hi ,we were there in march ,has the entrance fee increased? in the airport cts -i think it was around 370/390 for adult ,it seemed pretty crowded when we arrived there but once inside not too bad -was quite foggy /misty for most of day ,the biggest queue was for the go cart track -wasnt that good .i just came across this a while ago https://www.facebook.com/4dadventureland http://4dadventureland.com.sg/ ,only been to the airport on route to manila