The SteelSeries Rival 100 was an entry-level ergonomic mouse at 84 grams wired with the SDNS-3059-SS sensor, offering a smaller version of the Rival shape at $29. The Rival 100 targeted budget-conscious gamers and those with smaller hands who found the full-size Rival too large. Its simpler sensor was adequate for casual and mid-level competitive play. The Rival 100 was one of SteelSeries' best-selling mice globally, particularly popular in markets where gaming peripheral budgets were limited. It introduced many players to SteelSeries' brand and build quality. The Rival 100 served as proof that a good gaming mouse didn't need to cost $70 or more.