By rewarding "chains" (consecutive matches) with enchantments, the game creates a feedback loop where skill is immediately met with increased capability.
The speed of the orbs and the "snap" of a successful match provide immediate sensory rewards. sparkle-2-pc-game-free-download-full-version
Here is a short paper exploring the mechanics and appeal of this specific title. The Geometry of Satisfaction: A Study of Sparkle 2 1. The Lineage of the Marble-Shooter sparkle-2-pc-game-free-download-full-version