1. Bridge Constructor Portal Achievements
  2. Advanced Tunneling achievement
Bridge Constructor Portal

Bridge Constructor Portal

520
26
3.76
Bridge Constructor Portal
DDtective

DDtective

520
26
22 Oct 18
16 Nov 19
26h 33m
100%
DDtective
Add-on

Portal Proficiency

202
100
10
0.00
440
192 (44%)
Portal Proficiency

Advanced Tunneling achievement in Bridge Constructor Portal

Advanced Tunneling

Finish every test chamber in Chapter 2 of "Portal Proficiency".

Advanced Tunneling0
15 November 2019Offline Mode - These achievements require play in game modes that do not necessitate a connection to any online services.Single Player - These achievements can be obtained by a single player.Main Storyline - These achievements are gained automatically by progressing through the main game mode.
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