Portal 2Laser EmitterTractor BeamBounce GelSpeed Gel

Upstairs Downstairs

A co-operative map featuring four puzzles, set in an abandoned Old Aperture test sphere. The puzzles get progressively more difficult. None of them require ninja moves or reflexes - you simply need to have a good think together! The map is meant to be hard

8.1K

Current subscribers

112

Favorites

5.1K

Views

#527 among tracked Portal 2 items?Rank by subscription count among the Workshop items WorkshopVitals tracks for this game. Movement compares the two most recent ranking computations.Tracked since August 25, 2026?The date of the first genuine observation stored by WorkshopVitals. Charts begin here — historical values are never backfilled or estimated.Stats updated 1 month ago

Subscriber History

1 snapshots stored · data © WorkshopVitals independent observations of public Steam metrics

Item Statistics

Current subscriptions?Active subscriptions at the most recent WorkshopVitals observation. A missing value means Steam has not reported this field yet — it is never guessed.: 8,132
Lifetime subscriptions?Total subscriptions ever recorded by Steam for this item. Includes users who later unsubscribed.: 13,504
Favorites?Times the item has been favorited on Steam.: 11207D
Followers?Follower count exposed by Steam for this item, where available.: 0
Views?Lifetime page views reported by Steam.: 5,125
Vote score?Share of thumbs-up among thumbs votes cast on Steam. Votes are not reviews.: –
Created: Aug 16, 2012
Last updated on Steam: 14 years ago
Current / Lifetime ratio?Current subscriptions divided by lifetime subscriptions at the latest observation. This is a descriptive ratio, not a retention measure.: 0.602

+1327D

Created by

David

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