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4 of a King (Endorphina)

4 of a King is a 5-reel slot from Endorphina, offering up to 10 paylines/ways to win. Play free demo instantly—no download needed—and explore all bonus features risk-free. Optimized for desktop and mobile, this slot delivers smooth gameplay anywhere. Ready for real money play? Scroll down to find our top-rated Endorphina online casinos, selected for safety, quality, and generous welcome bonuses.

4 of a King Free Slot Demo

Responsible Gaming

To access demo slot please confirm that you are at least 18 years old

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Facts & Features

Slot Rating: 6 / 10 🤷 Average

Volatility: N/A

Hit Rate: N/A

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4 of a King Review

4 of a King by Endorphina is an online slot which is playable on most devices, including mobiles and pads. This game has some interesting themes and exciting features to know about. Find out more from our 4 of a King slot review below. Further down this page you can also find more popular slots from Endorphina.

Themes and Gameplay

4 of a King base game screenshot showing reels and features

The layout of this game is pretty standard and consists of 5 reels with 10 possible paylines. In most jurisdictions you can also select the Autoplay option when playing 4 of a King. You can choose from 10, 25, 50, 100 or even more spins. You can opt to stop Autoplay on a win, if a single win exceeds a certain amount, or if your balance increases or decreases by a chosen amount. This is a great way to stay in control and to play more responsibly.

Endorphina have chosen not to add a free spins bonus round in this game and that is quite uncommon nowadays.

Reviewed 8/1/2015 by CasinoSlotsGuru.com

Slot Rating: 6 / 10 🤷 Average

❓ 4 of a King – Frequently Asked Questions

🎮 Can I play 4 of a King for free?

Yes! You can try the 4 of a King demo slot directly on CasinoSlotsGuru.com without registration. It’s a great way to explore the game’s features, visuals, and volatility before betting real money.

💰 How do I play 4 of a King for real money?

To play for real money:

Choose a licensed Endorphina casino from our recommended list.
Create an account and make your first deposit.
Claim your welcome bonus (if available).
Search for “4 of a King” in the slot section.
Set your bet and hit spin button!

🎁 Are there bonuses for 4 of a King?

Yes! Many of our featured casinos on this page offer welcome bonuses, including free spins and deposit matches, that can be used on this slot. Always check the bonus terms for eligibility and wagering requirements.

🧪 Is the demo version the same as the real game?

Yes. The demo version mirrors the full game in terms of features, mechanics, and visuals. The only difference is that you can’t win real money.

🧠 How do I win at 4 of a King?

Winning depends on luck, but understanding the game’s mechanics helps:

Learn how Paylines work.
Use Autoplay responsibly with stop conditions.

📱 Is 4 of a King available on mobile?

Absolutely. The game is fully optimized for mobile play on both iOS and Android devices. You’ll enjoy smooth gameplay and stunning visuals on any screen size.