Need to record game audio and mic audio on different tracks

So I want to record game audio and mic audio on seperate tracks in audacity because sometimes my recording software (Powder) does not record the game audio.

And I find it difficult to sync the game audio and the mic audio so I really need a solution.

Sometimes I only need to mute my voice so it will help a lot.

I tried Voice Meeter but I can’t figure it out and I can’t seem to find anything else so please help me.