Call of Duty Modern Warfare 4 Open Beta vs Launch: Every Change Infinity Ward Made

Call of Duty Modern Warfare 4 launched worldwide on October 23 for PS5, Xbox Series X|S, PC, and Switch 2. Before that, the Modern Warfare 4 open beta gave players two weekends to test it. Infinity Ward reworked a lot based on that feedback. This guide covers every change between the beta and launch, so your first matches hold no surprises.

Call of Duty Modern Warfare 4 Open Beta Recap

The beta is over, and you can't download it anymore. It closed on September 1, after two weekends of testing.

Detail	Early Access (Weekend 1)	Open Beta (Weekend 2)
Dates	August 21 to 25	August 28 to September 1
Access	Pre-order or beta code	Free for everyone
Platforms	PS5, Xbox Series X|S, PC	All of these, plus Switch 2
Level cap	20	30
Content added	Rooftops, Silkworm, Transit 213, Cachette, Lotus, Kill Block, Inflation	Lithium, Hijack, Combat Outpost, Zodiac Resurgence

In the beta, we got to see some enthralling details. You could play a full campaign mission, Entrenched, weeks before launch. Warzone also joined a Call of Duty beta for the first time, with Resurgence on a new map called Zodiac.

How the COD MW4 Open Beta Changed Between Weekends?

Weekend 1 drew loud complaints. Players felt guns killed too fast, and killstreaks flooded the sky. Infinity Ward pushed a large update before Weekend 2:

• Every weapon was retuned to slow the time-to-kill (TTK) slightly. The studio changed gun damage, not player health.
• Tactical Sprint left base movement and moved onto the Blood Rush perk.
• Slides became 10% shorter and 9% slower, and stamina dropped by 8%.
• Every killstreak cost one extra kill, and the UAV lost 60% of its health.
• Aim assist dropped in both Multiplayer and Warzone.
• Spawns put more distance between players and placed you on squadmates far less often.

Most of these changes carried into the full game. Infinity Ward softened or reversed a few.

MW4 Beta vs Launch: Every Big Change We Observed

Area	Final Beta	Launch
Time-to-kill	Slower Weekend 2 pace	Same pace, with a full weapon balance pass
Tactical Sprint	On Blood Rush as a test	Stays on Blood Rush, now in Perk 2
Weapons	22	33
Apex Attachments	One per supported gun	Beta versions pulled, returning through events
Killstreaks	10	17, with the extra kill cost kept
Core 6v6 maps	6	12, plus Shipment on October 27
Ground War	2 maps at 24v24	3 maps at 32v32
Gunfight	Kill Block only	Kill Block plus four 2v2 maps
Level cap	30	55, plus two Prestige paths
Training area	Mobility Course	Proving Grounds
Warzone	Zodiac Resurgence, default loadouts only	MW4 Warzone arrives with Season 1
DMZ	Not in the beta	Live at launch

Gunplay and TTK Comparison

According to the MW4 launch patch notes, players across every skill level preferred Weekend 2's slower TTK. That pace stays. Gunfights give you a bit more time to react than the twitchy first weekend did.

What changed is the balance between guns. Infinity Ward admits the beta never got weapon classes quite right. SMGs now perform better at close to mid range. One-shot weapons like snipers carry extra flinch and damage tweaks. Every attachment also got a tuning pass, and Gunsmith now shows Advanced Weapon Stats.

Aim assist changed too. It dropped for Weekend 2, and Infinity Ward later said it trimmed it slightly again. The target range to trigger aim assist between controller and mouse players is roughly estimated to be between 5-15 metres. The studio hasn't published exact values.

Tactical Sprint and Movement at Global Launch

Removing Tactical Sprint from base movement started as a beta experiment. It stuck. You still need Blood Rush to Tac Sprint, and that perk now sits in Perk 2.

Infinity Ward made the trade-off easier to live with. Tac Sprint no longer adds an extra sprint-out penalty. A single tap of sprint now triggers it by default, as long as stamina lasts. Prefer the old double tap? Switch it in the advanced movement settings.

The catch is Ninja, which shares Perk 2 with Blood Rush. You have to pick speed or quiet footsteps. Infinity Ward has said the Specialist perk returns after launch, letting you stack both.

The enemy movement looks more honest now too. The studio fixed bugs where other players' animations didn't match their real actions. Some of those bugs made snaking around corners easier. Spawn tuning also continued after the beta, with a focus on keeping you near the fight.

Perks, Killstreaks and Equipment

The perk table got a full reshuffle to balance speed, durability, utility, and stealth. Here's the launch layout:

Perk 1	Perk 2	Perk 3
Quick Fix	Hardline	Lethal Reach
Overkill	Blood Rush	Combat Grid
High Alert	Bomb Squad	Battle Hardened
Ghost	Fast Hands	Scavenger
Resupply	Ninja	Tracker
Kill Chain	Birdseye	Cold-Blooded

Compared with the beta, Ninja moved from Perk 1 to Perk 2. Blood Rush came over from Perk 3, and Tracker shifted to Perk 3. Resupply, Kill Chain, and Birdseye are new picks. Battle Hardened now blocks more of the Flash, Concussion, and Screamer Mine effects. Flash and Concussion grenades also lost a little range and duration.

Killstreaks went from 10 in the beta to 17 at launch, and you can still set them per loadout. The extra kill cost from Weekend 2 stays, so a UAV needs five kills, or four with Hardline. Its health rose from 100 to 150, since players found it too easy to shoot down. The Wheelson also got sharper targeting. Equipment grew to 9 Tacticals, 11 Lethals, and 12 Field Upgrades.

Progression Changes and the Missing Apex Attachments

Plenty of players noticed some beta Apex Attachments missing at launch. Infinity Ward says those were early seasonal event items, added to the beta for testing. They'll come back as rewards from in-game events.

Those events replace Weekly Challenges in Season 1. They also recur, so you get a second shot at a reward track you miss.

Progression runs much deeper in the global launch version than the beta's Level 30 cap. Some of the noticeable areas are as follows:

• Player levels go to 55 and beyond, with two Prestige paths for the first time in Call of Duty.
• Weapon Prestige returns for anyone who wants a longer grind on a favorite gun.
• Shared attachments still unlock once for every compatible gun, and progress screens now show skipped levels more clearly.
• Double XP tokens now tick down only during matches, and they also work in DMZ.
• Gunsmith adds optic rail placement and custom reticles.

Maps and Modes Added After the Beta

The beta's six core maps return, joined by Coal, Mumbai, Munition, Nautical, Reactor U92, and Sentry. Shipment, the classic tiny map, arrives on October 27.

• Ground War adds Forest and grows from 24v24 to 32v32 format.
• Gunfight now runs on four 2v2 maps: Cafe, Library, NYC, and Smuggler.
• Kill Block supports 3v3 and 10v10 Gunfight at launch. Oddly, 6v6 support comes later, even though the beta tested 6v6 Gunfight there.

The headline new mode is Collateral. It blends Search and Destroy with a buy phase. Everyone starts with a pistol, then earns cash between rounds to build a better loadout. Free-for-All, Frontline, Gun Game, and Hardcore variants also join the beta's modes. Infected and the new Possession mode land around Halloween. The Mobility Course grew into Proving Grounds, which adds combat drills to the movement training.

MW4 Beta Rewards: What Carried Over?

Your cosmetic beta rewards carried over. Your rank, weapon levels, and unlocks did not, since those reset when the beta ended. Every earned reward stays linked to your Activision account and appears in the full game.

Beta Level	Reward
4	Through the Paces Legendary Emblem
8	First Served Weapon Charm
12	Meonjeo Legendary Weapon Sticker
16	Last Charge Legendary Calling Card
20	Dread Tiger Operator Skin for Reece
23	Field Tested Epic Spray
26	Beta Rights Epic Loading Screen
30	Beta Forged Epic Weapon Blueprint

Twitch Drops and the Clockwork Charm from the Mobility Course count too. Missing something? Sign in with the same Activision account you used during the beta. Nobody can earn these rewards anymore.

Get Call of Duty Modern Warfare 4 on PS5, Steam, or Xbox At the Best Price on StanShop

The Modern Warfare 4 open beta cost nothing. The full game does, on every platform.

On PS5, a PSN gift card covers the game, COD Points, and PlayStation Plus for online play. Stock moves fast, so check availability before you plan around it.

On Steam, a Steam Wallet gift card covers the game or COD Points. It usually sells around 4% below face value, and every order earns StanShop coins. Our guide on where to buy a Steam gift card explains the rest. Gifting MW4 to a beta squadmate? Here's how to gift a game on Steam.

On Xbox Series X|S, online multiplayer needs Game Pass Essential. An Xbox Game Pass gift card covers that membership, but not the game itself.

Our Modern Warfare 4 release date and pre-order guide breaks down every edition. For other top-ups, browse the gaming gift cards on StanShop, with instant delivery and 24/7 live chat.

Frequently Asked Questions

1. Is the Modern Warfare 4 open beta still live?

No. The beta ended on September 1, and you can't download it anymore. To play now, you need the full game.

2. Is COD MW4 free to play?

No. Modern Warfare 4 is a paid game on every platform. Warzone stays free, and its MW4 version arrives with Season 1 on November 6.

3. Does MW4 beta progress carry over?

Only the cosmetic rewards you unlocked. Your level, weapon progress and unlocks reset when the beta closed.

4. Is Tactical Sprint in Modern Warfare 4 at launch?

Yes, but only through the Blood Rush perk in Perk 2. A single tap of sprint triggers it by default.

5. Why are Apex Attachments missing in MW4?

Infinity Ward says the beta's Apex Attachments were early seasonal event items. They will return through in-game events.

6. Is Modern Warfare 4 on Game Pass?

Not at launch. Xbox lists Game Pass availability from Holiday 2027, so you need to buy it to play now.