Ninja Gaiden Sigma Plus for Vita will be added to the US Instant Game Collection this week, SCEA has confirmed.
The Instant Game Collection is a selection of titles made available to PlayStation Plus subscribers at no extra cost for a limited time.
Other deals coming in this week's US PS Plus update - scheduled for tomorrow, January 29 - will be a 30 per cent discount on Madden 13 for both PS3 and Vita (PS3: Original Price $41.99; PS Plus Price $29.39, Vita: Original Price $27.99; PS Plus Price $19.59).
PS3 games Gatling Gears, Section 8: Prejudice, Greed Corp will also see discounts of 50 per cent.
Earlier today Sony detailed new content and updates coming to EU PS Plus subscribers in February, including Sleeping Dogs and WipEout 2048.