Thanks for playing!
Hints (rot13) for the carp section after the second checkpoint:
Small hint: svefg, yrnea gb nfpraq gur + fvtaf ol serrmvat naq sybccvat
Medium hint: gurer'f na vzcbegnag yrffba arne gur purpxcbvag, cerff E vs lbh’er cnfg vg naq erernq vg
Big hint: vs lbh'ir pyvzorq gur + fvtaf, lbh'yy arrq bar zber oybpx sebmra gb sybc hc naq rfpncr gur jngre ohooyrf. lbh'yy unir gb serrmr guvf oybpx sebz arne gur purpxcbvag