There are a maximum of 15 Tempest achievements worth 746
40 tracked gamers have this game, 1 has completed it (2.50%)
Fire 50 single salvos from both the starboard-side and the port-side cannons.
Unlocked by 1 tracked gamer (2% - TSA Ratio = 6.24)
Do you have a question about this achievement? Please post it in the Tempest Forum