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[Roadmap] Bomb power-up #14

@Otaiki1

Description

@Otaiki1

Overview

A Bomb is a special one-time-use item that removes all cells in a 3×3 area centred on a tapped board cell, awarding partial points for each cell destroyed.

Status: Post-MiniPay launch roadmap.

UX Flow

  1. When the player has a bomb available, a BOMB button appears in the game chrome (bottom-left of board, styled red)
  2. Player taps BOMB → game enters "bomb targeting mode", crosshair follows finger
  3. Player taps a cell → 3×3 zone highlighted red
  4. Confirmation tap (or 1-second hold) → explosion animation plays, cells removed
  5. Points: 5 pts per cell destroyed — no combo multiplier (bomb is not a line clear)
  6. BOMB button removed for the rest of that game

Acquisition

On-chain Encoding

  • Bomb use recorded in packed move data as a distinct move type (not a normal piece placement)
  • Contract must be updated to understand bomb moves for spot-check replay
  • This is a contract change

Contract change required: Yes

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