Super Mario World 2: Yoshi's Island introduced several innovative gameplay mechanics that set it apart from other platformers of its era. One of the most notable features is the 'flutter jump,' which allows Yoshi to hover in the air for a short period, providing players with greater control and precision in their jumps. This mechanic is crucial for navigating the game's intricate levels and avoiding hazards. Another key feature is Yoshi's ability to create and throw eggs. By swallowing enemies, Yoshi can produce eggs that can be used to defeat other foes, activate switches, and collect items. This mechanic adds a layer of strategy to the gameplay, as players must decide when and where to use their limited supply of eggs effectively. The game also incorporates a unique health system, where Baby Mario rides on Yoshi's back. If Yoshi is hit by an enemy, Baby Mario is encased in a bubble and begins to float away. Players must quickly retrieve him before the timer runs out, adding a sense of urgency and tension to the gameplay. These innovative mechanics, combined with the game's charming visuals and music, have made Yoshi's Island a standout title in the platformer genre.