Remember player agency!
I happen to have read the wikipedia entry on World War Z and the comment that stood out to me was, “The only thing the book and the movie have in common is the title.” That may have been a bit of an exaggeration but it was enough for me to seek out the book [...]
Most recently Dungeons and Dragons 4th edition codified tiers of adventuring in a RPG based on relative player character power and ability: Heroic, Paragon and Epic. The tiers were predicated on character ability and class level. Tiers in adventuring have been around the RPG hobby for decades. Basic/Expert D&D as well as Star Frontiers had [...]
In the course of producing a quarterly sci-fi fan magazine ( http://frontierexplorer.org/ ) myself and another editor discussed doing some conversion articles. In the first year of publication the magazine was pretty much dedicated to our favorite Sci Fi RPG even though we do not intend for it to be exclusive to one game mechanic. [...]