i bet nobody has found out the cheats yet huh? press "i" in game to make yourself invincible, permenantly. press "m" to give yourself a medkit and temporary invincibility. press "k" to kill all enemies on screen.
sergito, the reason you get weaker is becuase of "potion waste". if you beat the first and second, you know that too many potions makes you weaker, until you cant attack at all. so no, its not a bug.
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