Note: Download now links to the Steam Workshop version.
Reversion has two chambers, the first is easy/medium difficulty and the second is medium/hard. Both maps revolve around aerial tractors. If you find any cheats/bugs or simply have a comment to make feel free to give me an email. The latest version fixes some cheats and substantially reworks the first chamber.

Click here to download Reversion

Click here to download Reversion

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I would say that they are both easy. I didn't use the button that switches the wall faith plate in the second room nor do I know how you would use it. Also, there is no auto save after you complete the first room so if you die in the second it starts from the beginning.

Great map! I liked it a lot, although they are both easy/medium. And I did use the faith plate in the second chamber after I tried for fun if I can get the ball to do a continuous jump

Nice map, I used everything and it worked fine. Fun but not too complex...Thanks for creating

Hey dude,

I love Portal and want to collect some gameplays (first blind run), speedruns and bug reports.
My records should help you to understand how the player thinks.
Well, I hope I can support you with my uploads to fix any bugs and make new awesome maps.

Here are yours!

gameplay
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speedrun
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Nice little map...
As I've seen the little platform at the end, I occured that it's not the intended way to jump over the acid! ^^
The "speedrun" isn't the best, but it shows the big bug to solve the map without complex tricks and glitches. I don't want to get more so.

THX for mapping...

Keep it up!

I have fixed the issues raised by BlumCoLe and included an autosave.

I am however curious as to the method used by benvent, how did you get around using the wall faith plate?

Ok, two big problems I have. Firstly, the goo on the first chamber is punishing, the player shouldn't ever have to jump in the goo to restart, there should be a quick way to recover, preferably with portals. Secondly, there's a really short timing window in the second chamber, less than a second to place the two portals while the ball is in the air. It's just annoying to screw it up and be forced to do it again, how about a light bridge with a block so that there is more time to set up those portals?

To solve the second room without the wall faithplate I rode the funnel from the first half of the room. left the cube in the funnel and jumped onto the faithplate. Put the cube on the button to switch funnels and walked to the exit.

I'm playing custom maps and record my first time of playing them. So the run is not perfect and may not use only intended ways, but maybe it can let you see how other people may understand the map or you could just enjoy someone playing this map for entertainment.
Anyways, here is the recording:

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(Link: http://www.youtube.com/watch?v=_ghkQOXRiEc)

Also note the video description for more feedback and my signature for additional project information.

Thanks for fixing bugs ...but there are any places which still have these bugs.

Whatever...

Here's another (new) speedrun! Not perfect, but I hope you enjoy.

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have fun

I have made a few changes taking the comments above into account, I hope it works better now

Mattyd wrote:
I have made a few changes taking the comments above into account, I hope it works better now

...new speedrun!

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I think, the update is a step backwards...
First button and funnel doesn't make sense now and in Part 2 there is a graphic bug (beside the rotative platform with catapult) ...you can see it a very short moment in the speedrun

Thanks for your patience BlumCoLe - I appreciate it. I have fixed up the graphical glitch and fixed your shortcuts

I'm more than sure I didn't do the second chamber your intended way as I didn't even use the wall faith plate, so I'm posting this as a cheat that you might want to fix.

(spoiler)
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I did it again, but this time the solution seemed very intended, however I still didn't use the wall faith plate or the portal panel directly across from it. Is this the intended solution? Maybe I have an old version that you've fixed?

(spoiler)
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mvmishler wrote:
I did it again, but this time the solution seemed very intended, however I still didn't use the wall faith plate or the portal panel directly across from it. Is this the intended solution? Maybe I have an old version that you've fixed?

Your version is "very" old ...but it's not important for the second chamber.
Watch my gameplay (6:50) and you will see what's the eventual purpose of catapults and platforms.

@Mattyd: I cannot wait to get home and test your update!

//

Sorry Mattyd! xD
Your updates cannot stop me!

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I've edit the "run", because it shouldn't be a speedrun ...it's more a glitchviewing to better serve you!

the jump is really hard, but it works (funnel = nonsense)
-> solution: make the wall a little bit longer or set a playerclip at this place
fly through/over the laser
-> solution: playerclip over and under the funnel or e.g. triple laser to kill the player who wants to cheat ^^, but only one laser is the trigger for the platforms
*it's possible to stand on the rotative platform (platform with catapult)

Thanks for mapping!

I'm looking forward to see new maps from you.

Thanks mvmishler for the video, I have updated it since the version your playing so if you want to give that one a try that would be great

Mattyd wrote:
Thanks mvmishler for the video, I have updated it since the version your playing so if you want to give that one a try that would be great

It would be great, when you comment my video and suggestions. :/

BlumCoLe wrote:
Mattyd wrote:

Thanks mvmishler for the video, I have updated it since the version your playing so if you want to give that one a try that would be great

It would be great, when you comment my video and suggestions. :/

Sorry I didn't see your post earlier! I will try again at thwarting your attempts to get past the system

how do you pass through laser beams?? I tried exactly like you 30 times and I always die at 2nd laser..... Do I have bugged version or what? That ball doesn't interrupt lasers to hit me anyway...