[l0l_cabbage]

Hi! Since I am lover of hard games, I really want to make such an easy game like FFVII(PSX version, because PC version sucks) into something harder. Things I want to do:
1)Change initial materia, level, gil, items and stats.
2)Change boss stats and their drop.
3)Change/remove some treasure chests, materia, weapons and items.
4)Change level/stats limit.
5(Change weapon stats and materia slots.
And a lot of different things.
How can I do this and what program should I use?(P.S. Sorry for my English).
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Can anyone answer me?

[Jorpho]

It's been done.
http://www.romhacking.net/hacks/828/

He even lists the tools he used.

P.S. The subject line of your post would be substantially more informative if you mentioned FFVII.

[Auryn]

The place to find how to hack and tools for FF7/8 is http://www.qhimm.com/#ff7 and be sure to check out the forum but search on it because FF7 is old stuff.