Is it acceptable to say? Absolutely! I say "playing computer" all the time. Actually, I probably say this more often than "playing computer games". Everybody will understand your meaning, and I doubt that anybody would think it sounds strange.
Is it acceptable to say? Absolutely! I say "playing computer" all the time. Actually, I probably say this more often than "playing computer games". Everybody will understand your meaning, and I doubt that anybody would think it sounds strange.