application_layout.html.erb

<%= javascript_include_tag :defaults %>

game_index_view.html.erb

<td>
  <%= link_to 'Edit', edit_game_path(game) %> |
  <%= link_to_remote 'Delete', 
                     :url => game_path(game), 
                     :method => :delete, 
                     :confirm => 'Are you sure you want to delete?' %>
</td>

games_controller.rb

def destroy
  @game = Game.find(params[:id])
  @game.destroy
  render :js => "$('#{dom_id(@game)}').remove();"
end