Knowing them they will most likely expect too much again. So I'll go with 20M.
Which is not crazy, after 2017 they only had 4 "evergreen" titles, now they have 8 like this which will maintain in the top 20 everytime there won't be new releases from SONY and Microsoft.
Current PB on Secret of Mana remake : 2h27 (2nd)
Strongest worldwide achievement on TGM : 1st European S13 rank
Fastest TI MASTER in Europe : rank Master V in 5min10
Current PB on Power Ranger (Game Gear) : 10min06 (World Record)
Non-geek activity : ThermalHungary
LET'S FACE THIS FACT : The Switch is the last physical video game system of the history who has a chance to beat PS2's sales.