There are two options:
1. Have one wide arm movement that turns the player 180 degrees, meaning that when the mouse is centred, the player can turn left or right by 90 degrees without lifting their mouse.
2. Have one wide arm movement that turns the player 360 degrees, meaning that when the mouse is centred, the player can turn left or right by 180 degrees without lifting their mouse.
Different players test each option and all available statistics are measured.
Turns out that option 1 performs much better than option 2.
For FFA (Free for all) games, having a reduced turn, also means that the player is more accurate. In a one on one fight, players with reduced-turn are able to consistently get more headshots (which deal much more damage then other shots) leading to winning more fights. This allows them to charge forwards into and out of fights, as it is unlikely for an enemy to be behind them since they had just cleared that area of enemies by previously charging into it.
For Team games, having a reduced turn still gives you the greater accuracy, but you're less likely to charge in since an enemy team can surround you and hit you in the back. This leads to teams of reduced-turn players remaining near each other in formation. If an enemy enters any player's field of view, they are able to kill that enemy faster since they can consistently get more headshots, protecting the whole team. If an entire enemy team appears together, the reduced turn team will still win because they can still get more headshots consistently. This tends to result in the enemy team breaking formation, allowing the reduced turn team to also break formation charging each enemy. The reduced turn team will then form back up into formation when they enemy team is close to regrouping.
