*deep breath* Dining Dining Dining!!, Cinema (In a variety of flavors 3D, GV Gold Class, etc), Football, Tobogganing, Cycling, Running, Swimming, Theatre, Playing bubbles, Wall Climbing, Shopping, Universal Studios, Feed the birds at Bird Park, Walk through the bat cage at night safari, feed the elephants at the zoo, take part in one (or more) of the millions of running events throughout the year, Mount Faber cable car, Singapore Flyer, BBQ, Learn a language, bowling... and much much more
and thats all before stepping across to Malaysia!!