Join Clash 3D the most downloaded mobile game worldwide in January 2021 February 20, 2021 Among Us slips to the second position Join Clash 3D from Supersonic Studios was the most downloaded mobile game across the globe in January 2021 with 27 million installs, according to a report by Sensor Tower. The game recorded a 3,300 times increase in installs from January 2020. India accounted for the highest number of installs for the game at 38.3 per cent of its total downloads and Indonesia stood at 6.4 per cent. Among Us from InnerSloth, for the first time since August 2020 slipped to the second position in January 2021 with 26 million installs.