Complex sentence: At World's End was rated average by critics for all the platforms it was released for, the highest average score was 64% for the Nintendo DS version and lowest 52% for the PS2 version on the video game review aggregation site Game Rankings.
Split into simpler sentences: At World's End was rated average by critics for all the platforms it was released for. The highest average score was 64% for the Nintendo DS version and lowest 52% for the PS2 version on the video game review aggregation site Game Rankings.