Series
2020 Hit Slot series
2020 Hit Slot series: Endorphina's changing retro-fruit format
Endorphina started the 2020 Hit Slot line in 2020 by fixing retro fruit symbols, a gamble option and high volatility onto a 5x3 screen with 100 paylines. From that foundation, the year-stamped series grew by repeatedly changing the grid and hit structure while retaining the classic slot vocabulary.
Ranked by Slot Score
| Game | Year | RTP | Volatility | Slot Score |
|---|---|---|---|---|
 2020 Hit SlotEndorphina | 2020 | 96% | High volatility | 62 |
 2022 Hit SlotEndorphina | 2022 | 96.03% | — | 58 |
 2023 Hit SlotEndorphina | 2023 | 96.01% | High volatility | 81 |
 2023 Hit Slot DiceEndorphina | 2023 | 96.01% | — | 64 |
 2024 Hit SlotLatestEndorphina | 2024 | 96.05% | Low volatility | 59 |
 2021 Hit SlotEndorphina | — | 96% | — | 50 |
The first reversals were toward smaller formats. 2021 Hit Slot strips the screen back to three reels, three rows and five paylines, keeping the gamble feature but dropping the more elaborate 5-reel specification. 2022 Hit Slot returns to 5x3 reels with 22 paylines, wild and scatter symbols and the same double-or-nothing risk option.
The recurring Hit Slot code
- Year marker: each title presents itself as a revision of the format rather than a narrative sequel.
- Symbol language: fruit, stars, clovers and other retro-casino icons keep the games immediately readable.
- Post-win risk: a gamble or double feature persists even when the reel layout changes.
- Deliberate instability: the franchise moves between compact paylines, thousands of ways and different volatility profiles instead of protecting one fixed engine.
2023 Hit Slot is the mechanic-shift release. Its 6x4 screen produces 4,096 ways, while free spins, wild multipliers and bonus buy support a 93,750x maximum. 2023 Hit Slot Dice keeps 4,096 ways on a 6x3 grid but reduces the ceiling to 3,125x. 2024 Hit Slot then swings back to a 5x3, 10-payline game with low volatility, making it the clearest counterpoint to the high-volatility 2023 edition.
The sequence in mechanical terms
- 2020 Hit Slot: 100 paylines and high volatility establish the larger fixed-line starting point.
- 2021 and 2022: the line contracts first to five paylines, then expands to 22 without abandoning the gamble function.
- 2023 Hit Slot: 4,096 ways, bonus buy and multiplier free spins produce the series' largest listed ceiling.
- 2023 Hit Slot Dice: the same ways count runs on one fewer row with a much lower 3,125x maximum.
- 2024 Hit Slot: 10 paylines and low volatility reset the pacing around a simpler reel model.
The useful comparison is therefore not one year's artwork against another's. This series acts as an annual-style test bench for classic fruit-slot math: the symbols remain familiar while screen size, win evaluation, volatility and maximum exposure move sharply between editions.