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The Sims 2 Study If a household member who is a teen or older offers or is asked to help with a child's or teen's homework, that Sim will be able to learn how to study. Some third-party character-editing programs may allow the player to edit a Sim's Cleaning skill.
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It cannot be changed or improved within the game, unless Sims use an object that has been hacked to affect Cleaning. However, the skill doesn't appear in the Control Panel.
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All playable Sims and Townies have Cleaning skill, even if it's zero. The Sims Cleaning In The Sims, Cleaning is a hidden skill that's mostly used by the maid, community lot janitors, Servo and Bonehilda.
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