Download size

How many GB is The Testing Chamber?

0.88 GB

That is less than the typical Simulator game, which needs about 4 GB.

Leave at least 7 GB free: games need headroom to unpack updates.

The figure is the storage Steam lists as required for this game, not a measured download.

For every action, there is a reaction... For every choice, a result... Dive deep into your subconscious as you wander the halls of The Testing Chamber & join hundreds of thousands of other players in one of the biggest & most successful social experiments ever performed.