Do you know you're multiplayer games?

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Across
  1. 4. free to play team based first person shooter with unique characters
  2. 5. blocky sandbox game known as the most "popular video game"
  3. 7. team game where soccer is played with cars
Down
  1. 1. like a playground for gamers hosting a practically infinite amount of user generated content
  2. 2. battle royal made by epic games
  3. 3. hero shooter based on charters from the marvel franchise
  4. 6. fast paced fps francize that's been running since 2003