x = hours_played, y = rating, z = sales_millions, colour = genre (all 144 points).
x = hours_played, y = rating, circle area = sales_millions, colour = genre.
Scales are built once from all rows. x = hours_played, y = rating, colour = genre.
Steps every 1.2 seconds.
Tooltip = popup near the cursor. Selection = direct visual change (black outline) + status line.
Same chart as Q3 A, but the tooltip waits 2 seconds after the cursor arrives.