Arc Raiders developer Embark Studios has officially announced that fans of the popular extraction shooter will soon have a more cooperative-focused way to enjoy exploring topside, as a long-awaited PvE mode will be available to test from October 13-20. The announcement comes three months after news that Embark was testing a unique PvE map condition on Chinese beta servers. This time around, though, players won’t be forced to seek a specific map condition to get their PvE fix. Instead, a…