You don't need a core or script mod to make sims stop doing annoying behavior or have them perform a task autonomously, etc. Though Tuning Mods are one of the simplest forms of modifying your game, sometimes that's all you need. Whatever the case for your interest, you shouldn't feel unable to make changes because you 'don't know how'. Some people find tuning mods and want to make changes that fit their needs, while others see behavior in their game they would like to change. 1.4.1.3 MOTIVE ADVERTISING AND FULFILLMENT.1.3 OPENING THE GAMEPLAYDATA.PACKAGE IN S3PE.