Capcom have uploaded a demo playthrough over on their Youtube channel. for Resident Evil 0 HD The footage was recorded during E3 2015.
Resident Evil Zero was originally released in 2002 and acts as a prequel to the first Resident Evil, covering the ordeals experienced in the Arklay Mountains by Bravo Team, a division of the S.T.A.R.S police force. The story follows officer Rebecca Chambers as she investigates a series of murders, teaming up with convict Billy Coen along the way to survive the viral outbreak involving zombies.
Resident Evil Zero differs from other titles in the series with its unique “partner zapping” system. Players can switch between Billy and Rebecca at will throughout the game to solve puzzles and take advantage of their unique abilities.
You can watch the full Resident Evil 0 HD remaster demo playthrough below.