[updated!] Here you are!

1. Ice-Skating at Kallang Leisure Park [KLP]
Entrance Fee :
$16 for skating [exclusive of socks and gloves]
$3 for not skating. :X
$2 for pair of socks ( if you do not have)
$2 for pair of gloves. (if you do not have)
Things to take note (TTTN) : There are interchange hours where they will asked you to leave the rink for polishing. and your entrance fee is still running. ):

2. Paintball
could not find the one at bukit batok, but found this at yishun, haha!

RED DYNASTY PAINTBALL PARK.
Fees.

PACKAGE A - The Shooting Gallery (30 paintballs per pax) - $10.00 per pax
(for 1st timers and novice)
duration : 1/2 hour?

PACKAGE B - JAMES BOND (50 paintballs per pax) - $25.90 per pax
(for novice and above?)
Duration : 1hr minimum.

PACKAGE C - THE GODFATHER (100 paintballs per pax) - $35.90 per pax
(for novice and above)
Duration : 1.5 hours

PACKAGE D - RAMBO (250 paintballs per pax) - $49.90 per pax
(novice and above)
Duration : 2hrs.

I think is really costly? Cos after reading e website, to enjoy the game is Package B or C, and D, if you can afford. haha. Maybe the paintballs teach you to handle scarce resources wisely. Laughs.

TTTN : website : http://www.weplaypaintball.com/Prices.html

3. MINDSCAFE! woo, got interested.

found this promotion that is ongoing. haha.
Weekday Happy hour promotion
From 2pm to 6pm.
at 5 dollar per person for 4 hours of board games. with freeflow of drinks
http://www.themindcafe.com.sg/TheMindCafe_latestpromotion_happyhours.php
I think this is worth it? cos the others sound very comboic! haha
lets hope we will not get bored after all the "boredgames". laughs!

http://www.themindcafe.com.sg/TheMindCafe_index_default.php

4. Singing sessions!
There are lots of Karookae around e neighbourhood.
will update again, Website hanged. D: