Download size

How many GB is Number 217721?

2 GB

That is less than the typical Adventure game, which needs about 5 GB.

Leave at least 8 GB free: games need headroom to unpack updates.

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

You'd been woken up by an entity which created you. It put you in a testing area and wants you to complete the puzzles and open the end gate. When you open the gate, the test is finished and you complete the task which the entity gave you.