Slot machines are undeniably the most iconic symbol of any modern casino environment.

However, these incredibly advanced digital games had very humble mechanical beginnings.

Charles Fey and the Liberty Bell

The history of slots officially began when Charles Fey introduced the Liberty Bell machine.

It featured three spinning reels and five simple symbols, including horseshoes and a cracked bell.

• Invented in San Francisco
• Featured automatic payouts
• Used mechanical levers

The Introduction of Electricity

For decades, machines remained purely mechanical, requiring a physical pull of the lever.

Electromechanical technology allowed for new features like bottomless hoppers and automatic payouts.

The Rise of Video and Online Slots

The transition to video screens paved the way for infinite paylines and bonus rounds.

Modern internet casinos feature an endless variety of highly advanced digital slot games.

From cast iron to virtual reality, slots have constantly adapted to new technological trends.