Steam
Portal Stories: Mel achievement guide & roadmap
Properties
No missable achievements (plus 28 unknown)
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- Checklists for "Get a kill with each type of weapon" type achievements
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91.4%
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Long-Term Relaxation
85.9%
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Welcome to Aperture
Enter the main lobby of Aperture Science Innovators
45.2%
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Voices from Above
Who is that?
43.5%
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Firefighting 101
Discover a new way to turn down the heat
42%
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Back on Track
37.1%
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Testing the Waters
Super Drowning Skills
29.8%
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Organic Complications
28.9%
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Electrocution
Get electrocuted
28.6%
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Deja-Vu
Solve the same test three times!
22.6%
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Welcome to my Domain
21.8%
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Back off track
17.8%
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Shot
Get shot on the turret range
16.8%
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Burned in Goo
Get burned whilst in the goo
14.4%
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Story Shutdown
Shutdown AEGIS in Story Mode
13%
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Determined
10.9%
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Into Darkness
10.7%
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Ignorant
10.6%
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System Shutdown
6.8%
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Curious
Find all the Vitrified door messages
6.7%
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Forever Alone
Try to bring the cube with you
5.5%
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Crushed
5.4%
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Single rainbow
Not even all the way!
5.2%
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2056
MAKE IT STOP
4.7%
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In the Vents
Get into the vents
4.3%
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Persistent
Check that all doors have been locked for the night
4.2%
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You Shouldn't be Here
4%
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Under the Stairs
3.5%
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Beyond your Range of Hearing
Refuse to Listen