Ys: The Oath In Felghana

Cheat mode:
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "ysf_win.ini" file in the "/documents and settings/<username>/application data/falcom/ysf_win/" directory. Locate the "[game]" heading and change the following lines to:

GameClearFlag=3
GameClearFlag=1

Start a new game or load a saved game. Time attack mode will now be available. . Now you can play time-attack mode even without clearing game at least once. Press one of the following keys to activate the corresponding cheat function. Alternately, defeat Galbaran in Nightmare mode, then defeat Berhard to unlock cheat mode.

Effect	Key
Gain one level	[F2]
Gain 1,000 gold	[F3]
Gail 1,000 Ravaal steel	[F4]
Maximum HP	[F5]

Nightmare mode:
Successfully complete the game under the hard difficulty setting.

Inferno mode:
Successfully complete the game under the nightmare difficulty setting. Note: This requires the patched version of the game.

Time attack mode:
Successfully complete the game.

Alternate costumes:
Successfully complete the game to unlock a new costume for Elena. A different costume will be unlocked, depending on the difficulty setting. To access them, enter the configuration screen, then right click Elena.