Pokemon Sun Moon is a fan-made Pokémon ROM hack for the Game Boy Advance that re-imagines the Alola experience in classic GBA form. Inspired by the Nintendo 3DS titles Pokémon Sun and Moon, this hack blends Alola-style Pokémon, island-themed storytelling, modern mechanics, and updated battles into a smoother, faster retro format that’s perfect for browser play.
Pokemon Sun Moon is designed for players who loved the atmosphere and creatures of the Alola region but prefer the classic top-down GBA style. It delivers a fresh Pokémon journey with reworked encounters, modern move pools, and new story events — all while staying familiar to long-time fans.
Rather than being a simple reskin, this hack focuses on pacing, balance, and replayability. You’ll notice smarter trainer teams, more meaningful wild encounters, and smoother progression from the very beginning of your adventure.
Expect a familiar Pokémon structure — routes, towns, bosses, rival encounters — but layered with Sun & Moon-style design ideas. Teams are more diverse, battles are more engaging, and progression feels less grindy than traditional vanilla playthroughs.
Is Pokemon Sun Moon an official game?
No. It is a fan-made ROM hack inspired by Pokémon Sun and Moon.
Is it harder than FireRed?
Generally yes. Trainers are improved and battles are more strategic.
Can I play on mobile?
Yes — RomHaven lets you play directly in your browser on both desktop and mobile.
Does it include Alolan Pokémon?
Yes — the hack focuses on Alola-inspired content and mechanics.