set terminal pngcairo font ',10' size 600,600

set xdata time
set timefmt "%Y-%m-%d"
set xtics format "%Y-%m-%d"
set xtics 60*60*24*60
set xrange ["2017-01-01":]
set yrange [20:70]
set grid

set output 'steam.png'
set multiplot layout 2,1


set title 'Number of games in the top 100 best selling games on Steam'
set key top right
plot 'best_sellers.dat' using 1:4 smooth unique title 'Mac',\
     '' using 1:5 smooth unique title 'Linux'

set title 'Number of games in the top 100 best rated games on Steam'
set key bottom right
plot 'best_rated.dat' using 1:4 smooth unique title 'Mac',\
     '' using 1:5 smooth unique title 'Linux'