All rules from 1920s still stand with the following changes:
- Traits: Any Sim who becomes a Young Adult in this era must take one of the following traits when they become a Young Adult: Gloomy, Mean, or Noncommittal.
- Education
- High school no longer has a fee.
- University: Kegs are allowed.
- Career
- Anyone who has a career at the start of the 1930s must lose their job. After 1 Sim week they may have their job again.
- Teens who do not go to school, Young Adults, and Adult Sims MUST scavenge, fish, garden during the week of unemployment.
- Sims may NOT join the Business career anymore.
- The silent film era has ended. Your Sims may have the Acting career.
- Part-time work: Men can be a fisherman, lifeguard, or manual laborer. Women can be a babysitter, lifeguard, manual laborer, or retail employee. Teens and Elderly cannot have part-time work.
- Financial:
- Bills are only allowed to be paid once the electricity is cut off.
- Added Difficulty: Wait until the water has also been cut off to pay the bills.
- War veterans can receive a pension of §100 per veteran (money cheat).
- Added Difficulty: To simulate the stock market crash, reduce your total household funds by 40% at the start of the decade (money cheat).
- Bills are only allowed to be paid once the electricity is cut off.
- Holidays
- Add “Mischief Spirit” to the Halloween traditions.
- Miscellaneous
- Prohibition ends, you can drink alcohol again.
- Sims may only have one hot-cooked meal per day. Otherwise they must eat food found from scavenging, fishing, and gardening.
- Sims cannot create medium or large paintings, only small paintings.
- Sims may purchase a camera and tripod.
- Small pets began to gain popularity, you can own a pet hamster or rat (but not a hedgehog or bubalus).
- Sims can shop at the Thrift Store.