No... there is no regigigas in Pokemon Mystery Dungeon Blue Rescue Team. Do you know why? If not... I will tell you. This is because regigigas is one of those new Pokemon from the sinnoh region which was not invented during the time of Pokemon Mystery Dungeon Blue Rescue Team. However, I believe you can find a regigigas in Pokemon Mystery Dungeon Explorers of Time, Darkness, and Sky.
Has to be Blue, In my opinion.
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figure out your self
u can get him at the berred relic
you see every pokemon.
you don't he's in explorers of time,,darkness, & sky.
he is like lvl 47
Then you have to beat Darkrai.
no
No, you can not get Lucario in Mystery Dungeon Blue.
go to darkrai level and beat darkrai
You go to mt.travail to meet drowzee
You need to get Darkrai on your team and suck his &½!^
dont no
aegis cave at level 49, along with regirock, regice, and registeel.
No, only joy seeds are available in Mystery dungeon Blue and Red
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