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In 2008, the largest particle accelerator ever created, the LHC at CERN’s particle physics lab in Switzerland, was activated for the first time. Many scientists celebrated, and many particles accelerated.

35 Littlegrey Comments:

December 2nd, 2008 at 7:25 pm Jeihot says:

Last level requires nothing. It's theeeeend of thawoooorld as we knoooowwit!

34 Avatar
August 31st, 2008 at 8:42 am The123robot says:

I like rewinding it all the time. It's fun. :D I got stuck on the first level of Advanced Challenges. Very Difficult.

June 9th, 2008 at 9:17 pm Paradox says:

How do you beat lv 5i? i can get the three orbs but i can't get to the end portal afterwards.

June 6th, 2008 at 4:07 pm Jedi Metroid says:

Does anyone know how to play the very first intro again?



June 6th, 2008 at 6:34 am James says:

If you use ghostrooms it will become more clear why it works.

June 6th, 2008 at 6:32 am James says:

-1 portal bottom right and other middle right. The trick is to align the top of the portal to the top of the ceiling.
-press space and let the ball pass through the portal
-hold space and move the bottom right portal to the top middle
-once the last node is collected press x
-place the portal bottom right and top right and you will finish the level

29 Avatar
June 6th, 2008 at 12:32 am Xzevius says:

This game is pretty tough at first but once you master the technique it's pretty easy. The last level (level X) looks confusing but is actually extremely easy.

28 Avatar
June 5th, 2008 at 9:55 pm JonSnow says:

help on 5b please
i'm pretty sure i'm doing it right, but it doesn't go through the portal like it should

27 Avatar
June 5th, 2008 at 7:27 pm Locke says:

It was cool. But then the stupid time limit kept messing me up, and they added a bunch of other stuff halfway through. Good game though.

26 Avatar
June 5th, 2008 at 2:24 pm legor17 says:

This game is like Portal: The Flash Version. I found the game relatively easy to finish.

June 5th, 2008 at 8:24 am James says:

-Portals at the bottom right and bottom left
-Press space
-Let the ball fall trough the portal
-Hold space
-Move the portal to the bottom left and the other above it in one line
-Once the ball fell through the top one, hold space again and move the top one to the bottom left again
-Release the spacebar
-The ball will pass through the wormhole and collect the last node.
-Press x
-Move the portals bottom left and top right (on the right side)


June 4th, 2008 at 11:27 pm your mom says:

the 49 mins of playing were worth lvl 5-X (just press spacebar)

June 4th, 2008 at 10:17 pm McLovin says:




June 4th, 2008 at 7:10 pm says:

man totally dominated that game.

June 4th, 2008 at 5:52 pm mihai says:

ah sorry, the edge of the other portal wasn't aligned good enough. nice game!

June 4th, 2008 at 5:47 pm mihai says:

could there be a bug in 5b? The Ball won't enter the first portal set at the end of the ramp. It bounces first, comes to a halt, and nothing more. I have an older computer, maybe something with collision detection not fast enough? Sometimes it enters the portal after moving it back and forth, but not very reliable, and the speed of the ball isn't sufficient for the rest of the level...

19 Avatar
June 4th, 2008 at 3:44 pm strawberry says:

When I first saw the premise of the game, I thought "Well, this has been done before..." but the game's actually put together really well. It's challenging, but not too challenging. The last level is my favorite. ;)

18 Avatar
June 4th, 2008 at 2:16 pm Inferno959 says:

I've beaten this game about three times now.
It's great even when you play it over and over.
I love the way the game ends.

17 Avatar
June 4th, 2008 at 7:38 am Rebel975 says:

-"*pause*" means to hold the spacebar-


Before you start, set your first portal to the middle left, and your second to the upper right hand corner. Let the ball until it pops out the left middle, now *pause* - move the upper right portal to the bottom right. Let it go. You've just beaten 5d.


Move your first portal to the bottom left, and your second to the top middle. Let the ball fall through the bottom left, now *pause* - move your first portal to the middle left, and your second to the bottom middle. Let the ball go through the bottom middle, now *pause* - move the bottom middle portal to the middle right. Let it go back through the middle left, now *pause* - move the middle left to the top middle. You've just beaten 5e.

16 Avatar
June 4th, 2008 at 12:11 am crayon400 says:

i am stuck at 5f someone help plz....:)

15 Avatar
June 3rd, 2008 at 8:53 pm Mario_Man says:

i got stuck on 5d :O

14 Avatar
June 3rd, 2008 at 8:31 pm Rebel975 says:

Beat it. Good stuff.

13 Avatar
June 3rd, 2008 at 8:26 pm Locket says:

There are a few levels in this game that really make you think. Although, the game doesn't get hard until about level 5e.

June 3rd, 2008 at 8:14 pm C.X. says:

I actually just like how good the art is for this game.

11 Avatar
June 3rd, 2008 at 7:11 pm goldendragun says:

So hard on the 4th stg-_-

10 Avatar
June 3rd, 2008 at 6:20 pm Ripley says:

Those ghost room things confused me. Good thing you didn't have to keep them. Good game still. A lot like portal.

9 Avatar
June 3rd, 2008 at 6:13 pm ^newguy^ says:

was pretty fun for a few minutes but i don't really feel like thinking very hard right now.

8 Avatar
June 3rd, 2008 at 5:23 pm Beachman says:

Not oringinal!!!??? Sure it may seem like your playing portal. But its not portal!!!!!!

June 3rd, 2008 at 5:16 pm James says:

It was very easy actually, I think the idea isn't that bad but they could have made much more out of it.

6 Avatar
June 3rd, 2008 at 3:12 pm The Misfits says:

Sorry but I didn't really like it :( It wasnt very original to me.

5 Avatar
June 3rd, 2008 at 2:00 pm Andylink says:

Ahhhh i got to 5a and it got stuck rewinding and stayed at like 5:30 to 5:41 going back and forth

4 Avatar
June 3rd, 2008 at 12:55 pm Patoz says:

Meh wasn't tat hard seen way harder beat it in less then 1h

June 3rd, 2008 at 12:22 pm Square says:

Beat it after many restarts. Great game, hard, but great. Wormholes are fun

2 Avatar
June 3rd, 2008 at 11:37 am sim says:

I have made it to the advanced wormhold stage, and got stuck.

June 3rd, 2008 at 11:32 am Josh Kellogg says:

yeah this game is really cool, but i couldnt beat it cause it got extreamly hard.

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