100% Portal Proficiency BEST SOLUTION

Overview

This guide provides ideas to use minimum cost to complete bridge constructor portal’s DLC, and cheers!……Jan 16, just cleared level 27, I think you should stop playing this DLC and just copy my work, because at this point there’s no fun to play, and level layout is highly restricted, no shortcuts or hacks available… I think just by looking at all these arrows in my guide is already painful………Jan 16, finished this DLC, still think this is too much limitation, but I also shouldn’t game for straight 5 hours per level… That why I had no joy…

Lv2 $10800

The first few levels are really no chances to save, so not much comments here 🙂

Lv3 $29050

Still noting much to say

Lv4 $10800

A spelling error…

Lv5 $28800

This no longer is a great solution, the bridge can be built with only 3 strings and 6 plates, according to a guy’s post at comment section

Lv6 $0

Lv7 $22550

This is now a bad solution, I forgot to look back at this level after finished the DLC, a falling plate that bounces energy ball 90 degree up to a portal is the good solution

Lv8 $1950

When heart block hit the plate, the string breaks and the attached plate will spin downward by gravity
This solution can be done better with only 1 very short plate, instead of 1 plate 1 string

Lv9 $0

Lv10 failed

Lv11 $19450

The vehicle really bumps into the bridge together, so I’m forced to make the bridge stronger:
This is now a bad solution, the bridge was a mistake =_=

Lv12 $8600 outsmarts dev, or is just an illusion

This solution can be done much better, the bridge in right middle can be replaced with a fall-spinning plate

Lv13 $12150 cover the portal up!

Lv14 $20300

In this level I’ve learned a lot, but
It turns out I didn’t found the best route for vehicles, which cost grands (although thats not much in this game lol)

Lv15 $30300 ugh fail

It turns out I didn’t do right on the 1st bridge, which resulted all solution after were not cheap… According to the video posted in comment section

Lv16 $0 DISAPPOINTMENT

it cost me too much to build this one, like eating —– for a week, you get my pain…
The ‘reverse drive’ part is to extend vehicle’s driving distance, so the cube could have time to press the red button on the right…

Lv17 $20250

This turns out costed too much, portal can handle the left up section itself, instead of my solution

Lv18 $4800

This level is actually a $0 level, the key is to find a way to slow down vehicles just right.

Lv19 $3250 convoy waterfall

Lv20 $33650

Lv21 $10200

Lv22 $48500 sad bridge

This level is cursed, I believe.
I attempted this for straight 3 hours ended up with no clue and my mind is kinda dizzy, so just ignore my rant…

Lv23 $11200

Update: Change 2 bridge plates to strings can save more money

Lv24 $24200

I’ve failed my driving test today

Lv25 $29850

Lv26 $25200 convoyslinger

Lv27 $28550 BRAIN DAMAGE

Unlocks “all portal used” achievement

Lv28 $5500 DREAD

This level is evily difficult that I can no longer explain what I’ve done clearly, including vehicle elasticity, convoy conflux, butterfly effect, 1 HP pass…
VALVE OR WHATEVER COMPANY MADE THIS GAME, PLEASE DO NOT CHANGE OR UPDATE MECHANICS, IT WILL SCREW THIS SOLUTION ALL OVER
A glance:
Video:
drive.google.com/file/d/1eEV7ADMzdeYjj7GGelYiroY-tEPQPbAf/view?usp=sharing

Lv29 $29250

Lv30 $9200 Portal Proficiency

Video:
drive.google.com/file/d/1d_RFAS4uTTcjZPOqIZK0Dr_oaiv3BDH-/view?usp=sharing