Portal Stories: Mel achievements

8.52%

Under the Stairs

9.55%

You Shouldn't be Here

9.69%

2056

MAKE IT STOP

9.97%

Single rainbow

Not even all the way!

10.03%

Crushed

10.17%

Persistent

Check that all doors have been locked for the night

10.52%

Beyond your Range of Hearing

Refuse to Listen

10.72%

In the Vents

Get into the vents

11.89%

Forever Alone

Try to bring the cube with you

12.37%

Curious

Find all the Vitrified door messages

14.43%

System Shutdown

16.08%

Into Darkness