Bridge Constructor Portal

Bridge Constructor Portal

26 achievements
Ultra Rare×13
Very Rare×6
Rare×5
Common×2

About Bridge Constructor Portal's achievements

Bridge Constructor Portal has 26 Steam achievements, 13 of them ultra-rare — unlocked by under 5% of players. The rarest is "Convoyability 30", earned by just 2.0% of players. Across 14 SteamVault hunters who reached 100%, full completion takes a median of about 22 hours. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
2.0%
of players earned "Convoyability 30"
SteamVault 100%s
14
members fully completed it
Median to 100%
22h
typical time to full completion

Community Ratings

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Difficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Bridge Constructor Portal achievements

26 achievements
Convoyability 30
Convoyability 30
30 convoys delivered in the Portal Proficiency initiative
Ultra Rare2.0%
Profound Portal Proficiency
Profound Portal Proficiency
Finish every test chamber in Chapter 3 of "Portal Proficiency".
Ultra Rare2.1%
Convoyability 20
Convoyability 20
20 convoys delivered in the Portal Proficiency initiative
Ultra Rare2.3%
Tunneling at Full Capacity
Tunneling at Full Capacity
Maximum amount of portals successfully used in a test run.
Ultra Rare2.3%
Advanced Tunneling
Advanced Tunneling
Finish every test chamber in Chapter 2 of "Portal Proficiency".
Ultra Rare2.4%
Convoyability 10
Convoyability 10
10 convoys delivered in the Portal Proficiency initiative
Ultra Rare2.9%
0% Non-Delivery
0% Non-Delivery
60 Convoys delivered
Ultra Rare3.2%
Principals of Portalability
Principals of Portalability
Finish every test chamber in Chapter 1 of "Portal Proficiency".
Ultra Rare3.2%
Entry-Exit Relay Repeater System
Entry-Exit Relay Repeater System
30 times back and forth through the same portal
Ultra Rare3.5%
For More Science!
For More Science!
5,000 Portal Transitions
Ultra Rare3.9%
Condolence Letter Delivery Boom
???
Hidden achievement — tap Reveal secrets to spoil
Ultra Rare4.0%
Spectacularly Lonely
Spectacularly Lonely
Finish every test chamber in Chapter 6
Ultra Rare4.4%
Centrifugal Convoy Adjustment System
Centrifugal Convoy Adjustment System
Passed through the same portal 15 times
Ultra Rare4.6%
Aerial Mobility Support System
Aerial Mobility Support System
Bounced 25 times on the repulsion gel with the same vehicle
Very Rare6.4%
Portal Deficiency Certificate
???
Hidden achievement — tap Reveal secrets to spoil
Very Rare6.4%
Full Chief Custodian candidate
Full Chief Custodian candidate
Finish every test chamber in Chapter 5
Very Rare7.8%
Deliverance from Non-delivery
???
Hidden achievement — tap Reveal secrets to spoil
Very Rare8.3%
66% Delivery
66% Delivery
40 Convoys delivered
Very Rare9.4%
Official Pre-Admittance
Official Pre-Admittance
Finish every test chamber in Chapter 4
Very Rare11.8%
For Science!
For Science!
1,000 Portal Transitions
Rare15.7%
Post-Insignificance
Post-Insignificance
Finish every test chamber in Chapter 3
Rare18.0%
You monster.
You monster.
100 Test Vehicles destroyed
Rare21.4%
66% Loss
66% Loss
20 Convoys delivered
Rare25.2%
Food and Artificial Sunlight
Food and Artificial Sunlight
Finish every test chamber in Chapter 2
Rare29.1%
No Hard Feelings
No Hard Feelings
First turret decommissioned
Common54.4%
Extended Testing Opportunity
Extended Testing Opportunity
Finish every test chamber in Chapter 1
Common57.7%