Best Multiplayer Open World Apps & Games

225+ iOS apps & games curated and reviewed

4.5 avg rating
20 free apps & games
Updated May 2026

If you already know Tomorrow, this is the deeper bench. 225+ multiplayer open world apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Compare top Multiplayer Open World Apps & Games (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tomorrow: MMO Nuclear QuestTomorrow: MMO Nuclear QuestFree4.7★ (3.1K)YesYesJul 2026
2OneState RP: Role Play OnlineOneState RP: Role Play OnlineFree4.2★ (21K)YesYesJul 2026
3UndawnUndawnFree4.5★ (19K)NoYesJul 2026
4The Wolf: Animal Game MMORPGThe Wolf: Animal Game MMORPGFree4.7★ (94K)YesYesJul 2026
5Flex City RP: Online Car GameFlex City RP: Online Car GameFree4.7★ (19K)YesYesJul 2026
6Raft® Survival: MultiplayerRaft® Survival: MultiplayerFree4.5★ (33K)YesYesJul 2026
7Gangster Vegas Crime City WarGangster Vegas Crime City WarFree2.9★ (98)YesNoJul 2026
8Dude Theft Wars FPS Open WorldDude Theft Wars FPS Open WorldFree4.3★ (4K)YesYesJul 2026

Top Picks for Multiplayer Open World

Tomorrow: MMO Nuclear Quest#1

Tomorrow: MMO Nuclear Quest by RAGE QUIT GAMES GROUP SP Z O O SPOŁKA KOMANDYTOWA

Open world action survival RPG
Editor's Choice
🎮 Games
4.7😐(3.1K ratings)
FreeAdsIn-App Purchases
Tomorrow: MMO Nuclear Quest screenshot 1
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Tomorrow: MMO Nuclear Quest screenshot 3
Tomorrow: MMO Nuclear Quest screenshot 4
Tomorrow: MMO Nuclear Quest screenshot 5
Tomorrow: MMO Nuclear Quest screenshot 6

Embark on an open-world action survival RPG in a post-apocalyptic wasteland. Complete quests, craft essential items, build a base, and engage in intense PvP battles against zombies and hostile factions. Explore, scavenge, and adapt to survive in this harsh, nuclear-affected world.

What We Love

  • 👍 Fun gameplay
  • 🚀 Engaging storyline
  • 💡 Potential for improvement
  • 👍 Enjoyable for new players

Room to Improve

  • 🐛 Frequent crashes and lag
  • 💰 Expensive in-app purchases
  • ⏱️ Slow resource production
OneState RP: Role Play Online#2

OneState RP: Role Play Online by CHILLBASE LTD

Open World Multiplayer Game
Strong Contender
🎮 Games
4.2😐(21K ratings)
FreeAdsIn-App Purchases
#5in Games
OneState RP: Role Play Online screenshot 1
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OneState RP: Role Play Online screenshot 5

Immerse yourself in a dynamic open-world city simulator where you define your own story. Engage in diverse careers, build businesses, customize vehicles, and interact with a vibrant community. Your choices shape your destiny in this realistic role-playing experience.

What We Love

  • 🚀 Smooth gameplay
  • 🌟 Great community
  • 👍 Immersive role-playing experience

Room to Improve

  • 💰 Expensive in-game purchases
  • 🔒 Admin abuse and corruption
  • 🐛 Frequent crashes and bugs
Undawn#3

Undawn by PROXIMA BETA PTE.LIMITED

open-world survival game
Worth Considering
🎮 Games
4.5😊(19K ratings)
FreeIn-App Purchases
Undawn screenshot 1
Undawn screenshot 2
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Undawn screenshot 5

Embark on an open-world survival adventure four years after a global disaster. Explore a shattered world, battle infected hordes and other survivors, and rebuild civilization. Manage survival indicators, craft tools, build bases, and form alliances to stay alive.

What We Love

  • 🚀 Great graphics
  • 🔒 Immersive open world
  • 👍 Engaging gameplay
  • 👍 Customizable characters

Room to Improve

  • 🐛 Frequent crashes
  • 🔋 Long loading times
  • 💰 Microtransactions

More Multiplayer Open World apps to explore

4
The Wolf: Animal Game MMORPG
The Wolf: Animal Game MMORPG
The Wolf: Animal Game MMORPG
Hunt, Craft & Survive Wilds!
Free

Live the life of a wild wolf in this immersive mobile RPG. Explore vast environments, develop your character's skills, and compete with other players in cooperative or player-versus-player modes. Customize your wolf and become the Alpha of your pack.

Online real-time multiplayerStunning 3D graphicsCharacter development and upgrades
🎮 Games
(94K)
free with in-app purchases
5
Flex City RP: Online Car Game
Flex City RP: Online Car Game
Flex City RP: Online Car Game
Multiplayer game & car driving
Free

Engage in a sprawling open-world sandbox driving and racing game. Form gangs, customize characters, and navigate a complex economic system with realistic driving and combat mechanics. Participate in missions and community events in a vibrant gangster city.

Multiplayer sandbox driving and racingGang wars and strategic alliancesRealistic driving simulator
🎮 Games
(19K)
free with in-app purchases
6
Raft® Survival: Multiplayer
Raft® Survival: Multiplayer
Raft® Survival: Multiplayer
Survive with friends online
Free

Build and expand your dream raft with friends in this multiplayer survival game. Gather resources, craft tools and weapons, and manage hunger and thirst to stay alive. Team up with up to 10 players to explore the ocean and help each other survive.

Multiplayer raft buildingCrafting and resource gatheringSurvival mechanics (hunger, thirst, health)
🎮 Games
(33K)
free with in-app purchases
7
Gangster Vegas Crime City War
Gangster Vegas Crime City War
Gangster Vegas Crime City War
Real Gangster Miami City Crime
Free

Engage in intense criminal activities and combat rival gangs in a sprawling crime city. Drive various vehicles and prove your dominance as the ultimate gangster in this action-packed simulation.

Combat rival gangsDrive various vehiclesCriminal activities
🎮 Games
(98)
free with in-app purchases
8
Dude Theft Wars FPS Open World
Dude Theft Wars FPS Open World
Dude Theft Wars FPS Open World
Offline & Online Multiplayer
Free

Engage in a physics-based open-world sandbox simulator with both offline story missions and online multiplayer modes. Experience action-packed gameplay, drive vehicles, fly planes, and enjoy ragdoll physics in this fun and chaotic environment.

Open world sandbox simulatorOffline story modeOnline multiplayer modes (Free For All, Team Deathmatch)
🎮 Games
(4K)
free with in-app purchases
9
Left to Survive: Zombie Games
Left to Survive: Zombie Games
Left to Survive: Zombie Games
Apocalypse multiplayer shooter
Free

Engage in intense zombie combat, build and defend your base, and battle other players in this action-shooter game. Save survivors, loot resources, and face challenging zombie bosses.

Kill hordes of zombiesDestroy enemy bases from a helicopterIntense PvP matches
🎮 Games
(57K)
free with in-app purchases
10
Frostborn: Co-op Survival
Frostborn: Co-op Survival
Frostborn: Co-op Survival
by Kefir
Free

Embark on a Viking adventure in a world cursed by darkness. Build your base, fight the undead, and conquer new lands with friends. Choose from various classes and engage in PvP combat to reclaim glory.

Co-op survival gameplayBase building and managementDiverse character classes
🎮 Games
(5K)
free with in-app purchases
11
City of Crime: Gang Wars
City of Crime: Gang Wars
City of Crime: Gang Wars
An gangster strategy game!
Free

Live a life of crime and build a criminal empire in a city with no laws. Engage in real-time battles, manage your syndicate, and use your wits to become a billionaire. Hire criminals, run businesses, and conquer the city to become a legend.

Build a criminal empireReal-time gang battlesManage your syndicate
🎮 Games
(18K)
free with in-app purchases
12
Evil Lands: Epic MMORPG game
Evil Lands: Epic MMORPG game
Evil Lands: Epic MMORPG game
Open world online multiplayer
Free

Embark on an epic fantasy adventure in a magical open world. Choose your hero, battle monsters, and complete quests solo or with friends. Master skills and engage in cooperative or player-versus-player combat.

Online real-time multiplayer RPGStunning 3D graphicsCharacter classes, upgrades, skills, and items
🎮 Games
(19K)
free with in-app purchases
13
Once Human
Once Human
Once Human
INTO THE UNKNOWN
Free

Embark on a multiplayer survival adventure in a post-apocalyptic world overrun by an alien substance. Team up with friends to battle monstrous creatures, build a sanctuary, and uncover the truth behind the world's collapse. Harness supernatural powers to fight, rebuild, or dominate.

Multiplayer open-world survivalPost-apocalyptic settingBase building and customization
🎮 Games
(15K)
free with in-app purchases
14
dropcult
dropcult
dropcult
New Wave of Fighting Games
Free

Engage in fast-paced combat with fully customizable avatars in destructible environments. Unlock new gear, arenas, and compete in community-driven multiplayer events. Players influence the game's evolution through direct collaboration.

Fast Realtime CombatFully Customizable AvatarsDestructible Environments
🎮 Games
(23K)
free with in-app purchases
15
Parking Master Multiplayer 2
Parking Master Multiplayer 2
Parking Master Multiplayer 2
Online car driving simulator
Free

Experience an open-world driving simulator with realistic car parking and multiplayer challenges. Explore diverse locations, customize vehicles, and compete in various events. Master parking skills across hundreds of levels.

Open-world explorationMultiplayer car parkingOver 120 customizable vehicles
🎮 Games
(44K)
free with in-app purchases
16
Path of Titans
Path of Titans
Path of Titans
Multiplayer Dinosaur Survival
Free

Embark on a multiplayer dinosaur survival adventure in a vast open world. Grow from a hatchling to an adult, customize your dinosaur, and battle other players. Explore, complete quests, and even download community creations for endless content.

Grow dozens of dinosaur speciesMultiplayer open world with cross-playDinosaur customization and combat abilities
🎮 Games
(11K)
free with in-app purchases
17
Backrooms Union Multiplayer
Backrooms Union Multiplayer
Backrooms Union Multiplayer
Face the Backrooms Horror Coop
Free

Explore the eerie, maze-like dimensions of the Backrooms with friends or solo. Scavenge for resources, survive lurking horrors, and uncover the mysterious purpose of the Union. Each level offers new challenges, traps, and unpredictable encounters.

Multiplayer co-op explorationScavenge for critical scrapsSurvive lurking horrors and monsters
🎮 Games
(2.9K)
free with in-app purchases
18
Moonlight Blade
Moonlight Blade
Moonlight Blade
Open world MMORPG-Martial arts
Free

Immerse yourself in a vast open-world martial arts MMORPG with stunning AAA graphics and deep character customization. Explore a world of ancient China, join guilds, and engage in thrilling PvP battles.

Open world MMORPGMartial arts combatAAA graphics
🎮 Games
(2K)
free with in-app purchases
19
Survival & Craft: Multiplayer
Survival & Craft: Multiplayer
Survival & Craft: Multiplayer
Multiplayer games with friends
Free

Survive a plane crash at sea by building and expanding your raft. Gather resources, craft essential items, and manage your health to stay alive against hunger, thirst, and a persistent shark.

Build and expand your raftManage health, hunger, and thirstCraft tools and items
🎮 Games
(29K)
free with in-app purchases
20
Shadowgun Legends: Online FPS
Shadowgun Legends: Online FPS
Shadowgun Legends: Online FPS
Multiplayer RPG Shooting Games
Free

Engage in an epic sci-fi shooter RPG with a deep story campaign, cooperative missions, and competitive PvP battles. Customize your warrior with vast weapon and armor options, and interact with other players in a persistent social hub.

Epic story campaign with 200+ missionsCo-op missions and raids against bossesReal-time PvP team battles
🎮 Games
(105K)
free with in-app purchases

FAQ about Multiplayer Open World

What are the best multiplayer open world apps & games for iPhone?
Tomorrow: MMO Nuclear Quest tops our multiplayer open world apps & games ranking as of May 2026, with a 4.7-star average from 3.1K App Store ratings, and it's free to download.
Yes — 20 of the top multiplayer open world apps & games we rank are free to download, including Tomorrow: MMO Nuclear Quest and OneState RP: Role Play Online.
Tomorrow: MMO Nuclear Quest shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 225+ multiplayer open world apps & games on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Tomorrow: MMO Nuclear Quest is an open-world action survival RPG set in a post-apocalyptic wasteland. Players engage in quests, crafting, base building, and combat against zombies, monsters, and other players.
Key features include exploring a vast open world, completing various quests, crafting essential items and weapons, building and defending a base, and participating in intense PvP battles. There are also character customization options and COOP adventures.