Scratch Alternatives for Windows
There are many alternatives to Scratch for Windows if you are looking to replace it. The most popular Windows alternative is 
GDevelop, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Scratch and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Scratch are 
GameMaker: Studio (Paid), 
Urho3D (Free, Open Source), 
ENIGMA - LateralGM (Free, Open Source) and 
MonoGame (Free, Open Source).
- GDevelop is an open-source game making software designed to be used by everyone. Any kind of 2D games can be created with it and no programming skills are required to get started. Logic of games are made using visual events.
- Design your own computer games with a drag-and-drop event/action system, and introduce yourself to coding at your own pace.
- Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE and Horde3D.
- ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform game development environment derived from that of the popular software...
- One framework for creating powerful cross-platform games. The spiritual successor to XNA with 1000's of titles shipped across desktop, mobile, and console platforms.
- Alice is an innovative 3D programming environment that makes it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web.
- ct.js is a 2D game editor (desktop app) based on web technologies. It aims to be an extensible yet simple game-making tool, accessible for both newbies and experienced game developers.
- GameSalad Creator is an authoring tool developed by GameSalad, Inc.
- Project Anarchy is a complete end to end game engine and state-of-the-art toolset for mobile.
- Your 3d models in the cloud.