The following mistakes in the game's continuity can be seen:
-When Freddi presents the toys to Mrs. Croaker and the guppies, the writing on the blackboard is gone in one shot (where Mrs. Croaker says "You found the guppies' toys!").
-When Luther and Freddi first enter the school basement where the ghost went, Luther is far behind Freddi. We do not see him get any closer, but when we see the ghost with Luther's toy he is directly behind Freddi.
-When Freddi and Luther first find the book about how to untie a knot, it is much bigger than Freddi. In her inventory it is much thicker, and when they use it on the rope, it is back to being thin. However, the picture in the center with a knot on it grows, or the area around it shrinks.
-The game calls the children "guppies." However, real young guppies are very small, almost too small to be seen.
-When you click on the light in the living room, a turtle will come and pull the string and the light will go on. If this is actually a house that sunk into the water, the light should not be going on because the power lines came loose.
-In the hall there is a clickpoint of a shell that is all curled up and has an electric bell ringer beside it. If you click on it, it turns out to be a school bell. However, a bell ringer hitting a shell would sound different than a school bell, and would be more of a hollow knock than a clang.
-The life preserver goes down although it is full of air. A life preserver full of air would rise rather than go down, even if it was stuck on coral or a statue. The only exception would be water pressure. However, there are no water currents in or near the area, except for the one down by the old ruin, which is nowhere near the life preserver.
The following revealing mistakes in the game can be seen:
-All the Freddi fish games made after it, Freddi's top fin goes all the way down to her tail. However, in Kelp Seed Mystery, her top fin stops right when it is about to go down. Luther's appearance also changes.