Forge · Emergency Session File

Improvised TTRPG session generator — zero-prep, last-minute Game Master prep in under an hour.

A zero-prep session generator and campaign doctor for Game Masters — brief in a setting, a tension, and a deadline, and the dossier returns an event hook, three ready-to-run session arcs, the connective tissue between them, an NPC brief, environment notes, and a debrief with a cliffhanger for next time.

What the dossier delivers

  • Event hookThe inciting incident the session opens on — a courier who never arrived, a witness who won’t talk past the second bell, a door that should not have been unlocked. One line the table can chase.
  • Three session arcsThree ready-to-run session arcs stacked from short to long — each one a complete line of play the GM can run tonight without further prep. Pick one, run it, or let the table pick which to follow.
  • Connective tissueThe bridges between arcs so the three stay coherent — the NPC, place, and beat tying them together, so the table never feels the seam. The campaign runs as one session, not three in a trench coat.
  • NPC briefThe named NPC the arcs orbit — a sentence of motivation, a tell, and one thing they want badly enough to betray someone for. Enough for the table to improvise around; nothing more.
  • Environment notesThe setup the arcs need to read at the table — light, weather, sound, the odd object on the wrong shelf. A paragraph the GM can read aloud and a sentence the players’ senses will hold.
  • Debrief + cliffhangerHow the session ends — the consequence the table left on the world, and the cliffhanger that pulls them back next time. The session writes its own next session.

Sample dossier · redaction

A teaser of the file the workbench returns — three strata excerpted from a sample run. Run the workbench once to see the full set.

SESSION FILE · TONIGHT · the courier who missed the second bell

STRATUM I · EVENT HOOK

A missing courier, a sealed brief — and a witness whobefore the second bell.

STRATUM II · SESSION ARC I

  • The witness — recovered from a taproom at ; speaks only in the third person about a sealed brief she never carried.
  • The route — along the cliff road past ; the courier’s satchel washed up in the marsh, the seal unbroken.
  • The buyer — a charter house in the city, three floors above a tavern nobody visits; the brief is already on their table.

STRATUM III · DEBRIEF

The witness disappears before the second bell. The satchel is empty. The charter house door is unlocked, the third-floor room is dark, and a fresh seal — identical to the courier’s — . Whatever the brief was, it has begun talking to the wrong people.

Open the Emergency Session File Sign in or use starter credits to generate.