Action Replay Codes [EU]

The following are known Action Replay Codes for Hydro Thunder on SEGA Dreamcast (Dreamcast). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

Infinite Time (Arcade)
8009813E 0040

Always 1st Place
7B75DC54
00000001

Unlock all tracks & boats
50000602 0000
800A30A4 0000
300A30B0 0000

Infinite Health Player 1
63BB3D2F
00000090

Always 1st Place
8009EBC0 0001

Max cash
800974C8 FFFF

Enable all tracks and boats
78C5DCA3
00000001
C0ABE859
00000001
F1E99927
00000001
57F778F6
00000001
8AD382A1
00000001
DFD88C7E
00000001

1 hit k.o. Player 1
63BB3D2F
00000001

Always 1st Place
7B75DC54
00000001

Infinite Health Player 2
26F73528
00000090

Infinite Time
1FB440CB
00000063

Infinite boost (on pickup)
80050EDE 3C00

1 hit k.o. Player 2
26F73528
00000001

Enable all tracks and boats
78C5DCA3
00000001
C0ABE859
00000001
F1E99927
00000001
57F778F6
00000001
8AD382A1
00000001
DFD88C7E
00000001

Stop track timer
80098142 0000

Action Replay Codes [US]

The following are known Action Replay Codes for Hydro Thunder on SEGA Dreamcast.

Version 1.0 Codes
Always Place 1st
7B75DC5400000001

Enable All Tracks And Boats
78C5DCA300000001
C0ABE85900000001
F1E9992700000001
57F778F600000001
8AD382A100000001
DFD88C7E00000001

Low Lap Time
CD1B28923FB3332C

Infinite Time
2C37AC2F41C3BAE1

Infinite Boost
159C19C700004090

Infinite Boost P2
591F780100004090

Version 1.1 Codes
Always Place 1st
5C67782200000001

Enable All Tracks And Boats
F7D9994000000001
38312B8100000001
8C2382C600000001
B746354B00000001
1114195700000001
49EA100F00000001

Low Lap Time
9A98C57F3FC88880

Infinite Time
C51B287041C3BAE1

Infinite Boost
EB6F17E100004090

Infinite Boost P2
38992B3300004090