W A S D
walk
Shift
run
C
kneel (hold)
Mouse
look
Esc
release
T
teleport to frog
R
reset to start
G
throw switch
F
kick the wheelset (stand near it)
Y
rerail/reset it
H
jam switch half-thrown
L
toggle labels — frog is ~68 ft down the track.
SWITCH: MAIN (G)
DERAILED
press Y to rerail
Click to enter the track