Steam top ten sellers: May 31 - June 6

New contenders have arrived to challenge the likes of GTA and The Witcher franchises on Steam's latest weekly top ten selling products list.

Lego Worlds makes it debut in third, while Early Access newcomer Ark: Survival Evolved vaulted ahead of Grand Theft Auto V and into first for the week. The Witcher 3: Wild Hunt and Valve's own Steam Controller round out the top five.

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