With a staggering 98 percent of user reviews being positive on the Steam Store, Garry's Mod can be considered fun. There are approximately 130,000 reviews by users submitted, and about 127,000 are categorized as positive. These reviews are submitted in droves on a daily basis.
Steam Store's reviewing system is renowned for its simplicity and accountability. Any user who owns a particular game can write a review, positive or negative, about that game. These reviews are made public on that game's store page and can be voted on by the gaming community based on helpfulness. With these systems in place, Steam can filter spam reviews and keep content relevant.