Portal takes the puzzle mentality of games as old as Tetris and other 2D sidescrollers and transports it into the modern 3D space of first person shooters, though perhaps this is a bit of a misnomer as there isn't actually shooting in the traditional bloodthirsty connotation. Instead, you're given a marvelous Portal gun which greatly resembles the Gravity gun from Half-Life 2. Just as that "gun" was more of an experimental piece of equipment than an actual deadly firearm, here too the Portal gun functions in a unique manner to aid in your adventures. Rather than terminating foes, you create portals in solid matter to bypass obstacles in the environment and traverse in odd, sometimes paradoxical pathways. These dimensional holes cut into the walls and floors of the laboratory also afford Portal the unique distinction of being one of the only FPSs ever to allow you to witness your own body in front of you, without the aid of mirrors. The mind-bending nature of these portals is what gives the game such a playfully devious character and even jaded hardcore gamers who've long exhausted their stockpiles of FPS games will find it hard not to giggle at the intensely creative and ingenious environmental puzzles that Valve has conjured up in its technological cauldron.
While an imaginative and refreshing new twist on the FPS genre, Portal is let down by its short length. This is not a particularly grievous complaint as the game was meant to be a sort of free extra treat in The Orange Box, already a steal with its plethora of games, but one cannot help feeling somewhat disappointed when they've arrived at the end of this rather loopy and wholly captivating diversion of time. Truly, "short and sweet" is how the game can best be characterized, yet if only that sweetness could have been prolonged somehow!
The problem with most puzzle games, and which Portal inevitably succumbs to, is the fact that they're only good for the first time. Replaying this game two years after I first completed it, there was a sensation of repetition and familiarity. Some of the harder and more intricate puzzles took me a mindful pause to remember what the solution was, but the overall playthrough was greatly reduced from my first time, as the answers were all still within my memories. There was no great epiphany, no moment of "Eureka!" that you had over and over again from the first playthrough. This is a problem that you find in all puzzle games, they just don't warrant repeat plays as the puzzle's already been solved. After that initial breakthough, you're just left with a sense of treading water. That ebullient feeling of discovery and the satisfaction of cracking the proverbial nut is lost forever, and that's a shame. It's just the nature of puzzles, and a few other genres as well. Trivia games are another example where you have this issue. The first time, you're stumped, but subsequent games are no brainers as you've learned the trivia and there's no challenge left.
But Portal's first time through is a truly marvelous and rather pure gaming experience which has few equals in the modern gaming landscape. It's one to treasure.
