neverwritesideasdownoverusesrule ofcoolover-preppingfor thesessionno planforcampaignendmakingdeathmeaninglessafraid totellplayersYESrelies waytoo muchon improveverythingis a fetchquestfocusingtoo muchon asingle PCdoesn'tread playerbackstoriesthe DMforgettingthey're ALSO aplayer and theirfun matters atthe table toooverestimatingthe playersDMPC's,generallyexcessiveworldbuildingincoherentNPCmotivationsabusing rulezero (DMalways hasfinal say)too manydifferentstat blocksin combatunderestimatingthe playersnotsleepingbefore thesessiondoesn'tvet thecharactersheetsafraid totellplayersNOway toomuchexpositionoveruseof timetravelWAY tooambitiousneverwritesideasdownoverusesrule ofcoolover-preppingfor thesessionno planforcampaignendmakingdeathmeaninglessafraid totellplayersYESrelies waytoo muchon improveverythingis a fetchquestfocusingtoo muchon asingle PCdoesn'tread playerbackstoriesthe DMforgettingthey're ALSO aplayer and theirfun matters atthe table toooverestimatingthe playersDMPC's,generallyexcessiveworldbuildingincoherentNPCmotivationsabusing rulezero (DMalways hasfinal say)too manydifferentstat blocksin combatunderestimatingthe playersnotsleepingbefore thesessiondoesn'tvet thecharactersheetsafraid totellplayersNOway toomuchexpositionoveruseof timetravelWAY tooambitious

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