game.component.html

<app-board [score]="score"></app-board>
<app-planet [planet]="planet"></app-planet>
<div class="card-container">
  <app-card [card]="cards[0]"></app-card>
  <app-card [card]="cards[1]"></app-card>
  <app-card [card]="cards[2]"></app-card>
</div>