UPDATE: SEGA has confirmed that the Vanquish demo will be available in New Zealand on the 2nd of September.
ORIGINAL: SEGA has announced that a playable demo of Vanquish will be available next week. No date has been finalised for this region, but global dates range from the 31st of August to the 2nd of September.
The demo includes one level from the game and two difficulty settings: casual and normal.
Vanquish is scheduled for full release on the 22nd of October.