Children of Liberty has been updated to version EX11. Here are the patch notes for this version:

New Features

• Added the Pause Menu. During a level, press Escape on keyboard or Start on controller to pause.
  
• Added menu controls display to the menu base.
  
• Added the Enter key as an additional confirmation key in menus.
  
• Added the ability to go back to the splash screen from the Main Menu.
  
• Added a super-idle countdown to the Main Menu (again) that takes you back to the splash screen after an idle minute.
  
• Added the Feedback Focus feature to the Main Menu (again) that lets us indicate where we need the most testing.
  
• Added force quit and soft reset controls (again):

Force Quit
Keyboard: Shift+Bksp+E+Esc
XB360 Controller: RT+B+Y+Start

Soft Reset
Keyboard: Shift+Bksp+Esc
XB360 Controller: RT+B+Start

Bug Fixes

• Fixed controls during Splash Screen: press Escape (keyboard) to quit
  
• Fixed demo-end scene images not scaling properly
  
• Fixed some GUI elements not reacting to change in input type.
  
• Fixed in-game controls display switching from controller to keyboard
  
• Fixed moving menu being visible behind loading screen background
  
• Optimized many input & menu functions
  

Please let us know if you experience bugs during or after pausing the game: access the bug report form by going to the game’s Main Menu and selecting “Report a Bug.” If you do write us a bug report, be very specific about what you were doing before you paused, and what you experienced after unpausing.