How to play Eraser Fight

Eraser Fight: Flag Battle is a school-desk 1v1 with country-flag rubber erasers. These are the rules. Same game as recess, called lawan pemadam in Malay and related to 消しゴム落とし when you play Drop.

Setup

Both players pick a flag. Player two sits opposite, so their half of the picker is upside-down.
A 3-2-1 countdown, then a 60-second round.
On your turn, tap only your own eraser.

The flick

Where you tap is where it goes. The impulse runs from the eraser's centre to the point you touched. Tapping the far edge throws it at your opponent. Tapping a corner throws it wide. Tapping the desk, the opponent, or empty space does nothing and does not cost the turn.

Flag eraser spinning above a classroom desk after a flick — The rubber flips, then slides. The turn is not over until it rests.

Pin rules (SEA default)

A pin is a resting overlap after motion stops.
Your centre of mass must sit over their footprint. Partial overlap can count.
The pinned eraser goes to the winner.
Leaving the desk is a fault. Nobody scores. The board resets. Falling off is never a win in Pin.

Drop rules (Japan school rule)

Knock the other eraser off the desk to win the round.
Both off: the attacker loses.
This is the 机の外へ落とす rule. It is in the same app as Pin.

Malaysia flag eraser falling off the edge of a school desk — Drop: off the desk scores. Pin: off the desk is a miss.

Sudden death

If the round clock hits zero with the scores level, play continues until someone pins or drops, depending on the mode.

Pass-and-play

Two people, one iPhone. Hand it between turns. Pause is in the top-left if you need to stop the clock. Pause offers Resume or Quit to menu.

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