/usr/share/games/gravitywars/levels/level06.dat is in gravitywars 1.102-33.
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 "The Bambu Labyrinth"
author "Pär Johannesson"
comment ""
time 33
fuel 99
x y start stop frame speed
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