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The work of RG Mechanics on Assassin's Creed IV: Black Flag had a significant impact on the game's success. The game's innovative naval combat and exploration mechanics received widespread critical acclaim, with many reviewers praising the game's sense of freedom and adventure. The game's attention to detail and realism were also praised, with many considering it one of the best games in the Assassin's Creed series.
These are "moving" RGs. You must stay within a specific radius of a target while staying out of their line of sight.