-Sourcebooks: All Paizo. Psionics, 1001 Spells, Deep Magic, and Path of War are all approved. Spheres of Power is approved.
-25 Point Buy. No scores lower than 8 or above 18 (after racial changes).
-Races: Core/Aasimar/Tiefling/Elemental-blooded preferred. A REALLY GOOD idea for something else might be accepted - quality is the big deciding factor.
-Classes: Any from legal sourcebooks.
-Alignment: Any non-evil. In addition, your character must be willing to cooperate with the rest of the party. You never know when you'll get stranded with no one else to help...
-Gestalt Rules.
-Max HP per Hit Dice
-Background Skills (PF Unchained)
-2 Bonus Skill Points per Level. One of these must be put into a Profession, the other into a Craft.
-Automatic Bonus Progression (PF Unchained)
-Stamina (PF Unchained - Free Bonus Feat for Fighters/Hybrid classes with a Fighter component, available to everyone else as a feat)