The repacker's name, RG Mechanics, is not a brand. It is a verb: to rg-mechanic a game is to take its bloated, dying corpse and turn it into a lean, undead runner. And for The Sims 3 , that was the only way it could ever be truly complete.
Unlike the EA App, which forces you to install every pack to a single directory, the RG repack allows you to check a box during installation for which expansions you actually want. Don’t want Katy Perry’s Sweet Treats cluttering your build mode catalog? Uncheck it. Only want Seasons and Pets ? The repack obliges. The Sims 3- Anthology -2009-2013- Repack By RG Mechanics
The official solution from Electronic Arts? Buy more DLC, upgrade your PC, or accept the crashes. The underground solution was the repack. The repacker's name, RG Mechanics, is not a brand