For Pokemon Blue mystery dungeon there is not a code to recruit all Pokemon monster in the game. There are several codes to help progress through the game such as spawning the Friend Bow.
it's the same as the pokemon mystery dungeon red rescue team. you can find mewtwo in the western cave once you recruited ho-oh.
No, you can not get Lucario in Mystery Dungeon Blue.
Not initially, but once you beat the game you can play as any Pokemon you've recruited to your team, including Larvitar.
In mystery dungeon Red/Blue, you can recruit it at Waterfall Pond, but first you need to obtain HM Waterfall from Solar Cave. Then, once you recruited it, at its friend area, choose become leader.
you can't trade on Pokemon mystery dungeon OK
Munchlax cannot be recruited in Pokemon Mystery Dungeon. Its appearance in Pokemon Square is simply for you to gain a new item and possibly for you to get a taste of the new generation of Pokemon. Pokemon Mystery Dungeon Red and Blue Rescue Team only recruit Pokemon up until the third generation - Munchlax being from the fourth.
Yes there is a unknown dungeon in Pokemon blue mystery dungeon! You'll have to connect with your friends if you want to go there
buy it.
nope
No, only joy seeds are available in Mystery dungeon Blue and Red
yes all Pokemon evolve in Pokemon mystery dungeon blue rescue team after you beat Rayquaza and legendary Pokemon don't evolve.
Curently, Pokemon Mystery Dungeon: Blue Rescue Team is out and available all around the world.