The Kingdom of Cardia Swaps One Bonus Round for Three

Betsoft‘s THE Series has built its identity on stacking bonus rounds, and The Kingdom of Cardia takes that approach to an extreme. Released on June 18, 2026, the slot sets four royal card houses against each other inside a fantasy garden kingdom. Instead of one path through the bonus features, players get three: a free spins mode, a Plinko drop, and a smash-based minigame called Hi-Strike. The Kingdom of Cardia carries high volatility and a 10,000x ceiling, so the variety comes with real risk attached.

Game Overview

• Developer: Betsoft
• Series: THE Series
• Reels: 5
• Rows: 4
• Ways to Win: 1,024
• RTP: 96.10%
• Volatility: High
• Hit Rate: 33.80%
• Max Win: 10,000x bet
• Bet Range: 0.15 to 37.50 per spin
• Release Date: June 18, 2026

Theme & Design

The Kingdom of Cardia sets its story inside an oversized garden kingdom, with hedges, pastel skies, and a castle in the distance. Card suit royalty rules the reels here, including Kings, Queens, and the four suit icons that give the game its name. The art style leans bright and storybook rather than dark or gritty. Smooth animations carry the action along, and anyone familiar with Alice in Wonderland will spot the influence right away.

The visuals are polished, and Betsoft clearly invested in the presentation rather than treating the theme as a backdrop. The garden setting changes subtly between the base game and bonus rounds, keeping things visually fresh. Sound design follows the same whimsical tone, with a light soundtrack that never feels heavy despite the high volatility underneath. The Kingdom of Cardia looks every bit as premium as the rest of THE Series lineup.

Gameplay & Mechanics

Cardia runs on a 5-reel, 4-row grid with 1,024 ways to win. Symbols pay out when they land on adjacent reels starting from the left, and there is no fixed payline pattern to memorize. The Key of Cardia symbol sits on reel one. It triggers a payout whenever it lines up with Cash symbols on reels two through five, or with Bonus Prize symbols on reel five.

Wild symbols appear on reels two through four and substitute for everything except the specials. The base game in The Kingdom of Cardia moves fast, with cash values up to 100.00 times the bet. Three or more Scatters trigger the Pick Feature, the moment where the slot really opens up. From there, players choose between Free Spins and the Ultra Kingdom Bonus Spin, each leading to a different bonus structure.

Features & Bonus Rounds

Key of Cardia and Cash Prizes

The Key of Cardia symbol does double duty in the base game. When it lands alongside Cash symbols or Bonus Prize icons, it converts the combination into a direct cash payout. Cash values run from 0.50 up to 100.00 times the stake. That gives the base game some bite, keeping the reels rewarding even before any bonus triggers.

Multiplier Wilds

Free Spins change the behavior of Wild symbols completely. During this mode, every Wild that lands reveals either a 2x or 5x multiplier attached to the win. Because Wilds already substitute for most symbols, this turns ordinary spins into genuine multiplier opportunities. Stack a few multiplier Wilds in one spin, and the payout can climb quickly.

The Kingdom of Cardia Pick Feature

Landing three or more Scatters opens the Pick Feature, which is really two features in one. Choosing Free Spins awards 8, 15, or 20 spins, with the count set by how many Scatters triggered it: three, four, or five. Choosing the Ultra Kingdom Bonus Spin instead guarantees one randomly selected feature: a Cash or Bonus Prize symbol, a round of Plinko, or a trip into Hi-Strike Smash. The decision matters, since each path leads to a different kind of payout.

Plinko Game

The Plinko Game hands players four balls and a choice of drop points above a field of multiplier cups. Each ball bounces its own path down the board, landing in a cup that determines its multiplier. The drop point is the only variable players control, so there is a light strategic layer on top of pure chance. It offers a quick, visual break from spinning reels.

Hi-Strike Smash Game

Hi-Strike Smash Game replaces the reels entirely with a strength-test board. Players take their shot, and the prize grows based on how the strike lands. The format is short, punchy, and built for instant payout rather than a drawn-out bonus round. It fits the fast pace that runs through the rest of The Kingdom of Cardia.

Buy Bonus

Players who do not want to wait for Scatters can purchase a round directly. Hi-Strike Smash Game costs 40x the stake, while Plinko runs 60x. Both options skip the Pick Feature entirely and drop players straight into the minigame of their choice. It offers a straightforward way to chase a specific bonus without grinding the base game first.

RTP, Volatility & Win Potential

The Kingdom of Cardia carries an RTP of 96.10%, which sits in line with most high-volatility slots from Betsoft’s catalog. The volatility rating is High, and the 33.80% hit rate confirms it. Wins land often enough to keep the reels interesting, but the bigger prizes require patience and a willingness to ride through dry spells.

Base game jackpot prizes can reach 3,333x the stake through the Key of Cardia symbol alone, without ever touching a bonus round. The full ceiling sits at 10,000x, though reaching it depends on landing the rarer outcomes inside Plinko or Hi-Strike Smash. That gap between base game and max win gives The Kingdom of Cardia a wide spread of outcomes. Players betting toward the higher end of the 0.15 to 37.50 range will feel that spread the most.

Who This Slot Is For

The Kingdom of Cardia suits players who like variety inside their bonus rounds rather than one repeated free spins format. Anyone drawn to card-themed slots or storybook fantasy art will find plenty to like in the presentation. High volatility fans who do not mind longer gaps between big wins are the natural audience here. Casual players chasing frequent small wins might find the pacing less forgiving.

Final Thoughts

Betsoft built The Kingdom of Cardia around choice, and that choice pays off. Three distinct bonus paths, a 10,000x ceiling, and a polished storybook presentation give the slot more depth than its card-suit theme might suggest at first glance. The high volatility keeps things tense, but the Pick Feature and Buy Bonus options give players control over how they want to chase the bigger prizes. For fans of THE Series, this is one of the more varied entries yet.