Different games, different paces, different view heights, different fovs....

Having the same sensitivity only preserves flick muscle memory, but if you set a particular setting for a game and never change it, you should adapt to it pretty fast when you jump on.

What Rauvz said.

Let's say you adjust the mouse sensitivity across different games, so that it matches the same mouse distance (without acceleration) for you to achieve a 180° turn or a 360° turn:
consider Rauvz factors, such as:
-> different player/target-object moving speeds
-> different player/target-object sizes
and so on.

They lead to some small but in the end effective differences when you actually handle the mouse.

Imagine being able to track perfectly in one game, when one person dodges, then you know exactly how you have to handle the mouse, as in flicks, turns, smaller adjustments, in combination with the hand, wrist, whole arm and posture. But when you go to use these memorized techniques in another game, due to the aforementioned factors it will not be the same for you to use the same movements to keep tracking of the enemy.
- in QL the enemies move different and not always with the same speed as in CS, as in UT, as in COD, minecraft and so on.

Therefore you could consider another approach:
Adjust the ingame sensitivity so that it matches your mouse handling instead of trying to find a perfect mousedistance-to-degree combination.

Maybe you tried this, when you set up a lower actual sensitivity in CS rather than in QL. But it doesn't feel the same at all somehow yet.

Personally I achieved the best personal performance, when I just sticked to one game exclusively, rather when I tried to play various games at the same time and trying to excel in them.

Btw into the aiming part comes also the "strafing" and or dodging. Since you have different ingame movement values, this also has an impact on how you have to handle the mouse.

Maybe stick to one setup and don't change so much too quick.

In QL and other games, you can benefit a lot from good strategies rather than using sheer aimpower. And that's something which will not be so easily forgotten.

So as long as you don't want to uberpro, keep it relaxed.

I went from 20cm to 40cm for cs and stuck with that for about 3 months. But had the same problem as you, despite having a super large area for my mouse. Playing reflex, quake, and faster games I noticed I wasn't taking certain shots or missing because my arm and hand would be positioned awkwardly.
So about two weeks ago changed it to 25 cm/360 (I only use one sens for all fps), and fixed those problems and have actually retained my aim and consistency in cs. So overall plus.

Don't buy the argument that you should use diff sens for diff games, just find one that suits each one best and stick with it. A lot of aim is muscle memory and the part that isn't is independent of your sens (movement, crosshair placement, etc)

it allways better to play only one game and use specefic settings for it.

i'd say keep it the same, or at least very similar. whenever i play csgo i can feel the aim i have from quake kicking in even though everything is a lot slower. same thing for when i play scout in tf2, even with the baby face blaster at full boost lol