Game software developer Square Enix Co said Tuesday its group net profit jumped 35.8 percent in the 2004 business year from the previous year to 14.93 billion yen as its online game services achieved strong growth. Group pretax profit for the year ended March 31 increased 41.9% to 25.9 billion yen on 73.86 billion yen in sales, up 16.9%. Per-share group net profit rose to 135.63 yen from 100.04 yen.