The walls are not there until your echo touches them.
Send a ping, hold the shape of the room in your head, walk into the dark.
One lucky echo will tell you where the exit is — once.
Fewer pings, better grade.
←↑↓→ moveSPACE pingP pause
click anywhere to start
signal held
PAUSED
level clear
A
pings
0
par
0
time
0:00
no return
SILENCE
You spent the last echo and called for one more. The dark keeps what it takes.