 3 numbers, making it the easiest bonus to trigger. Crazy Time offers the highest potential multipliers but carries the worst RTP (95.54%) and requires 5 numbers. Cash Hunt sits in the middle on both dimensions. Betting on multiple bonus card types simultaneously gives you exposure to more than one bonus game per round — useful for high-volume sessions.
Multiplier Awareness
Understand the Stacking Order
The three multiplier types interact in a specific order: Standard multipliers add together first, Line multipliers add to that sum, and Global multipliers multiply the entire combined result. On a Multi card, the most valuable scenario is a winning line that contains a Standard multiplier AND is also covered by a Line multiplier, with a Global multiplier active on the card — the compounding effect can push payouts toward the 199x ceiling. Keep this hierarchy in mind when selecting Multi cards versus Free Space cards for a given session budget.
Verdict
Fun Format, Standard Returns
Crazy Balls is an entertaining combination of bingo-style gameplay and Crazy Time's bonus game library. The familiar bonus rounds — Coin Flip, Cash Hunt, Pachinko, and Crazy Time — are well-executed and the multiplier system on Multi cards adds genuine strategic depth to card selection.
However, the RTP is in line with similar offerings and nothing about the format provides a meaningful edge over other Evolution game shows. For players who specifically enjoy bingo mechanics, it is a well-designed option. For players focused purely on RTP or strategic depth, Crazy Time itself offers the same bonus games with more decision-making points, and Cash or Crash offers a significantly better RTP at minimum bet.
The Coin Flip bonus card is the highest-RTP bet in the game at 96.49% and requires the fewest numbers to trigger — a reasonable anchor bet for any session.