Nokia lumia 820 heating issue in the often games highly heated!!!

It heats up while playing heavy games (and emulators)?

It should. Some of these games are just really heavy or poorly optimized for the platform so you shouldn't be surprised.
 
having same situation - 820 slightly hotter on top of screen when playing graphically advanced games like Asphalt 8 or Modern Combat 4...i guess it's not actually critical temp

btw. compared with HTC One - heats up to 85?C - tech support said that temperature lower than 105?C is perfectly safe for the device (but they didn't told me how can i hold it without burning my fingers..)
 
It heats up while playing heavy games (and emulators)?

It should. Some of these games are just really heavy or poorly optimized for the platform so you shouldn't be surprised.
This. First versions of Tetris Blitz caused heating, after few updates thing are fixed. Poorly optimized games also cause battery drain. Firs version of Subway Surfers was using 45% / h, now it uses about 35%.
 
This used to happen when I first got my 820 but now I just don't play games and if I do it doesn't over-heat.
 

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