Build a buzz in the lead up to looking for reviewers. Launch timing (if in your control) and your timing in contacting the press is pretty critical.
When submitting, include a press release and media kit (images and documents providing information about the game). Be sure to include ways for the audience to contact you, learn more about your game, and how to make a purchase! Don’t forget to include your release date!
Places to list your game:
Sites to upload your press release to: