the sims resource (often referred to as simply tsr) is a sims custom content( also known as “cc” ) site offering custom content for all sims games which can be downloaded with the intent to alter and/or expand the games. the site offers a wide variety of furniture, hairstyles, clothing items, residential lots, etc. which can all be downloaded for free and installed into people's games and used in gameplay. it was formed in 1999 by a group of players who were tired of the limitations instated by the official sims creators. to date, tsr has 866k+ custom floors, walls, objects, clothing, hair, and make-up to download for "the sims", "the sims 2", "the sims 3", and "the sims 4". as of 2010, the site counts 2.2 million members and about 680k mods.