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Bridge Constructor Portal

Bridge Constructor Portal

26 / 26 achievements100%100% COMPLETE ✓
Ultra Rare13 / 13
Very Rare6 / 6
Rare5 / 5
Common2 / 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 1.9% of players. 6 SteamVault members have 100%-completed it so far. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
1.9%
of players earned "Convoyability 30"
SteamVault 100%s
6
members fully completed it

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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

Your unlocked achievements
26 achievements
For More Science!
✓For More Science!
5,000 Portal Transitions
Ultra Rare3.9%✓ 7 Jul 2026
Entry-Exit Relay Repeater System
✓Entry-Exit Relay Repeater System
30 times back and forth through the same portal
Ultra Rare3.5%✓ 7 Jul 2026
Centrifugal Convoy Adjustment System
✓Centrifugal Convoy Adjustment System
Passed through the same portal 15 times
Ultra Rare4.6%✓ 7 Jul 2026
Aerial Mobility Support System
✓Aerial Mobility Support System
Bounced 25 times on the repulsion gel with the same vehicle
Very Rare6.4%✓ 7 Jul 2026
Convoyability 30
✓Convoyability 30
30 convoys delivered in the Portal Proficiency initiative
Ultra Rare1.9%✓ 7 Jul 2026
Profound Portal Proficiency
✓Profound Portal Proficiency
Finish every test chamber in Chapter 3 of "Portal Proficiency".
Ultra Rare2.1%✓ 7 Jul 2026
Tunneling at Full Capacity
✓Tunneling at Full Capacity
Maximum amount of portals successfully used in a test run.
Ultra Rare2.3%✓ 7 Jul 2026
Convoyability 20
✓Convoyability 20
20 convoys delivered in the Portal Proficiency initiative
Ultra Rare2.3%✓ 6 Jul 2026
Advanced Tunneling
✓Advanced Tunneling
Finish every test chamber in Chapter 2 of "Portal Proficiency".
Ultra Rare2.4%✓ 6 Jul 2026
Condolence Letter Delivery Boom
✓Condolence Letter Delivery Boom
Ultra Rare4.0%✓ 6 Jul 2026
Convoyability 10
✓Convoyability 10
10 convoys delivered in the Portal Proficiency initiative
Ultra Rare2.9%✓ 6 Jul 2026
Principals of Portalability
✓Principals of Portalability
Finish every test chamber in Chapter 1 of "Portal Proficiency".
Ultra Rare3.1%✓ 6 Jul 2026
0% Non-Delivery
✓0% Non-Delivery
60 Convoys delivered
Ultra Rare3.2%✓ 5 Jul 2026
Spectacularly Lonely
✓Spectacularly Lonely
Finish every test chamber in Chapter 6
Ultra Rare4.4%✓ 5 Jul 2026
Full Chief Custodian candidate
✓Full Chief Custodian candidate
Finish every test chamber in Chapter 5
Very Rare7.8%✓ 2 Jul 2026
66% Delivery
✓66% Delivery
40 Convoys delivered
Very Rare9.4%✓ 10 Jun 2026
Official Pre-Admittance
✓Official Pre-Admittance
Finish every test chamber in Chapter 4
Very Rare11.9%✓ 10 Jun 2026
For Science!
✓For Science!
1,000 Portal Transitions
Rare15.8%✓ 10 Jun 2026
You monster.
✓You monster.
100 Test Vehicles destroyed
Rare21.4%✓ 9 Jun 2026
Post-Insignificance
✓Post-Insignificance
Finish every test chamber in Chapter 3
Rare18.0%✓ 9 Jun 2026
66% Loss
✓66% Loss
20 Convoys delivered
Rare25.2%✓ 9 Jun 2026
Food and Artificial Sunlight
✓Food and Artificial Sunlight
Finish every test chamber in Chapter 2
Rare29.2%✓ 9 Jun 2026
No Hard Feelings
✓No Hard Feelings
First turret decommissioned
Common54.5%✓ 1 Feb 2022
Extended Testing Opportunity
✓Extended Testing Opportunity
Finish every test chamber in Chapter 1
Common57.8%✓ 1 Feb 2022
Portal Deficiency Certificate
✓Portal Deficiency Certificate
Very Rare6.4%✓ 27 Dec 2021
Deliverance from Non-delivery
✓Deliverance from Non-delivery
Very Rare8.3%✓ 27 Dec 2021