Cave Story - Change the EXP system to generic upgrades found in the game. Kills one of the coolest spins on Blaster Master's mechanics ruined.
Recettear - Force players to do both dungeon and item shop. Hurts the game's time management.
Star Craft - Remove each faction's uniqueness: it will be just C&C IN SPACE!
Super Puzzle Fighter 2 Turbo - Only Dan is playable: THIS IS MADNESS!
God of war - released on the Xbox: Can't let that singularity tore through the fabric of reality
Splatoon - Instead of paint, they really kills their opponent and it's blood they spilled: WILL SOMEBODY THINK OF THE CHILDREN!!?!?