Shadow Warrior Classic is now free-to-play for Windows and macOS on GOG.com and Steam, offering the chance to check out this Build-engine martial arts shooter that met with a little controversy when it was released back in 1997.
Here's the Steam description of the game:
GOG pageStrap on your combat sandals...Lo Wang is coming to the Land of the Rising Sun to turn out the lights. Experience total blood immersion. If you can't touch, kill or drive something...then blow it away! Whether you're wielding shurikens, an Uzi, or a freshly plundered Guardian head...you've got your work cut out for you. Enter the world's most interactive 3D environment...and cut yourself some sushi!
STEAM page