If the goalkeeper hits the ball but it keeps spinning and it pass the goal line then it must be a goal. Same happens when it hits the goalpost and then it hits a player and then it pass the goal line.
If your companion is on the ground and G does not work, save your game and refresh your browser, load the game and he will be alive. But every time you do this you will see an advertisement...$$$
Your mate keeps doing the same thing over and over, he always stay under the ceiling hole where the neverend-zombie-came-out-of-a-blackhole appears. I was wondering if people were living in the AC ducts and they got infected or this is a race of breaking slab zombies because they go through all the concrete slabs of every building in this game.