Hardest Onyx Engine games

2 games, 0 with a community rating and ranked first.

No community rating yet — ordered by popularity

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1. South Park: The Stick of Truth

3 Difficulties

2014 / Xbox 360, PlayStation 4, PC (Microsoft Windows), and more

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2. Dungeon Siege III

3 Difficulties

2011 / Xbox 360, PC (Microsoft Windows), PlayStation 3