From NEC Retro
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UPL (ユーピーエル) was an arcade developer that primarily produced shoot-'em-ups. They fell bankrupt in 1992.
- Not yet implemented
- Atomic Robo-Kid Special (1990)
- Gomola Speed (1990)
- Mahjong Haoden: Kaiser's Quest (1992)
Sega Retro has more information related to UPL