How to make a character unlockable?

[LPRe]

How would I go about making a character unlockable if the player's achieved any of the other endings -- or just a specific ending? Would I just make a true/false sort of thing or is there a better way of going about it?

[Luxliev]

True false is good idea.

Place new variable in init block

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init:
    $ new_unlocked_character_john = False

Place this code with good indentation at the moment character is unlocked

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$ new_unlocked_character_john = True

At the start of the game at any moment in the code you can do something like this to add for example text of new character or just show him at any point

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if $ new_unlocked_character_john == True:
    show john
    john "Wasup."

You can now ask game at any time to run specfic code if something is true (in this case unlocked john)

[Zetsubou]

I don't think regular variables will do the trick. You'll need persistent data.