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TTRPG Movement Speed Exploration

Abstract

This source is a design-analysis essay rather than a complete subsystem, but it contributes a practical movement decision model that can be dropped into old-school exploration loops.

Quantitative Framing

The author anchors movement design to simple speed bands:

  • 2 m/s walking baseline
  • 4 m/s running baseline
  • 6 m/s sprinting baseline

These are mapped into table-facing movement buckets that align with common fantasy RPG scales (including 40/80/120-foot round movement).

Proposed Play Procedure

The article presents two implementation variants:

  1. Declare speed before moving each exploration round, then resolve speed-linked risk.
  2. Move first, but crossing beyond safe pace backtracks to first hidden trigger (trap/hazard/effect).

Both convert movement from pure geometry into an explicit risk declaration.

Speed Band Tradeoffs

Slow

  • 40 ft/round
  • keeps an additional action
  • supports careful mapping and trap-aware movement

Fast

  • 80 ft/round
  • no extra action
  • can trigger unknown hazards
  • allows rough (low-detail) mapping

Sprint

  • 120 ft/round
  • no extra action
  • triggers all traps (including known ones)
  • carries logistics penalties (for example torch/candle failure risk)
  • disallows mapping

Integration Use Cases

  • Add speed declarations to dungeon turns when you want urgency without full grid simulation.
  • Pair with hazard-clock or encounter-check procedures to make pace meaningful.
  • Use as a bolt-on for zone-based combat when distance categories feel too static.

Limits and Confidence Notes

The source is argument-driven and anecdotal, not a tested rules document. Mechanical values are still useful as draft defaults for playtest packets, but should be tuned during table trials.

See Also