The task bar appears on top of ONI while playing the game in fullscreen mode. This causes some HUD elements to be obsured in game.
As a workaround while playing the game, I am right clicking on the task bar > Settings > Toggle 'Automatically hide the taskbar in desktop mode' on
(1280 x 720 @ 60Hz)
Windows 10 pro 64-bit (10.0, Build 14393)
This issue has also been mentioned here in an unrelated thread:
1) Launch game in fullscreen mode 2) Observe prescience of Task Bar Note: This may cause 'Rock the Casbah' to get stuck in your head.