Series
Hot To Burn series
Hot To Burn Series: from five paylines to feature-led fruit slots
Hot To Burn began in 2020 when Reel Kingdom fixed the line's identity around a 5x3 fruit screen, five paylines, medium volatility and a 1,000x maximum. The franchise grew by repeatedly replacing that simple risk profile with a different high-volatility engine, first hold-and-spin, then free spins, increasing multipliers and symbol removal.
Ranked by Slot Score
| Game | Year | RTP | Volatility | Slot Score |
|---|---|---|---|---|
 Hot To BurnReel Kingdom | 2020 | 96.71% | Medium volatility | 57 |
 Hot To Burn Hold And SpinReel Kingdom | 2021 | 95.64% | High volatility | 72 |
 Hot to Burn ExtremeReel Kingdom | 2022 | 95.63% | High volatility | 67 |
 Hot to Burn MultiplierReel Kingdom | 2024 | 95.51% | High volatility | 59 |
 Hot to Burn 7 Deadly Free SpinsLatestReel Kingdom | 2024 | 95.53% | High volatility | 71 |
The visual and mechanical constants
- Classic frame: fruit, stars and fire keep the reels legible even as the bonus rules change.
- Five-reel base: every catalog member retains five reels, with line counts ranging from five to 40.
- Risk direction: every sequel listed after the original carries high volatility.
- Feature separation: each major follow-up gives one mechanic priority instead of stacking every previous system together.
The decisive break came with Hot To Burn Hold And Spin in 2021. It expanded from five to 20 paylines, replaced the medium profile with high volatility and raised the maximum from 1,000x to 20,000x through a hold-and-win bonus. Hot to Burn Extreme widened the grid to 5x4 and 40 paylines in 2022, but redirected the feature focus toward free spins, extra spins and a bonus buy; its 5,000x cap is lower than Hold And Spin's, so the larger screen does not mean the largest ceiling.
In 2024, Hot to Burn Multiplier returned to the original five-payline footprint while making increasing and random multipliers the source of pressure, with a 3,000x maximum. Hot to Burn 7 Deadly Free Spins moved to 10 paylines and a 4,000x cap, combining free-spin multipliers with respins, extra spins and symbol removal. Both preserve the compact classic-slot shell but demand more attention to feature state than the founding game.
Five stages of the Hot To Burn formula
- Hot To Burn: five paylines and medium volatility establish the low-complexity base.
- Hold And Spin: 20 paylines and a 20,000x ceiling turn the line toward concentrated bonus risk.
- Extreme: a 5x4 grid, 40 paylines and bonus-buy access make free spins the main route.
- Multiplier: the five-line format returns with increasing and random multipliers.
- 7 Deadly Free Spins: symbol removal and free-spin multipliers create a more stateful 10-line game.
The series works as a progression through distinct risk controls. The original relies on basic payline hits, Hold And Spin concentrates value in a locked-symbol round, Extreme sells broader reel coverage and direct access, Multiplier builds escalation into wins, and 7 Deadly Free Spins changes the symbol pool during its bonus. The fruit presentation stays stable while the reason to wait for the next spin keeps changing.