Good aim in FPS games is built, not given. Most players blame talent or hardware for missed shots when the real fix is a clean settings baseline plus deliberate practice. Pro players overwhelmingly use 400-800 DPI with low in-game sensitivity, a 1000Hz polling rate, and one of two aim trainers (KovaaK's or Aim Lab) to drill the same skills every day.
The eight steps below cover everything that actually moves your aim, from mouse setup to muscle memory. Work through them in order. Most players see noticeable improvement within two weeks of locking in a single sensitivity and committing to short, focused practice sessions.
Why does aim feel inconsistent in FPS games?
Three things cause inconsistent aim in nearly every case. The first is sensitivity that keeps changing, which prevents muscle memory from locking in. The second is mouse acceleration left on by default in Windows, which breaks 1:1 movement and adds randomness to every flick. The third is no deliberate practice, only ranked games, which burn bad habits into reflexes instead of fixing them.
The fix sequence below addresses each cause directly, starting with the settings that matter most.
How to improve your aim in FPS games

A 40-serving Energy Formula tub is what the long aim-training sessions in this guide actually run on. Sustained focus matters more than raw setup time.
Step 1: Set your mouse to 400-800 DPI
Open your mouse software (Razer Synapse, Logitech G Hub, SteelSeries Engine, or similar) and set DPI to 400 or 800. Almost every professional FPS player runs in this range. Higher DPI does not mean better aim. Lower DPI gives more stable tracking, more precise micro-adjustments, and consistent muscle memory across games.
Step 2: Calculate your eDPI and pick a target range
Effective DPI (eDPI) is your mouse DPI multiplied by in-game sensitivity. Two players with the same eDPI have the same turn speed regardless of DPI/sens combo. Target ranges by genre: 200-400 eDPI for tactical shooters like Valorant or CS2, 800-1800 for faster games like Apex Legends, and 3000-4500 for Overwatch 2. Set your in-game sensitivity to land in the right range for the game you play most.
Step 3: Turn off mouse acceleration in Windows
Open Settings, click Bluetooth & devices, click Mouse, scroll to Additional mouse settings, switch to the Pointer Options tab, and uncheck "Enhance pointer precision." The setting adds variable acceleration to every cursor move, which destroys 1:1 mouse-to-game movement. Acceleration off is non-negotiable for a serious aim.
Step 4: Set polling rate to 1000Hz
In the same mouse software where you set DPI, find Polling Rate and set it to 1000Hz. Polling rate determines how often the mouse reports its position to your PC. 1000Hz means an update every 1ms, which is the smoothest tracking modern gaming hardware supports. Anything lower adds perceptible input delay during fast flicks.
Step 5: Set Windows pointer speed to 6/11
Open Settings, Bluetooth & devices, Mouse. The pointer speed slider has 11 notches. Only the 6th notch (the default middle) produces true 1:1 input. Every other notch silently applies acceleration or deceleration. Confirm the slider sits exactly in the middle before any in-game tuning.
Step 6: Lock your sensitivity for at least two weeks
Muscle memory takes 2-4 weeks of consistent reps to develop. Pick a sensitivity within your target eDPI range, write it down, and commit to it for at least 14 days before changing anything. Constantly tweaking settings during a slump prevents your brain from building the spatial map FPS aim depends on. Our guide on staying focused during long gaming sessions covers why decision-making slips during marathon practice runs.
Step 7: Use a large mousepad
Low DPI requires room. An XL mousepad (450mm or larger) is the modern pro standard for Valorant and CS2, and XXL pads that cover keyboard plus mouse zones are common for any player running above 45 cm per 360-degree turn. A small or worn surface forces wrist-only aim, which limits both range of motion and consistency. The right gaming gear setup behind your aim often makes more of a difference than the mouse itself.
Step 8: Practice with KovaaK's or Aim Lab daily
Aim trainers separate good players from average ones. Pick KovaaK's (paid, Steam) or Aim Lab (free, Steam). Run a 15-minute warm-up before every play session: 5 minutes flicking, 5 minutes tracking, 5 minutes target switching. Specific drill recommendations vary by playstyle, but the rule holds: focused 15-minute sessions beat 2 hours of unfocused play.
Step 9: Master crosshair placement
Settings build the foundation; crosshair placement wins fights. Keep the crosshair at head level at all times, pre-aim corners and angles before peeking, and avoid scanning with it pointed at the floor or ceiling. Most missed shots trace to bad placement, not bad aim.
Build the Habit, Not the Setup

The best mouse settings will not save aim that never gets practiced. A scoop of a clean energy formula, a 15-minute aim trainer warm-up, and a sensitivity locked for two weeks beat any hardware upgrade. Keep a classic flavor on the desk and rotate in a new arrival when the grind starts to feel like a job.
Frequently asked questions
Q. What is the best DPI for FPS games?
The best DPI for FPS games is 400-800. Almost every pro FPS player uses this range because lower DPI provides more stable tracking and precise micro-adjustments. Higher DPI is not better and can cause pixel skipping on some sensors.
Q. What is eDPI in FPS games?
eDPI (effective DPI) is your mouse DPI multiplied by your in-game sensitivity. The number gives a portable measure of true aim speed across setups. Two players with the same eDPI have the same turn speed.
Q. What is the best mouse sensitivity for Valorant or CS2?
Tactical shooters like Valorant and CS2 favor low sensitivity. Most pros target 200-400 eDPI. With 800 DPI as a baseline, that means an in-game sensitivity around 0.25-0.5.
Q. Should I turn off mouse acceleration?
Yes. Mouse acceleration breaks 1:1 movement and adds variable speed to every flick. Open Windows Settings, find Additional mouse settings, and uncheck "Enhance pointer precision" on the Pointer Options tab. Also, confirm acceleration is off in your game's settings.
Q. How long does it take to improve aim in FPS games?
Real improvement takes 2-4 weeks of consistent, deliberate practice. Muscle memory needs that long to develop after changing sensitivity. Focused 15-minute aim trainer sessions before each play day produce more gains than hours of unfocused ranked play.
Q. What is the best polling rate for FPS games?
1000Hz is the standard for competitive FPS gaming. The polling rate determines how often the mouse reports position to your PC, and 1ms updates produce the smoothest tracking.