Introduction[]
This is Level 1 of the G-Tunnel in Run 3.
Suggested Characters: 
Gameplay[]
This level shouldn't be very hard for skilled players, but as the Runner, you might encounter areas where you have to quickly jump high to the side a lot to change gravity. There are also a lot of huge gaps of empty space, normally one side at a time, so you should probably keep switching gravity or else you'll encounter a big gap and won't be able to jump over it. Putting that aside, this is quite a simple level and I doubt you'll have much trouble with it.
Be aware that Ice tiles are present in the level, and look out for the extra acceleration.
Walkthrough[]
Run 3- G-Tunnel Walkthrough
Filmed by Rubiksmath - Features more than one level.