Both games they developed have poor graphics comparable to those of an early N64 or PS1 game. They fail to recapture their respective shows' source material.
The controls in both games are poor.
Their games have really repetitive music, due to the fact that they couldn't come up with that many music tracks. ROTFD only has nine music tracks in the entire game, but you'll hear the Jellyfishing music track for the majority of the game.
Their games are really short, as their Jimmy Neutron game only has six levels, while their SpongeBob SquarePants game has seven levels.
Horrible boss battles. In fact, the games don't really have that many boss battles.
Their SpongeBob game has a loading glitch that causes players to lose their save files (PS2 version only).
The music resets every time someone speaks.
Linear level design in open world games.
Questionable voice acting choices.
Tons of glitches.
The Only Redeeming Quality
Both games have a lot of cool unused features on TCRF.