Namco Bandai's The Witcher 3: Wild Hunt has taken the top spot UK chart and, according to sales monitor GFK Chart-Track, has had the biggest debut week for a game release in 2015 so far.The Witcher 3 beat Battlefield Hardline's sell-through by 53 percent to attain this record.The game's week-one sales were an 608 percent increase over The Witcher 2's first week sales.