Have the same issue. Also using Ubuntu 17.10 with nvidia 384.90 driver. Happens for me in Day of Infamy and Insurgency. I need to go to video settings and set to windowed or borderless and back to fullscreen in order to play the game in full screen again. Or just quit and relaunch it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725649 Title: Fullscreen games loose "fullscreen" after an alt+tab To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1725649/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
