Slot
Stone Age (Endorphina): how the game works
With Stone Age, Endorphina combines fantasy worlds and magical creatures with a grid of 5 reels and 20 fixed paylines. Most of the action comes from wild symbols, free spins and a bonus game. Below you will find a plain explanation of the rules, the bonus flow and the rhythm of play, without hype and without numbers that are not documented.
Key facts
- Provider
- Endorphina
- Game type
- Slot
Grid and pay model
The base game of Stone Age runs on 5 reels and 20 fixed paylines. That geometry sets the pace: each spin is quick to read, combinations are easy to spot and the paytable inside the game shows the value of every symbol for the chosen bet.
Reading the paytable
Before the first spin of Stone Age it is worth opening the paytable once. It shows the value of every symbol for the selected stake, which symbols act as wild or scatter and how each feature is triggered. Values update when the bet changes, so the screen is always a reliable reference during the session.
Wild symbols
The wild in Stone Age substitutes for regular symbols to complete winning combinations. Scatter or bonus symbols are usually excluded, as described in the paytable. Wilds are the most frequent helping hand in the base game.
Free spins
In Stone Age the free spins round is the core of the bonus. It is triggered by the symbols described in the paytable and plays out without new stakes, usually with an extra rule that makes spins more valuable than in the base game. Much of the game's potential is concentrated in this round.
Bonus game
Besides the regular spins, Stone Age has a separate bonus game with its own screen and rules, explained in the paytable. It breaks the rhythm of the base game and gives a different way to collect prizes.
Theme and atmosphere
Endorphina dressed Stone Age in fantasy worlds and magical creatures. The theme is more than decoration: special symbols and bonus screens are designed around it, so features feel part of the story rather than added on top. Controls remain simple on both desktop and mobile.
Playing responsibly
Stone Age is a game of chance and every spin is independent. Short sessions can differ a lot from the long-term average, so it is wise to set a budget before starting, take breaks and treat any win as a bonus rather than a goal.
On mobile and desktop
Stone Age runs in the browser on phones, tablets and computers. Buttons scale to the screen, the paytable stays readable and the game keeps the same rules on every device, so a session can start on one screen and continue on another.
FAQ
What is the layout of Stone Age?
Stone Age uses 5 reels with 20 fixed paylines.
What are the main features of Stone Age?
The official feature list includes: Wild, Free Spins, Bonus Round.
Can I play Stone Age on mobile?
Yes. The game runs in the browser on phones, tablets and desktop computers with the same rules.
Source and last update: 2026-10-26
Mechanics from the studio’s game information; figures such as RTP are shown only with a source.