Original Portal's big idea is the the 'handheld portal device', that allows subjects to open portals between two places. This means that instead of climbing a ladder for example, you can shoot a portal at the bottom, and another at the top, and simply walk through.
It's makes more sense when you play! Check out the explanatory video here.
Graphics and gameplay Portal looks good even though it was originally released in 2007, thanks to its clean, minimalist laboratory style. In game physics are absolutely perfect, and using the portals is great fun once you get the hang of it.
It's such a great idea, you might find yourself wishing you could use them in real life too! The puzzles get pretty tough, but the learning curve makes sure you're ready for the challenges when the time comes. The incredible thing about Portal is that is manages to be a compelling first person 3D adventure where your character never shoots a gun. There is a mystery behind who you are, what Aperture Science is and more, and it's fascinating to discover what's going on while you solve the puzzles. GLaDOS is one of the most iconic and effective 'baddies' you will meet in a video game too.
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Conclusion Portal is a must play. Download the demo right away and get going! Portal is an unforgettable experience, and thankfully the adventure continues in the equally brilliant sequel!
Popular first person puzzle-platform video game Portal, which normally costs $10 if you wish to buy, has been made available for free for both PCs and Macs. This is a limited time offer, so if you are a game lover, and haven’t played Portal yet, we highly recommend that you go download and enjoy it now. In case you’re not familiar with it, Portal is a new single player puzzle-platform video game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay. The game is designed to change the way players approach, manipulate, and surmise the possibilities in a given environment; similar to how Half-Life® 2’s Gravity Gun innovated new ways to leverage an object in any given situation. Players must solve physical puzzles and challenges by opening portals to maneuvering objects, and themselves, through space.