Completed FireRed hack • Kanto to Alola

Pokemon Sun Sky

Pokemon Sun Sky is the Sun Sky half of the Sun Sky / Moon Galaxy duo: a FireRed-based GBA hack that starts in a changed version of Kanto set years after Red’s era, then later opens the door to Alola-inspired content. It keeps the old-school handheld feel, but layers in modern extras like Mega Evolution, Z-Moves, regional forms, Ultra Beasts, and a much bigger roster than vanilla FireRed.

☀️ Sun Sky version of a dual-game pair
🧭 Story set after Red’s time
🌴 Kanto adventure with later Alola travel
⚔️ Mega Evolution & Z-Moves
🧬 Pokémon from Gen 1 to Gen 7
🛰️ Ultra Beasts & regional forms
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About Pokemon Sun Sky

This is not just a loose “Sun & Moon style” makeover. Sun Sky is an older, ambitious FireRed project with its own story setup, its own dual-version identity, and a much more specific hook than the original page suggested.

The game begins in a Kanto that has moved on from the classic Red and Blue era. Community writeups describe the setup as happening about fifteen years later, with Pallet Town, Professor Oak’s role, and the region itself all changed from the version most players remember. That gives Sun Sky a familiar map with a different mood from the jump.

What makes it stand out is the blend. You still get the GBA engine and the comfort of a FireRed foundation, but the hack reaches for newer-series spectacle with Alolan characters, Team Rainbow Rocket involvement, regional-form content, and later Alola travel. It can feel part sequel, part remix, and part feature buffet.

What it does well

If you like big Pokémon pools, crossover-era gimmicks, and a game that constantly throws “one more thing” at you, Sun Sky has a lot going on.

What kind of hack it is

This is one of those all-in fan projects where scope matters as much as polish. The appeal is the adventure’s range, not a perfectly tidy competitive rebalance.

The story setup

Sun Sky takes place after Red’s era and starts from a fresh Pallet Town perspective. Most summaries describe the protagonist as being connected to Red’s legacy, with the early story built around how much Kanto has changed since the old games. Brock steps into the professor role, familiar landmarks get a different context, and the journey gradually expands beyond standard Kanto expectations.

That later expansion is the big hook. While the main adventure is centered in Kanto, the hack also reaches into Alola, bringing in Sun & Moon-flavored characters, encounters, and systems instead of only borrowing their monsters. The result feels less like a straight demake and more like a sequel-style mashup built on FireRed.

Worth knowing: Sun Sky and Moon Galaxy follow the same broad concept but are treated as two companion versions with different available Pokémon. You do not need both to enjoy a full run, but Sun Sky is designed as one half of that pair.
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Main features

Sun Sky throws a lot into one package, so the best way to think about it is as a “greatest hits” style GBA hack that folds in mechanics and monsters from much newer generations.

Explore more than standard Kanto

The main story lives in Kanto, but the hack later branches into Alola-related content instead of staying boxed into one region’s mood the whole time.

Gen 1 to Gen 7 roster

The available Pokémon pool stretches far beyond FireRed, giving you way more team-building variety than a normal Kanto replay.

Mega Evolution and Z-Moves

Sun Sky leans hard into flashy newer-generation systems, and trainers can use Mega Evolution too, so late fights get much less sleepy.

Regional forms and Ultra Beasts

Regional-form content and Ultra Beasts are part of the package, so the game feels tied to Sun & Moon-era identity rather than just borrowing names.

Team Rainbow Rocket angle

Instead of sticking to classic villain structure, the hack folds in Rainbow Rocket-style material to make the crossover tone hit harder.

New tilesets and visual changes

It is still recognisably GBA Pokémon, but there is enough visual remixing to stop it feeling like a plain FireRed texture swap.

Expect a few rough edges

  • Viridian Forest is widely flagged as the nastiest problem area, with reports of a crash bug there. Save before going in.
  • Some invisible blocks and odd map warps have been documented, especially in older writeups.
  • A few Pokémon sounds and learned movesets can be strange in places. This is normal for this hack’s reputation.
  • Because of the ambition level, Sun Sky is more fun when you treat it like a big fan adventure than a perfectly polished retail-style release.

Good to know before you jump in

  • Keep a rotating save habit. Sun Sky is playable and complete, but it is also known for a few specific bugs, so using multiple save states or in-game saves is just smart.
  • Build a flexible team early. The larger Pokédex is one of the game’s main strengths, so do not lock yourself into a vanilla FireRed-style team too fast.
  • Pay attention to side content. Part of the fun here is seeing how the hack mixes classic Kanto structure with later-generation extras and surprise encounters.
  • Go in for variety, not purity. This is the kind of hack people play because it crams a lot into one cartridge-sized adventure.
Browser save tip: on RomHaven, use the 💾 save icon in the emulator controls to keep a quick save, and the 📁 load icon to bring it back later. For longer hacks, it is worth doing both emulator saves and normal in-game saves.
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FAQ

What is Pokemon Sun Sky?

Pokemon Sun Sky is a completed FireRed-based GBA ROM hack by Ishrak’s PokeTips and Gohan’s Tips. It is one half of the Sun Sky / Moon Galaxy pair and mixes a changed Kanto story with later Alola content, newer Pokémon, and modern battle gimmicks.

Is Pokemon Sun Sky based on FireRed?

Yes. Sun Sky is a FireRed hack, even though its content and theme pull in a lot from Sun & Moon and other later-generation material.

Is Sun Sky the same thing as Moon Galaxy?

No. They are companion versions built around the same overall concept, with differences in available Pokémon. Sun Sky is the version you are playing on this page.

Does the game stay in Kanto the whole time?

No. The main journey is rooted in Kanto, but one of the hack’s signature ideas is that it later reaches into Alola-related content rather than staying a pure Kanto-only run.

Is Pokemon Sun Sky polished?

Playable, yes. Perfectly polished, no. It has a solid feature list and plenty of personality, but older community notes also warn about some bugs and weird map behavior, so saving often is part of the experience.

More Pokémon games worth trying next

If you like bigger-scope hacks that remix familiar Pokémon adventures, these are good next clicks.

Pokemon Sun Sky FireRed-based post-Red Kanto adventure with later Alola content
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