Roboquest

You need to reach the mid point of the second level Oasis, under 3:00 to unlock the timed door in the far back purple corner of the safe room. This is quite simple to do in half of that by just rushing past everything.

In that room, you'll be teleported to The Rift, which functions as a speedrun/trial of sorts. You'll need to save as much time as you can in here by hitting the orbs for a speed boost, rail grinding where you can, and in general trying to hit the time save/shortcuts. You don't have to be super precise to make it in time, but it doesn't feel too lenient either. (Edit: Much easier with the jetpack, I was reaching the bomb with 30+ seconds left.)

At the end is a bomb you need to defuse with under 1 second left on the timer.

Upon reaching the bomb, you will have to hold Y (default controls) for around 3 seconds. I started to defuse with just under 3 seconds left, and had .288 left on the timer. You also get the blue crystal here upon a successful defuse.