Kingmaker Slot

Play Kingmaker Slot Free Demo

Kingmaker by Big Time Gaming is a medieval-themed Megaways slot released in 2020 that puts royal power plays on a 6-reel grid with up to 117,649 ways to win. With an RTP of 96.65%, high volatility, and a max win of 5,000x your stake, it’s a BTG title that flew under the radar compared to its flashier siblings. Try it in demo mode above before committing real money — you’ll want to understand the gem collection mechanic before you wager a penny.

A Forgotten BTG Gem That Deserves a Second Look

Here’s the thing about Kingmaker: it launched in the shadow of Bonanza and Extra Chilli, two Megaways titans that swallowed all the oxygen in the room. That’s a shame, because this slot has a personality of its own — a quieter, more methodical burn that rewards patience over pure luck. The medieval theme is genuinely well-executed, with a moody colour palette and a soundtrack that doesn’t make you want to mute after five minutes.

If you need constant dopamine hits every three spins, close this tab and go play Bonanza. If you want something closer to White Rabbit’s structured bonus build but with lower ceiling potential, Kingmaker is your slot. Compared to Extra Chilli‘s gamble-your-spins chaos, Kingmaker feels more deliberate, more strategic. It’s BTG for grown-ups.

How It Actually Plays

Kingmaker uses the standard Megaways engine: each reel displays 2-7 symbols per spin, creating up to 117,649 paylines. Wins cascade, removing winning symbols and dropping new ones in — the mechanic BTG popularised years ago. The base game includes reel modifiers that can fire randomly, adding wilds or increasing reel heights on any spin.

The math here matters. A 5,000x max win on high volatility means you’re not chasing a 50,000x moonshot. Sessions feel grindier than something like Megaways slots with higher ceilings. Base game wins frequently land in the 5x-30x range during good cascades, but dead spins come in streaks. In our testing, we noticed roughly 35-40% of spins returned absolutely nothing. The cascading wins compensate when they arrive — a single spin can chain 4-6 cascades and suddenly you’re looking at 80x from nowhere.

The Bonus Round

Three or more crown scatter symbols trigger the free spins bonus round. You receive a base of 12 free spins, with additional scatters awarding more. Here’s where Kingmaker gets interesting: the gem collection mechanic. During free spins, collecting gems on specific reels unlocks multipliers that stick for the remainder of the round.

The multiplier builds incrementally — we’ve seen it reach 5x-8x in average bonus rounds and occasionally push higher. Combined with the Megaways cascade mechanic, a late-round cascade with a built-up multiplier is how you hit the big numbers. In our sessions, the bonus triggered roughly every 180-220 spins, which is typical for high-volatility BTG slots.

Pay range in the bonus varied wildly: we hit bonuses returning as low as 8x stake and as high as 387x. The median sat around 40-60x in our sample, which means most bonus rounds are decent but not life-changing. The 5,000x cap requires everything to align — max ways, strong premiums, and a fully-built multiplier cascading late.

What 100 Spins Looks Like

• Starting balance: £100 (£1 stakes)
• Spins 1-25: Slow bleed. Two small cascade chains (3.2x and 7.8x). Balance: £88.00
• Spins 26-50: A reel modifier fired on spin 34, adding wilds across reels 2-5. Resulted in a 28x win. One dead run of 11 consecutive spins. Balance: £97.40
• Spins 51-75: Nothing notable. Grinding territory. A few 1-2x returns kept us treading water. Balance: £79.60
• Spins 76-100: Bonus triggered on spin 89 (three crowns). 12 free spins returned 54x thanks to a 4x multiplier built from gem collection. Balance: £114.20
• Without the bonus, we’d have ended at roughly £60 — a 40% loss over 100 spins.

Is It Worth Playing?

• Play if: You enjoy BTG’s Megaways formula but want something less manic than Bonanza. A bankroll of 200-300x your bet size gives you a fair shot at seeing the bonus.
• Play if: You appreciate collection mechanics that build toward something — this isn’t just “spin and pray.”
• Play if: A 5,000x ceiling is enough for you. Not every session needs to be a lottery ticket.
• Skip if: You’re chasing 20,000x+ payouts. The ceiling here is modest by modern standards.
• Skip if: You have less than £150 to play with at £1 stakes. The bonus frequency demands patience and bankroll.
• Skip if: You get frustrated by long dead stretches. This slot doesn’t apologise for them.

How It Compares

Strategy Tips

1. Budget for 250+ spins minimum. With bonus frequency around every 200 spins, anything less and you’re gambling on base game luck alone.
2. Don’t overlook the reel modifiers. These random base game events create the best non-bonus wins. They’re not cosmetic — they genuinely shift outcomes.
3. Avoid common casino bonus mistakes — check wagering requirements before playing Kingmaker with bonus funds. High-volatility slots can burn through playthrough budgets fast.
4. Use autoplay with a loss limit. Set it at 40-50% of your session bankroll. The dead stretches can lull you into chasing without realising how far you’ve dropped.
5. Play at reputable fast payout casinos so that when you do hit a solid bonus round, your withdrawal isn’t held hostage for days.

Where to Play Kingmaker Slot

Kingmaker is widely available across licensed operators. Check our list of the best slots sites for trusted platforms that carry Big Time Gaming’s full catalogue. Many of these sites offer a generous welcome bonus that can extend your session — just make sure the wagering terms work for high-volatility play.

For UK players specifically, you’ll find Kingmaker at most UKGC-licensed casinos. Some operators even offer a no deposit bonus that lets you test slots risk-free before committing. And if you prefer playing on the go, all major mobile casinos run this title smoothly on both iOS and Android.

The Bottom Line

Kingmaker is the BTG Megaways slot for people who’ve outgrown chasing impossible jackpots. Its 5,000x cap won’t make headlines, but the gem collection mechanic adds genuine depth to the bonus round, and the 96.65% RTP is solid. It’s a workmanlike high-volatility slot that rewards discipline over desperation. If you’ve bounced off louder Megaways titles, give this one a fair 300 spins before you judge it.

Key Stats

• Provider: Big Time Gaming
• RTP: 96.65%
• House Edge: 3.35%
• Volatility: High
• Max Win: 5,000x
• Reels: 6 (Megaways)
• Paylines: Up to 117,649 Megaways
• Bet Range: £0.20 – £40
• Features: Wilds, Free Spins, Megaways, Multiplier, Gem Collection, Reel Modifiers
• Release Year: 2020

Responsible Gambling

Slots are entertainment, not income. Set session limits, never chase losses, and take breaks. If gambling stops being fun, seek help immediately. Read our responsible gambling guide and visit BeGambleAware.org for independent support and resources.