/usr/share/games/gravitywars/levels/level09.dat is in gravitywars 1.102-34.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | level "Yellow Submarine World"
author "Sami Niemi"
comment "Save your fuel..."
time 99
fuel 99
x y start stop frame speed
-----------------------------------------------------
|