$ find carts/ -iname "*.p8.png" -exec file {} \; | grep -v PNG
carts/boo(f) - (bcj) (19981) (2016-04-23) (PICO-8).p8.png: ASCII text
carts/5 ночей с фред&#1076 - (vlad) (10552) (2015-05-09) (PICO-8).p8.png: JPEG image data, JFIF standard 1.01, aspect ratio, density 1x1, segment length 16, baseline, precision 8, 299x169, components 3
carts/boo(f) - (bcj) (19979) (2016-04-23) (PICO-8).p8.png: ASCII text
carts/Jelpi Zombie 1 - (zora) (19014) (2016-02-28) (PICO-8).p8.png: ASCII text
carts/naval battle 1 - (circulus) (25725) (2016-07-22) (PICO-8).p8.png: ASCII text
carts/calculator 0.0.1 - (circulus) (25727) (2016-07-22) (PICO-8).p8.png: ASCII text
carts/CONCERT OF THE DAMNED 0.01 - (TonyTheTGR) (24500) (2016-07-04) (PICO-8).p8.png: ASCII text
carts/Triotos w_ title music - (adrian09_01) (25108) (2016-07-11) (PICO-8).p8.png: ASCII text, with very long lines (446)
carts/PICO PICO REVOLUTION (Not Playable Yet) 0.01 0.01b - (TonyTheTGR) (24511) (2016-07-04) (PICO-8).p8.png: ASCII text