Instructions
Launch PSX Emulator Cheater.
Scroll down the list to select the game you want cheats for and then check a box to activate a cheat.
Click the "Activate" bottom in the left corner of PSX Emulation Cheater.
Launch ePSXe Sony Playstation One emulator.
Insert the PSX ISO game into the emulator.
Start the emulator and all of the cheats will be activated.