Portal 2 Review April 19, 2011 Portal 2 is an accessible, clever, and downright hilarious adventure into the eccentric world of Aperture Science..Click on Read More to check out The Good, The Bad and the critic scores Immensely clever writing Portal mechanics combine with new elements for delightful puzzles Cooperative campaign creates intriguing situations New characters are hugely entertaining. Frequent load times No challenge maps or leaderboards to inspire competitive play. 9.0 9.5 10 10