>>48596509No Altair and Sirius are the first games in the series, and it was released somewhere back in 2010. They're one of the few Japanese hacks that got attention in the rest of the world and got translated. They are two games, as you could have guessed and have version differences in Pokémon and other stuff.
Then the sequel to that game is Vega, which is a very acclaimed Ron hack that takes place in a brand new region based on Tohoku (south of irl Sinnoh). It has bullshit difficulty but there are patches that fix it. It's one of the few good original Pokémon ROM hack experiences. Original soundtrack, tons of great fakemon etc. It was released sometime after the first game but I don't remember when. Both games are fully completed. Then there is Procyon and Deneb, which are the games that they are now working on since the last 7 or so years. It's not completed by there's a beta upto the 6th gym IIRC. It looks absolutely stunning. Also all the games share the same protags