This hack is updated very frequently so the links present below are probably outdated. You are encouraged to get the hack directly from official sources such as the Discord or the Pokecommunity thread. This, and most other improvement hacks which don't change the story, are usually beatable as they start off with an already complete game Emerald in this case. That said, this hack gets updated very frequently. And yes, this is a GBA hack and it can be played on a phone.
Here it is, the super hard mode of Pokemon Emerald, inspired by Firered Omega and Pokemon Stadium, with extra features such as legendary pokemon events and some postgame content. All Pokemon can be caught in this version, but in order to get access to all of them, you will have to beat the game, and this one pulls out all the stops. How hard is it? People say nuzlocking and high level gaps is hard; this one is completely unforgiving to misclicks, misplays, and other mistakes, and there is enough enemy variety to be overwhelming to casual play of Emerald Kaizo.
You can even get a few cool things by doing so. Forgot password? Account Name. Password Forgot password?
ROM hacks , also known as hack games or ROM patches , are video games that have been edited or altered by enthusiasts. The hackers achieve this by changing the code of the R ead- O nly M emory of a published video game to create something new. There is a distinction between ROM hacks and "bootleg games".