This is the revised version that now includes 3–4 of **The Evolution of Slot Machines**. Because slot machines have become more complex & advanced over time, the slot meta has changed dramatically as well. **Trummy game allhe earliest days of slot machines**. Choosing which machines to play and employing strategies to improve one's chances of winning were restricted in the early days of slot machine gaming. ** Technological Developments**. But the slot meta has also evolved as technology has. A vast array of slot machines with distinct features and gameplay mechanics are available to players nowadays. **Raised Prospects of Success**.