Executable code modifier?

danielpereira writes: You can use a Hex editor(like xvi32 or Hex Editor Neo) or a disassembler (like CheatEngine or IDA) to edit the .exe .
But, you'll need some assembly knowledge to edit the .exe properly.

Taichi San's quickpatcher was just a tool to apply Hex editing patches. You can e-mail her (her e-mail address is in her profile) if you want that tool...