Player buy in is almost as important as in a horror game. At a minimum I would want all players to agree whether secret identities are important or not (since this affects the kind of personal stories you can use), and whether the heroes will be keeping to a moral code with respect to killing...
The d10 is a latecomer, probably because it's not a platonic solid.
In some instances, the Genesys rules have you apply the dice results mathematically, but in others, they allow for narrative interpretation. So it can feel inconsistent. In play I thought Genesys handles large combats as well...
I can't say it any better that that, so I will add "mechanics that promote synergies in team fighting itself."
Supers gaming suffers from a variation of James Bond's laser watch problem, where the emulation of other media in an rpg strains to operate. If a character has two powers, but one is...
It's not necessary that the mechanics support the lore, but why wouldn't a designer strive for it? Unless there is a commitment to stay within a particular rules system - not an unwise decision, if that system is 5e - you have the wisdom of five decades of game writing to consider when creating...
The course to thread between providing comprehensive information and offering material that's good for use in the game is a narrow one. The difficulty is further compounded in this case because there are two earlier editions of a Gaslight sourcebook. Some grognards are apt to complain that they...