Tickets are on sale at the Millennium Stadium Ticket Office in St Mary Street, Cardiff, via the WRU website (www.wru.co.uk) and from the Millennium Stadium Ticket Hotline (08705 582 582).
Tickets for Saturday's game against South Africa are available in the Â£42 and Â£36 categories. Tickets for either Romania or Japan are priced Â£8 (adults) Â£4 (children) before Saturday and Â£10 (adults) and Â£5 (children) on the day of the game.
On the day of the game tickets will be available for purchase at the Cardiff Blues ticket office in Westgate Street (opposite the Angel Hotel) and at ticket booths at Gates 6 and 7.
Pre-ordered tickets will be available for collection from the Millennium Stadium Ticket Office in St Mary Street.
To date, more than 150,000 tickets have been sold for the four games:
Wales v South Africa - 53,000
Wales v Romania - 20,000
Wales v New Zealand - 57,000
Wales v Japan - 25,000
Ticket sales for the game against the Tri-Nations champions South Africa are already 9,000 ahead of the crowd that watched the two teams in Pretoria in June and at the second highest level for any game between the two countries in the UK.