I've seen it on a TF2 video that I can't find anymore, but I found another occasion of someone doing this here:
At the bottom right, it shows "Achievement progress" and it appears multiple times throughout the video as he activates more radios.
I've seen it on a TF2 video that I can't find anymore, but I found another occasion of someone doing this here:
At the bottom right, it shows "Achievement progress" and it appears multiple times throughout the video as he activates more radios.
You don't track the progress, it's up to each developer to implement progress for each achievement. Here is for example Euro Truck Simulator 2 with partial progress for 3 of it's achievements:
And here is Beat Saber not implementing progress for the Drum Kit and No Mistakes achievements: