Years ago I converted a GURPS campaign to Arcana Evolved, a 3.5 variant by Monte Cook. What I did was give clerics access to some force spells (sorcerous blast, wall of force) and said that they did holy damage (radiant today). However, they only worked against undead, demons, and such.
The...
Masks of Nyarlathotep Prop Set for the Call of Cthulhu RPG
https://www.kickstarter.com/projects/16120292/masks-of-nyarlathotep-prop-set/backing/details
The props looked great but I think the creator got overwhelmed with the number of hackers and how much they needed to create. I got one part...
Earthdawn had an interesting memorization system. You had so many slots that you could use to holds spells that you could cast safely. You could also cast other spells that you knew . . . but evil creatures could sense that and mark you. I remember my players being very paranoid about that :)
Do you have to increase the hit points for each of the parts since spells like Fireball can hit multiple parts at once? Does each part need to make its own save?
Years ago I ran a campaign where the players ran a big mercenary company in the Birthright setting. Everyone got a 7th, 5th, and 3rd level character that had different roles in the company.
Sometimes we did a major battle and they all got to use their big characters. Other times they would have...
SuperSystem (and the various other games from the company) used the Goalsystem which used d6 dice pools.
You either were going against a fixed target number of successes or more usually as a contest against the defender who also rolled their defense pool.
When you rolled your pool:
4 or 5...
Years ago in college when I had lots more free time, I created 10 years of history for all of the regions on some map I had found. If I remember correctly, I used some simple software I wrote to give me ideas (Group X has split, Fighting between X and Y) while I was creating it. Sort of cliff...