I remember I got Doom for the GBA new, out of the box, hoping to relive the awesome experience I had back in the day. I played, and though "What the f##k? This piece of crap!" Nintendo had completely messed with it. Granted, a game like Doom that requires a keyboard should never be on the GBA, but still... You have to press SELECT constantly to cycle through weapons instead of instantly calling one up, the blood is green, the levels fell like they've been reworked, the textures are crappy and grainy, and you put in these stupid button-pressing codes instead of the easier typing...and saving your game? Don't even get me STARTED on saving...
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"How are you gentlemen !! All your base are belong to us !! You are on the way to destruction. You have no chance to survive make your time. HA HA HA HA ...."
-Cats, Zero Wing (Genesis)