4 of a King Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Endorphina |
| Release Date | November 2014 |
| Theme | Retro casino, Cards, Croupiers |
| Layout | 5×3 |
| Paylines | 10 |
| Bet Range | 0.01–100 (units) |
| Core Mechanics | Expanding Wilds, Gamble (Risk) feature, Autoplay |
| Software Provider | Endorphina |
| Technology | HTML5 (mobile compatible) |
Mathematical & Payout Model
Return to Player (RTP)
96%
Volatility
High
Max Win Potential
1000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | Blue card, Green card, Yellow card, Red card | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Male croupier, Female croupier | Thematic items offering moderate payouts. |
| High Tier | Happy couple | Highest paying symbols. Top hits available with full combinations. |
| Wild | Poker chip (Wild) | Acts as a substitute / feature trigger per game rules. |
4 of a King Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Gamble (Risk) feature | After any win | Choose a card to beat dealer’s card to double winnings | Can multiply win up to 10× | |
| Expanding Wild | When Wild appears | Wild expands to adjacent positions to help form wins |
Frequently Asked Questions (FAQ)
| What is the RTP of 4 of a King? | The RTP is approximately 96%. |
| What is the maximum win multiplier? | The maximum win is around 1000× your bet. |
| Does the game have free spins or bonus rounds? | No, it does not include free spins, scatters, or bonus rounds. |
| What special features does it offer? | It offers an expanding Wild and a Gamble (risk) feature. |
| Can I play on mobile? | Yes, it is built in HTML5 and compatible with mobile devices. |
4 of a King Performance Summary: Strengths vs. Weaknesses
Strengths
- High RTP
- Expanding Wild increases win potential
- Gamble feature adds excitement
- Retro theme with simple gameplay
Weaknesses
- No free spins or bonus rounds
- High volatility may not suit casual players
Overview
“4 of a King” is a retro‑themed video slot by Endorphina featuring a 5×3 layout and 10 paylines. It offers high volatility, a 96% RTP, expanding Wilds, a Gamble feature, and a maximum win around 1000× bet. There are no free spins, scatters, multipliers, or bonus rounds.
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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