Another comercial game was made using the OpenBOR Engine:
Balacera Brothers.
Balacera Brothers is a retro-styled run n' gun game. full of color, energetic music, and fast-paced action!
Heroes Harold and Benny take a break from playing with their ska band to rid the world of the merciless Nugnur and its horde of evil skeletons!
Trailer
Intro & stage 1
Buy it here - it's only $11 and you will help an indie game creator which is a very good person too
https://gamejolt.com/games/balacera_brothers/454570
April Fools