First you go to the dark street, then you talk to the man, open the door ,DO NOT GO IN THE STORE, go back to the normal street then talk to Morshu. that's how to get the secret ending

once you do everything go to morshu and press act the press tell a secret.... but you have to do everything under 40 secs

Its fairly easy, just steal from the trashcan man, buy the weed, push the wall, go get the gun and kill the store owner, and that's all you need before you go talk to Morshu and say "tell a secret" and even if its in only 40 seconds its really easy, I did it first try.

actually, I saw a speedrun, I beat the ending btw. to get it you have to do everything that you can do in the game (but only the things i'm going to list have to be done, and they don't have to be in a certain order) Look for rupies, rob the homeless man (you have to go to the town, then check the trash can to do it) then, get a job as a plumber (it's the only job you can do for some reason) then, rob the small store, after that, go to the dark street, talk to the man, and buy his YUMMY DRUGS, then, open the secret door in the dark street, (DON'T OPEN THE STORE) then, go to Morshu, act, and then tell him a secret, and you get the ending :) I hope this works, 'cause that's how I did it :)

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