[Stage 1] requires 10 brook trout to be caught with modifier set at 000A you catch 1 fish and can proceed to the next level.

[Stage 2] requires that a char of 9.8" or larger be caught, set fish size modifier & catch 1 char to proceed to next level.

[Stage 3] requires that 20 bitterling be caught set bitterling modifier to 0014 & catch 1 bitterling to proceed to next level.

[Stage 4] requires that a carp of 11.8" or larger be caught, set fish size modifier & catch 1 carp.

[Stage 5] requires that 1 bass larger 15" & 1 blue gill larger than 9.1" be caught set fish size modifier & catch one of each.

[Stage 6] requires 5 cutthroat trout larger than 9.8" be caught use size modifier, however I haven't found a way around catching 5 fish. Afterall that to proceed to the next set of levels you have to catch & release 100 fish. Catch 1 more fish with the 100 fish code enabled to proceed. These codes work on round 2 also.