Individually, each title has generally been received well by critics. GameRankings, a video game review aggregator website, determined that "Blood Omen" received an average review score of 83.25% on its PlayStation debut, that "Soul Reaver" achieved 88.16% on the PlayStation, that "Soul Reaver 2" was ranked at 80.71% on the PlayStation 2, and that "Blood Omen 2" and "Defiance" scored 73.33% and 77.72% on the PS2 and Xbox, respectively. Metacritic, which similarly aggregates reviews, calculated that "Soul Reaver 2" and "Defiance" received generally favorable reviews on multiple platforms, that "Blood Omen 2" ranged from mixed or average to favorable scores, and that "Soul Reaver" achieved universal acclaim; "Soul Reaver" was also Amy Hennig's self-proclaimed greatest achievement. Later games in the series were criticized for repetitive gameplay elements and review scores of subsequent titles trended downward.