Space Marine: The Board Game - How to Play Board Game with Stella and Tarrant

About Space Marine: The Board Game, from BoardGameGeek:

In the grim darkness of the 41st Millennium, Humanity is spread thin, fighting a losing battle against enemies all across the galaxy. Space Marine: The Board Game is a thrilling survival game, pitting the noble Lieutenant Titus of the Ultramarines against endless swarms of all-consuming alien horrors! The box is packed with 23 push-fit miniatures, dice, a ruler, a game board, and a 40-page rulebook packed with backstory and missions. You and a friend will take control of either the lone Space Marine, or more than 20 ravenous Tyranids that want to eat him alive. It's fast-paced action, as Titus fights valiantly to defeat his enemies with superhuman strength and brutal weapons. Can he hold them back, or will the Tyranids overwhelm him in the end? Space Marine: The Board Game represents the perfect foot in the door for anyone who's completely new to the Warhammer hobby. It's easy to set up – every model is push-fit – and can be played in around 30 minutes. So if you have friends or family who want to give the worlds of Warhammer a go, this is a brilliant place to start. -description from the publisher