Cat & Shark

Find and destroy the enemy submarine.
In this game, inspired in the classic "Battleship", you use your depth charges to locate the target. The closer to you hit, the bigger the explosion.
Or use the Range and Direction finder for an easy hunt.
Version 1.0 (6/2012)
Installer: 5.6 MB (5,854,278 bytes)
Zip: 3.8 MB (4,030,228 bytes)
Release candidate 1
Installer: 2.48 MB (2,604,745 bytes)
Zip: 1.27 MB (1,338,262 bytes)

You might need the SDL libraries.
Check your distro's repository, package manager, or download the RPM from libsdl.org