Just because I came across this
F1-Race (an old GB game) beta from the first WW:
http://www.spriters-resource.com/game_boy_advance/wariowareincmegamicrogames/sheet/59235/
And the GBC promotional demo is apparently a hack of WL2 and it has some pretty neat stuff
https://tcrf.net/Game_Boy_Color_Promotional_Demo
F1-Race (an old GB game) beta from the first WW:
http://www.spriters-resource.com/game_boy_advance/wariowareincmegamicrogames/sheet/59235/
And the GBC promotional demo is apparently a hack of WL2 and it has some pretty neat stuff
https://tcrf.net/Game_Boy_Color_Promotional_Demo