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 "soccer.ini" file in the game folder. Add one of the following lines to activate the corresponding cheat function.

Effect
 soccer.ini entry 
 
Aggressive tackles
 AGGRESSIVE_TACKLE_CHEAT=1 
 
Auto Tackling
 AUTO_TACKLING=1 
 
Equal team statistics
 CHEAT_EQUAL_TEAM_STATS=1 
 
One on one mode
 ONE_ON_ONE=1 
 
Perfect goalkeeper
 ABSOLUTELY_PERFECT_GOALIES=1 
 
Practice mode
 PRACTICE_MODE=1 
 
Windowed game
 WINDOWED=1