Install latest/stable of DOSBox-X
Make sure snap support is enabled in your Desktop store.
Install using the command line
Don't have snapd? Get set up for snaps.
DOSBox-X is a x86 emulator with Tandy/Hercules/CGA/EGA/VGA/SVGA graphicssound and DOS. It's been designed to run old DOS games under platforms thatdon't support it.