Mini Metro

Mini Metro

73 Achievements

100,000 XP

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Thames Tunnel

Thames Tunnel

Deliver 1000 passengers in London using no more than one tunnel.

2,500 XP

5.27%

How to unlock the Thames Tunnel achievement in Mini Metro - Definitive Guide

The hardest/most annoying part of this achievement is the fact that you will frequently find that this is seemingly impossible to do due to tunnel setup. In reality, though, you can totally do this. The real trick to this achievement is to use one tunnel to cross the river, then switch it back and forth as necessary between cities on the far side to keep clearing them out. Once enough cities spawn on the far side of the river, it is generally possible to connect them all to each other, allowing you to finally just settle down on one connection.

While it requires a lot of active work on your part, it isn't a terribly difficult achievement due to the low passenger requirements.
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11 Jun 2016 00:00