Joining PlayStation 4 titles Resogun and Contrast in the PlayStation Plus Instant Game Collection this month in Europe are GRID 2, Guacamelee!, Sonic and All-Stars Racing Transformed (PS Vita), and Grand Theft Auto: Liberty City Stories. Those first two arrive on November 29, while everything else will be rotated in on November 27.
Besides being a great game in its own right, Guacamelee! also supports Cross-Buy. Definitely make some time to play through this -- with a friend if possible. I'm less familiar with All-Stars Racing Transformed on Vita, but the console/PC counterpart is one of my favorite kart racers in years. Even if you think you're burned out on the genre, give it a shot and let the nostalgia flow.
If you're wondering about November's PS Plus games in North America, those can be found here.
PlayStation Plus in December: Resogun, Guacamelee, GRID 2, more [PlayStation Blog]