I just tried blending the results of ESRGAN and SFTGAN processing for sprites (similar to what I did here), here's a very rough test result (zoomed 2x):
https://i.imgur.com/pmncv0g.png

Phredreeke, on 27 January 2019 - 02:30 PM, said:
MusicallyInspired, on 29 January 2019 - 08:19 AM, said: