The following are known Action Replay Codes for Capcom Vs. SNK 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

(M)
0E3C7DF2
1645EBB3
0C0B7FF7
F88C908F

Instant KO P1
3A612FF1
00000000

P1 Infinte Health
2C3F5513
F8FC359F

P1 Infinite Health
3A612FF1
00003840

P2 Infinite Health
2C3F5BE3
F8FC359F

Infinite Round Time
2FD768F2
00000063

P2 Infinite Health
2DA768F0
00003840

P1 Empty Extra Gauge
28C768F3
00000000

Instant KO P2
2DA768F0
00000000

Lots of Vs points
E20710DE
0000FFFF

Pocket fighters
3C3F5417
BE7CFEFE
3C3F541B
BE7CFEFE
3C3F541F
BE7CFEFE
3C3F5AE7
BE7CFEFE
3C3F5AEB
BE7CFEFE
3C3F5AEF
BE7CFEFE

P2 One Hit KO
2C3F5513
F8FCFEFE

P1 One Hit KO
2C3F5BE3
F8FCFEFE

P2 Empty Extra Gauge
F0B99D32
00000000

Items are never sold out
C7DBE3FC
00000000

P2 Full Extra Gauge
F0B99D32
0000FFFF

Infinite Time
2C4010CB
F8FCFE53

P1 Full Extra Gauge
28C768F3
0000FFFF