1:45.8.0-3~deb8u1) is not available, but a newer one is (1:52.8.0-1~deb8u1). We redirected you there.
/usr/games/fifteen is in sgt-puzzles 20140928.r10274-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/games/sgt-fifteen