| Normal gameplay | Bridge Building |
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This level is hard!
This level is rather difficult. It can challenge veteran players and most beginners cannot finish this level. Most players consider it to be a hard level. Even elite players may have trouble beating this in one attempt. Good luck, and don't try this in your home universe. |
Introduction[]
This is Level 4 of the T-Tunnel in Run 3.
Suggested Characters: 
Gameplay[]
In the level, it is a terrifying sight to see such a line of boxes far away in a seemingly impossible jump. But still, this level is beatable.
The Student's unique ability to reverse gravity comes in handy for the many nearly 180 degree apart platform jumps, such as the first jump of the level.
Without the Student, the Runner is the best character to use for the first jump as her high jump can reach the sides of the boxes. This jump can be difficult, but once you find the timing of the jump from the first box, you should be able to make the jump every time. Jump by alternating the side of the box you are standing on, and you can find yourself above the long series of boxes on your right/left. Then, jump onto it, and you will finish the hardest part of the level. However, beware of the last jump.
The Duplicator's ability to jump off of his duplicates can keep him in the air for a while - making it easier to beat this level.
After the series of boxes, you'll need to change sides to reach the next platform. Then it's just a matter of platform jumping - being careful not to overshoot your jump.
Walkthrough[]
Run 3 T-4 easier route
T-4 walkthrough
Trivia[]
After beating the Bridge Building level of level T-4, the boxes move as seen in the cutscene Leave It Here.