Arcade machines have evolved beyond visual and auditory stimuli to incorporate multi-sensory experiences, including scent and wind effects. These external enhancements are designed to deepen player immersion by engaging additional senses.

Scent effects are typically integrated using small, programmable scent dispensers installed within or near the machine. These devices release specific fragrances timed with in-game events—like the smell of gunpowder during a shootout or ocean breeze in a pirate game. The dispensers use cartridges or liquid solutions to produce scents quickly and dissipate them without lingering.

Wind effects are created using compact fans or air blowers strategically placed around the machine. For example, racing games might simulate speeding through tunnels with bursts of air, while horror games could use subtle breezes to heighten tension. The intensity and direction of the wind are often synchronized with on-screen action for realism.

Both scent and wind systems connect to the arcade machine’s main control board, allowing developers to trigger effects via software. This integration ensures precise timing and enhances the overall gameplay experience.

By combining these sensory elements, modern arcade machines offer a more engaging and memorable experience, pushing the boundaries of traditional gaming.