Hydro Thunder (E) [!]<br>Hydro Thunder (E) [f1] (NTSC)<br>Hydro Thunder (F) [!]<br>Hydro Thunder (U) [!]<br>Hydro Thunder (U) [b1]<br>Hydro Thunder (U) [b1][f1] (PAL)<br>Hydro Thunder (U) [b1][t1]<br>Hydro Thunder (U) [b2]<br>Hydro Thunder (U) [b3]<br>