Screenshot of Adobe Flash CS4 running on Windows 7 Ultimate 32 bit
Adobe Flash aka Adobe Animate (formerly called Macromedia Flash and Shockwave Flash) is a multimedia software platform for the production of animations, browser games, rich Internet applications, desktop applications, mobile applications and mobile games.
In parodies
Several Flash games appears in some AGK series. e.g. In TheKewlOne96, Ivan187 and some others' series, Leopold plays The Impossible Quiz and ends up failing.
UsefulAGKHelper also uses Flash to make AGK videos, notably the animations.
Atekuro95 uses Adobe Animate CC for animating Object Show Characters as seen in "AGK VS Dark Leopold Part 3".
YumaSonic2016 uses in Adobe Animate CC for his AGK series animations.