This another pickup this summer in the various game lots I have found. Prisoners of war has Double Dragon style combat system with the addition of occasional gun pickups. This video shows the Title screen, brief intro and the automatic game demo.
Info on the game via Wikipedia:
P.O.W.: Prisoners of War, released in Japan as Datsugoku: Prisoners of War (脱獄 -Prisoners of War-?), is a side-scrolling beat ’em up produced by SNK originally released as an arcade game in 1988. A home version was released for the Nintendo Entertainment System on June 30, 1989 in Japan and on September 1989 in North America. The player controls a military prisoner who breaks free from his cell and must fight his way into the enemy’s main base in order to eliminate their leader and escape.
Captured via Retron5 — Extremecap U3 at 720p — Mirillis Action! — Fullscreen Capture at 1080p 60fps Lossless Compression —- Adobe Premiere CS6 —-Rendered via H.264 1080p 60fps 30mbps with 48khz 320kbps Audio —- Youtube
Retron 5 settings include HQ2x filter, Scanlines, maintain aspect ratio, all sound enhancements turned on.