The Entropy Centre - Puzzle 0901

Welcome to Act 9 of The Entropy Centre, folks! Puzzle 0901 is a real doozy, and it’s going to be a freaking roadblock for a lot of players. Thankfully, I was able to solve this one (after quite a bit of head-scratching), and now I’m going to be sharing the solution. (If you’re interested in Act 8 puzzles, you can check out my previous walkthrough here.)

First, though, I’m going to share a few videos about the leadup to this puzzle. Because before you get to the test chamber, you’re going to get attacked by Entropy bots. Here’s a video of how to get through the next section:

After this, you’re going to hit a lockdown sequence, which is a little bit harder than the one you encountered after Puzzle 0802. Here’s a video of how to deal with the switches that end the lockdown and open the door:

And then, finally, there’s a tricky-to-reach email, for all you email collectors. This one is right before you start the puzzle, and here’s a video of how to reach it:

Note that this section is a little weird, because there’s a lot of debris on the section that you have to rewind that will kill you if you stand in the wrong location. I found it easiest to not fully rewind the debris, because that left me with a little bridge over to the next area. You can see that in the video above.

Oh, and then there are two more emails in the hallway that leads to the test chamber, and you can see that in the beginning of the next video (down toward the bottom of this guide).

Okay, so now you’ll make your way into Puzzle 0901.

The first thing you’ll need to do is position the bridge block through the fence to your right so that it’s pointed at the exit. It’s kind of hard to see where exactly it’s going, but if you watch the video at the bottom of this guide, you should be able to figure it out.

Now, move the bridge cube above the river, then use it to cross, with the laser cube in tow. You’ll also want to hold the laser cube above the river for a second. Use the laser cube to activate the elevator to bring you up to the next section of the test chamber, then rewind both blocks until they fall into the river.

You should be able to pick up both blocks from the river in the next section, but one of them might be a little hard to reach. If you can’t pick up the second cube, just rewind it until it hits a place where you can reach it.

Now you just have to use the bridge cube to cross the river again (with the laser cube in tow), then rewind the bridge cube all the way back to the point where it was aimed through the fencing. This should give you access to the exit, but you’ll need to use the laser cube to activate a trigger to let you through the exit door first.

In case none of that makes any sense to you, here’s that video walkthrough that I’ve been promising:

And that’s how you solve Puzzle 0901 in The Entropy Centre. If you want to continue with this walkthrough, here’s a link to my guide to Puzzle 0902 and Puzzle 0903.

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