1) Windows 8.1 is garbage. 2) Mandatory, forced, no-way-to-op-out of updates on Windows 10, which gives Microsoft unlimited access how to install spyware on your computer without you knowing about it or being able to do anything about it. Windows 7 still accounts for 42% of the OS of choice for Steam users. So, if your plan is to eliminate this large of an audience, by all means go ahead. Just don't expect people to upgrade to Windows 8 or 10 to play RISK. Here is a break down of Valve's own stat-tracki...

Win8.1 & Win10 can take a flying kite, really. So can anyone confirm if this works on win7 or not? Can confirm, the game works fine on windows 7.

better try that

As you may be aware , an update will soon be released for RISK - A Game of World Domination. In an effort to keep our Steam community better informed, we’d like to share what we have planned for the new, upcoming version of the much-loved game. The three main areas the update will address are: Major bug fixes Ability to fast forward AI turns Stability fixes To address the many questions we...

It doesn't.