Pf2e: The Grand Campaign Engine
Step into a living tabletop adventure where every choice matters and your companions feel like real friends at the table. Powered by the Pathfinder Second Edition Remaster ruleset, experience epic sagas with autonomous AI companions, living world state machines, and fully computed 3-action tactical combat.
The freedom of sitting at the table with your friends, backed by deep 3-action tactics and living companions.
Step into an adventure that captures the true magic of gathering around a table with your closest friends. Here, you are never locked into rigid dialogue trees or predetermined paths. Speak in your own voice, declare daring plans, negotiate with cunning adversaries, or push deeper into the dark. Behind the screen, an intelligent Game Master adjudicates rules, manages DCs, and rolls secret perception checks silently, delivering visual-novel sensory narration where every choice carries real physical weight.
Your party is not a collection of silent hirelings; they are living comrades driven by intelligent tactical priority systems. In exploration, they banter naturally, react to moral crossroads, and offer their specialized skills to pick locks, decipher ancient runes, or treat bleeding wounds. In battle, they think like seasoned veterans. They automatically position to flank enemies for off-guard penalties, discipline their three-action turns to raise shields before ending their round, and prioritize emergency healing the moment an ally falls into danger.
Adventures flow through a deterministic graph of connected scenes, powered by a four-beat state machine that balances spatial atmosphere, hidden discoveries, tactical hurdles, and threshold transitions. Decisive player actions fluidly bypass obstacles, but the living world never forgets. Hostile creatures or hazards you sneak past do not magically disappear; they remain active in the regional ecology, stalking the party and risking deadly rear-guard ambushes if alarms blare or when backtracking through cleared corridors.
Combat comes alive through the tactical depth of Pathfinder Second Edition Remaster rules, backed by a fully computed character sheet engine. Every strike, saving throw, skill bonus, rune enhancement, bulk rating, and condition penalty recalculates in real time as you swap gear or take hits. On your turn, a clean terminal tactical HUD presents your active action options, strikes, and spells with mathematical precision, allowing you to trip foes, demoralize brutes, and coordinate spell bursts without ever breaking narrative immersion.
Launch complete, turnkey Adventure Paths instantly from the opening menu without tedious setup. Descend through the ten perilous levels of the Abomination Vaults megadungeon, or claim the untamed wilderness in the full six-book Kingmaker saga, where your sovereign kingdom expands through ministerial decrees and milestone choices rather than spreadsheet math.
The system is built upon deep rules and multi-step logic, so the best cheap model for it is muse spark. It will not function properly with mimo 2.5, and even deepseek v4 flash can sometimes struggle.
If for some reason game start does not initialize properly, its better to restart the game! Thanks for playing!
ATTRIBUTION — This project adapts ORC-licensed rules text from Pathfinder Player Core (© 2023 Paizo Inc.), Pathfinder GM Core (© 2023 Paizo Inc.), and Pathfinder Monster Core (© 2024 Paizo Inc.). The root Attribution file carries the ORC Notice, the complete attribution with author credits, the Reserved Material designation, and the full ORC License text as the license requires. The license covers rules text only: 'Pathfinder' and the Pathfinder logo are Paizo trademarks not granted by ORC, so this project uses no Paizo logos or artwork (all images are original art generated within Craft) and claims no endorsement or official compatibility.