What is emerald kaizo?

Emerald Kaizo is a ROM hack for the classic Pokémon game Pokémon Emerald. It is known for being an extremely difficult version of the original game, with challenging battles and puzzles. The game includes increased difficulty in gym battles, elite four battles and trainer battles, as well as different wild Pokémon with increased levels and altered evolution methods. It also introduces new events and challenges to the game, such as changing the way that the player earns money and items. Emerald Kaizo is popular among hardcore Pokémon fans who are looking for a difficult and challenging gaming experience. However, it is not recommended for casual players or those who are easily frustrated with difficult games.