How can I play a game in a window?

[lamina]

I came across my old Duke Nukem 3D disk yesterday! Huzzah! Anyway, I want to run it in windowed mode on my PowerBook. Is there a way to do this?

 

[Pili]

you try cmnd + m?

also if it doesnt work try putting caps lock then doing cmnd + m. for some reason i have to put caps lock on to do it. no idea why.