Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Wondershare PDFelement - All-in-one PDF editor