The rules are generally an improvement over previous editions... Especially RMSS and RMFP. I like that casters get spells every level and that the semi spell users have been tweaked... In a very good way.

As far as rules content... This is a solid improvement in the Spell Law series, worthy of a true improved 5th edition... Even over my beloved 2nd Edition.

I won't go over every item here... It is very worth buying for content.

However... Brace yourself for poor layout and page design. The art is weird to just ok... But I give a lot of credit to ICE for having it all bebe full color. That isn't cheap... But the art is definitely not a selling point... But welcome as no RM book (outside Germany) has color art.

It's the layout. Holy cow. It's not well done. Whoever did this looks like they have a tenuous grasp on how Microsoft Word works... Has never designed a technical document... And has never been to a design class. (3 pieces of 1/8 page art on a single page??)

In summary... RMU is a great progression of RM rules... Presentation seems more like a fan effort... Much love, but needs a professional touch... Don't let this keep you from laying down the money though... Good read, great new edition. Just wish they'd hire a better designer and less weird art.

This game is amazing. Unlike other OSR Sci-Fi games, this one stays very true to the Gygaxian White Box game. It is balanced and easy to house rule. Additionally James includes many popular optional rules in the text. I am greatly looking forward to further releases for this game.