Online gaming software designer Playtech said it was comfortable with full year market expectations after a robust set of fourth quarter figures.Total revenues during the final quarter ending 31 December 2010 rose 21% to €36.9m and up 13% from €32.5m in the third quarter. Activity among Playtech's gambling technology products was strong in the first weeks of January, rising 11% from the year earlier. Total revenues for the 12 months to 31 December 2010 was up 24% to €142.3m.Gross income for for the final quarter was up 14% to €43.9m.The group also announced it was buying a casino management systems firm for an initial £2.5m."Growth from our existing business, when combined with the new licensees either just launched, or due to launch shortly, gives us a solid platform for 2011," said chief executive Mor Weizer in a statement.