Encontre o arquivo ?default.ini? na pasta system dentro do diretório onde o game foi instalado, utilize o bloco de notas ou outro editor. Caso este arquivo tenha o atributo somente leitura, apenas clique com o botão direito do mouse sobre ele, selecione propriedades e desabilite esta opção.

Para ficar invencível, encontre estas linhas:
Difficulty]; Player Damage multiplier - damage player takes from AIs
Difficulty_Player_Damage_Easy__d=1.0
Difficulty_Player_Damage_Normal__d=1.0
Difficulty_Player_Damage_Hard__d=1.25
Difficulty_Player_Damage_Real__d=1.75

e mude-as para
Difficulty]; Player Damage multiplier - damage player takes from AIs
Difficulty_Player_Damage_Easy__d=0.0
Difficulty_Player_Damage_Normal__d=0.0
Difficulty_Player_Damage_Hard__d=0.0
Difficulty_Player_Damage_Real__d=0.0

Para ficar matar seus inimigos facilmente, encontre estas linhas:
AI Damage multiplier - damage AIs take from player
Difficulty_AI_Damage_Easy__d=1.25
Difficulty_AI_Damage_Normal__d=1.0
Difficulty_AI_Damage_Hard__d=0.75
Difficulty_AI_Damage_Real__d=1.5

e mude-as para
Difficulty_AI_Damage_Easy__d=4.25
Difficulty_AI_Damage_Normal__d=4.0
Difficulty_AI_Damage_Hard__d=4.75
Difficulty_AI_Damage_Real__d=4.5

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