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Version Difference Note: The double horizontal trapdoor at the very start of the level (present in the PC version) has been tweaked slightly in all the other versions. The left-hand trapdoor has been replaced by a solid block, making it substantially less frustrating to drop down past the laser below.
PC Version Solution: Run right, jump over the friendly robot and then push it left. Line up its far-left side with the very left edge of the right-hand platform. You need to be careful as you will need to step on the left switch, dropping the robot down and if you don’t line it up just right , then it’s really easy to land in the laser beam below (thus why it was tweaked for all other versions).
For everyone else: Run right, jump over the friendly robot and then push it left over the single trapdoor. Stand on the switch to drop it down and then drop down onto the Block below.
Drop down so you land on top of the robot and then jump off it to the right and push it left into the laser beam and the switch on the wall. From here you need to push the right-hand robot off the ledge, but as you do so, you must be very quick at jumping up towards the ledges on your right; otherwise you’ll be laser splatter.
Push the next robot right, but stop as soon as its first two wheels are hanging in mid-air. Now jump up on top of it, then leap to the right, fall down to the switch, hit it (raising the lift) and then climb up the wall ledges on the far-right back to the top of the room.
Speedrunner’s Note: The next step can be speeded up with some more precise positioning of the robot up here. Push it further to the right, but stop as soon as the right-side of the robot reaches the multiple vertical cracks in the wall (in-line with the far-right of the lift tracks directly below).
Otherwise, push it towards the 'C2' text on the wall and with this in place, drop back down to the switch, hit it and the robot will be pulled right. (Speedrunner’s who’ve positioned it more precisely will find that it’ll auto-drop directly in front of the laser for you, saving you the next step).
Climb back up via the ledges, and push the robot left so it falls down and blocks off the laser beam to the terminal. Jump across, then hack it; now drop down to the lower floor, push the robot left until it’s standing on the floor switch and then use the blocks and the tops of the robots to leap across to the next terminal on the far left.
Fall down into the freshly opened passageway below and you’ll reappear in floor B1. From here, immediately jump right, over the head of the trapped robot, and then stand on the orange floor switch once the enemy robot in the top-right corner is standing on the yellow and black barrier (this’ll cause it to drop down to the lift below).
Jump back to the central platform, then very carefully hang off of the right-hand step so you press the switch here (dropping the robot down one level), now jump up and over and repeat this on the left-hand step (dropping the robot down to the ground floor).
Leap across to the switch on the left and then press it to bring the enemy robot up towards the orange floor switch. Once it’s on it, drop the lift again, opening the barriers to the robot on your left. As you’re pushing the robot right (ultimately pushing it off the platform to the ground below), flick the switch again as you walk past it.
The evil robot will now block the upper laser, allowing you to drop down to the robot below; from here you can access the terminal (just be careful of the hard-to-spot gap on the left). Now you can access the exit and finish the level, however, if you still need the level’s [Helix] , now’s the perfect time to grab it.