From their Facebook Page:
Zundo will be turning 2 this July, and to celebrate, we will be having a 50% off promotion for ALL ramen dishes!
* only ramen dishes. Does not include toppings, donburi, curries, salad,small dishes, salad, desserts and drinks.
When: 8th and 15th July 2014
Time:5pm-9pm (last order 8:30pm) however, the offer will end when the soup runs out!
Menu can be found on there Facebook Page here
Address: Shop 10.30 World Square, 644 George st, Sydney, Australia 2000
I went a few times last year. If you get there after 5.30 there's about an hour wait if last time is anything to go by, so best to get in early.