Resident Evil 4: How to Obtain Chicago Sweeper

How to Acquire Chicago Sweeper

Unlock by Completing Professional Difficulty with an A Rank

To unlock Chicago Sweeper, complete the game on Professional Difficulty with at least an A rank. An A rank requires a completion time of under 7:00, so make sure you're well-prepared before attempting it.

Recommended Unlock Path for Chicago Sweeper

First, Complete Rounds to Purchase the Infinite Rocket Launcher

Initially, focus on completing rounds to acquire the Infinite Rocket Launcher, Collect treasures and effectively use Gemstones to accumulate 2 million points, which you can use to purchase the Infinite Rocket Launcher. After that, attempt to clear the Hardcore difficulty.

Efficiently Sell Unnecessary Items

Item	Effect
Rhinoceros Beetle	Increases selling price of recovery items by 100%
Leon (shotgun)	Increases selling price of ammo items by 40%

When you obtain items you don't need, sell them efficiently by using price-boosting charms. This will help you accumulate a significant amount of money.

Clear Hardcore with an A Rank Using the Infinite Rocket Launcher

After acquiring the Infinite Rocket Launcher, aim to clear Hardcore Mode with an A rank or higher. Doing so will reward you with Ashley's "Armor" costume, which makes her invincible and simplifies the Professional difficulty level.

Clear Professional Mode with an A Rank or Higher Using Ashley's Armor

Once you've acquired both Ashley's Armor and the Infinite Rocket Launcher, aim to complete Professional Mode with an A rank or higher. With these items, you can easily defeat enemies and never get a GAME OVER in Ashley’s segments.

Changes in the Chicago Sweeper Post-Remake

Significant Power Reduction

Chicago Sweeper in the RE4 Remake has significantly less power compared to its original counterpart, the "Chicago Typewriter." While the original had a power level of 10, the new version maxes out at 2, making it less effective against enemies.

Increased Recoil

Chicago Sweeper now has recoil. Continuous fire without control will make the aim drift upwards, requiring players to control the recoil manually.

Changed Reload Animation

The reload animation has changed, being much faster in the original game. Players familiar with the original should take note of the new reload speed.

Hidden Elements and Connections to Other Works

Chicago Sweeper Special Features

Infinite Ammo and No Need for Reloading

Chicago Sweeper comes with infinite ammo and no need to reload. However, other weapons will still require reloading, making Chicago Sweeper most effective against weaker enemies.

Performance and Upgrade Costs

Performance by Level

Modification Cost

Handguns
Sentinel Nine	SG-09 R
the Punisher	Red9
Matilda

Shotguns
Skull Shaker	W-870
Riot Gun	Striker

Submachine Guns
TMP	LE 5

Rifles
SR M1903	the Stingray
CQBR Assault Rifle

Thrower
Bolt Thrower

Magnum
Broken Butterfly	Killer7

Knives
Combat Knife	Primal Knife
the Fighting Knife

Related Guides
Recommended Weapon Upgrades	Recommended Weapons Listed
Attachments and Parts	How to Unlock Infinite Ammo and Weapons
Recommended Exclusive Upgrades and Perks

Collectibles
Chicago Sweeper

Infinite Ammo
Handcannon

Secret Weapon
Unlocking Bonus Weapons

Grenade
Flash Grenades