Portal 2 is an outstanding sequel. The difficulty curve is well balanced and the puzzles are challenging but not irritating, with the witty and humorous character dialogue and vistas we are rewarded with making me look forward to completing each one. On a technical level, the game performs outstandingly, with little to no glitches compared to the original, and the graphics hold up even against today's standards without proving to be a burden on the computer.

Portal 2 is an outstanding sequel. The difficulty curve is well balanced and the puzzles are challenging but not irritating, with the witty and humorous character dialogue and vistas we are rewarded with making me look forward to completing each one. On a technical level, the game performs outstandingly, with little to no glitches compared to the original, and the graphics hold up even against today's standards without proving to be a burden on the computer.