Each game review featured a rating out of 10 for the graphics, sound, gameplay and lifespan, plus an overall percentage score.

The five scores from the jury were then averaged to determine a rider's total percentage score.

In reality, the difference between average percentage scores for two year groups is unlikely to be more than a percent or two each way.

The only difference would be that the percentage scores wouldn't be used as the fixed grade boundary.

Lygo also holds the record for the highest non-special winning percentage score with 87.

Otherwise, the player is taken to the Results Screen, which rates the player's performance with a letter grade and a percentage score, among other statistics.

Both of these events yielded gold-medal winning performances, the latter being exceptional for the highest percentage score (6/7, 85%) on any board.

On completing the game, the player receives a percentage score.

Results are calculated as the difference between percentage scores with zero acting as the centerline point.

Players are ranked first by how long they lasted, and then, in case of a tie, by percentage score.