incoherentNPCmotivationsoveruseof timetravelrelies waytoo muchon improvnotsleepingbefore thesessionafraid totellplayersYESthe DMforgettingthey're ALSO aplayer and theirfun matters atthe table tooWAY tooambitiousneverwritesideasdowndoesn'tvet thecharactersheetsno planforcampaignendeverythingis a fetchquestabusing rulezero (DMalways hasfinal say)afraid totellplayersNOunderestimatingthe playersfocusingtoo muchon asingle PCover-preppingfor thesessionDMPC's,generallymakingdeathmeaninglessdoesn'tread playerbackstoriesoverusesrule ofcooltoo manydifferentstat blocksin combatexcessiveworldbuildingoverestimatingthe playersway toomuchexpositionincoherentNPCmotivationsoveruseof timetravelrelies waytoo muchon improvnotsleepingbefore thesessionafraid totellplayersYESthe DMforgettingthey're ALSO aplayer and theirfun matters atthe table tooWAY tooambitiousneverwritesideasdowndoesn'tvet thecharactersheetsno planforcampaignendeverythingis a fetchquestabusing rulezero (DMalways hasfinal say)afraid totellplayersNOunderestimatingthe playersfocusingtoo muchon asingle PCover-preppingfor thesessionDMPC's,generallymakingdeathmeaninglessdoesn'tread playerbackstoriesoverusesrule ofcooltoo manydifferentstat blocksin combatexcessiveworldbuildingoverestimatingthe playersway toomuchexposition

Bad DM habits Bingo - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. incoherent NPC motivations
  2. overuse of time travel
  3. relies way too much on improv
  4. not sleeping before the session
  5. afraid to tell players YES
  6. the DM forgetting they're ALSO a player and their fun matters at the table too
  7. WAY too ambitious
  8. never writes ideas down
  9. doesn't vet the character sheets
  10. no plan for campaign end
  11. everything is a fetch quest
  12. abusing rule zero (DM always has final say)
  13. afraid to tell players NO
  14. underestimating the players
  15. focusing too much on a single PC
  16. over-prepping for the session
  17. DMPC's, generally
  18. making death meaningless
  19. doesn't read player backstories
  20. overuses rule of cool
  21. too many different stat blocks in combat
  22. excessive worldbuilding
  23. overestimating the players
  24. way too much exposition