Gamehelpinverteddice

=Overview

The sum of your dice rolled is the sum of the faces not seen, or 21 subtracted by each unique value shown

The game ends after 20 rounds

Turn

First, roll all 5 dice

The player then has up to two re-rolls of select dice, if they wish

If the inverted total has not previously been scored by the player, they score it

Otherwise, they score 0 that round

Scoring

At the end of the twentieth round, score your results

Add up all unique scores you managed to achieve

In addition, there are bonus awards

If you have 1-2-3-4-5 you get 50 points

If you have 6-7-8-9-10-11-12-13-14-15 you get 50 points

If you have 16-17-18-19-20 you get 50 points

If your total score is 290 or higher, you earn the Inverted Master Achievement

If your total score is 360, you earn the Inverted Grandmaster Achievement

The player with the most points wins!