The Legend of Zelda: Majora's Mask/Using Your Time Wisely
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For extra time, play the Song of Time backwards. This causes events and time to move half-as-quickly, making it easier to complete temples that would otherwise give you trouble. However, enemies are just as dangerous since the reversed song only affects the events within the world. In addition, you can skip time by playing each note in the Song of Time twice, if you are trying to complete a single task.
The Bunny Hood is very useful for trying to move around Termina faster. If this doesn't seem to help your game play, pre-read the walk-through and understand what you need to do. In particular, you may want to study when certain events will occur and plan your movements accordingly.
