Original sentence: On April 14th, 2009, Konami held a Gamers Night Press Event which allowed a more general public to demo the game.The game was demonstrated by Konami executives at the E3 Electronic Expo 2009 on June 1st.While a few of the videos contradict themselves due to Zombie making dramatic changes to the environment and gameplay, they still have maintained the general roots of the game and it's story revealed thusfar
Edited sentence: On April 14, 2009, Konami held a Gamers Night Press Event which allowed a more general public to demo the game.The game was demonstrated by Konami executives at the E3 Electronic Expo 2009 on June 1.While a few of the videos contradict themselves due to Zombie making dramatic changes to the environment and gameplay, they still have maintained the general roots of the game and it's story revealed thus far