Dr Ertzberger's Microsoft Office Games collection

Check out this collection of free games templates in MS PowerPoint, Excel and Word:
Jeff Ertzberger Microsoft Office Games PowerPoint Games
There are many more available on the premium site and a single license comes with the pdf e-book "A teacher's guide to customizing games for any curriculum" which costs £17.99 at the moment. Well worth it! Just check out the list of video tutorials on YouTube

Enjoy! Volker