Sensing an opportunity, a rogue commander of the Federated States of Russia invades and occupies the remainder of Japan, planning to continue to mine the faultline for energy.

[9] A reviewer for Computer Games Strategy Plus agreed, praising how the "controls available expand considerably at the same time that you have to start thinking in 3D" when in the underwater mode.

In a particularly low review, Peter Sharpe of PlayStation Pro expressed that the game "plays badly", stating that "variation is something that doesn't feature strongly in TigerShark", as "players will soon bore of blasting the copious, bland and uninteresting enemies".

[11] Jeff Gerstmann of GameSpot stated "Tigershark's graphics are decent, but the murky sea depths lack detail...The game moves smoothly enough, though the objects could have use more polygons - as it is everything looks square".

Peter Smith of Computer Games Strategy Plus stated "TigerShark looks good normally, but throw a 3Dfx accelerator card into your rig and it looks spectacular".