Best Sci-Fi War Game

168+ iOS apps & games curated and reviewed

4.4 avg rating
18 free apps & games
Updated June 2026

With an average user rating of 4.4★, the sci-fi war game category is one of the App Store's strongest. Browse all 168+ apps and games we track, sorted so the most loved ones surface first.

Compare top Sci-Fi War Game (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Rivals at War: 2084Rivals at War: 2084Free4.0★ (284)YesYesMay 2026
2Nexus WarNexus WarFree4.6★ (3.3K)NoYesJul 2026
3Nova Empire: Space Wars MMONova Empire: Space Wars MMOFree4.3★ (5K)YesYesJul 2026
4Block Fortress: WarBlock Fortress: War$1.994.7★ (364)NoYesJul 2026
5Stellaris: Galaxy CommandStellaris: Galaxy CommandFree4.0★ (1.6K)YesYesJul 2026
6Galaxy Reavers 2Galaxy Reavers 2Free4.6★ (2K)NoYesJul 2026
7UniWar: Multiplayer StrategyUniWar: Multiplayer StrategyFree4.6★ (1.1K)YesYesJul 2026
8Warhammer 40,000: FreebladeWarhammer 40,000: FreebladeFree4.8★ (48K)YesYesJul 2026

Top Picks for Sci-Fi War Game

Rivals at War: 2084#1

Rivals at War: 2084 by Hothead Games

Epic TPS Shooting Game
Editor's Choice
🎮 Games
4.0(284 ratings)
FreeAdsIn-App Purchases
Rivals at War: 2084 screenshot 1
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Rivals at War: 2084 screenshot 5

Engage in epic sci-fi battles in 2084, training and equipping space marines to conquer planets. Lead your forces across a star map, challenge friends, and strategize with tactic cards to dominate the galaxy.

Nexus War#2

Nexus War by Phantix Games

Customize Formidable Mecha
Strong Contender
🎮 Games
4.6😐(3.3K ratings)
FreeIn-App Purchases
Nexus War screenshot 1
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Nexus War screenshot 5
Nexus War screenshot 6

Lead a desperate fight for survival on Origin Star against invading forces. Recruit heroes, build a customizable city, and engage in strategic battles to reclaim your home planet. Forge alliances and conquer to become the ruler.

What We Love

  • 🚀 Engaging gameplay
  • 👍 Welcoming community
  • 🔍 Interesting world-building
  • 🎨 Great graphics

Room to Improve

  • 🐛 Bugs and glitches
  • 💰 Pay-to-win mechanics
  • 🔍 Overwhelming UI
Nova Empire: Space Wars MMO#3

Nova Empire: Space Wars MMO by Game Bear Tech Co., Ltd.

Become a Starship Commander
Worth Considering
🎮 Games
4.3😐(5K ratings)
FreeAdsIn-App Purchases
Nova Empire: Space Wars MMO screenshot 1
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Engage in epic galactic warfare with players worldwide in this next-generation online space strategy game. Build and customize your space station, design powerful fleets, and form alliances to conquer sectors of space. Experience real-time battles and strategic gameplay with stunning HD graphics.

What We Love

  • 🚀 Excellent graphics and gameplay
  • 🔒 Secure and stable connection
  • 👍 Engaging alliance and community features
  • 🚀 Smooth progression for free-to-play players

Room to Improve

  • 🐛 Frequent crashes and connection issues
  • ⏱️ Extremely long build/upgrade times
  • 💰 Aggressive monetization and pay-to-win mechanics

More Sci-Fi War Game apps to explore

4
Block Fortress: War
Block Fortress: War
Block Fortress: War
A sci-fi block-building RTS
$1.99

Engage in strategic real-time combat within a blocky sci-fi universe. Build defenses, command diverse alien armies, and lead heroes through a vast campaign or multiplayer battles.

Block-building RTS gameplayFive unique alien racesDozens of customizable heroes
🎮 Games
(364)
free with in-app purchases
5
Stellaris: Galaxy Command
Stellaris: Galaxy Command
Stellaris: Galaxy Command
Sci-Fi, space strategy game
Free

Lead the rebuilding of galactic civilization after an inter-dimensional invasion. Build your space station, explore star systems, form alliances, and wage war in a real-time universe with thousands of players. Experience an epic sci-fi story with strategic gameplay.

Space station construction and customizationForm and join alliancesIntergalactic trade systems
🎮 Games
(1.6K)
free with in-app purchases
6
Galaxy Reavers 2
Galaxy Reavers 2
Galaxy Reavers 2
3D sci-fi Star Wars RTS game
Free

Engage in intense 3D sci-fi real-time strategy battles in space. Command your fleet, customize spaceships with advanced weaponry, and unlock commanders to conquer galaxies. Explore planets and master strategic combat to achieve victory.

Sci-fi RTS strategic battles3D camera controlSpaceship customization
🎮 Games
(2K)
free with in-app purchases
7
UniWar: Multiplayer Strategy
UniWar: Multiplayer Strategy
UniWar: Multiplayer Strategy
Turn-Based Strategy game
Free

Engage in turn-based tactical combat with diverse units and races. Challenge AI or players worldwide across thousands of maps, playing asynchronously with notifications. Offers both offline campaigns and robust multiplayer options.

3 unique races with 10 unit types eachOver 10,000 user-created mapsMultiplayer matches (1v1 to 4v4)
🎮 Games
(1.1K)
free with in-app purchases
8
Warhammer 40,000: Freeblade
Warhammer 40,000: Freeblade
Warhammer 40,000: Freeblade
Epic 40k War Mech Battles
Free

Command an Imperial Knight in intense battles across the Warhammer 40,000 universe. Engage in over 170 missions, customize your war machine, and battle foes in explosive action and epic melee combat. Compete in daily events and multiplayer duels.

Over 170 single-player missionsTap-to-shoot action with cannons and missilesEpic melee combat with Chainsword
🎮 Games
(48K)
free with in-app purchases
9
Star Trek Fleet Command
Star Trek Fleet Command
Star Trek Fleet Command
MMO Strategy SciFi Warfare
Free

Command a star base and build a powerful fleet in an open-world intergalactic strategy game. Recruit iconic officers, explore new worlds, and engage in epic battles to conquer the universe. Join alliances and uncover ancient secrets in a galaxy on the brink of war.

Galactic conflict with iconic ships and charactersDeep strategic RPG gameplayCollect, build, and upgrade ships
🎮 Games
(67K)
free with in-app purchases
10
Sci-Fi Space Defense : Alien war game
Sci-Fi Space Defense : Alien war game
Sci-Fi Space Defense : Alien war game
by Amr Samir
Free

Engage in a futuristic tower defense experience with over 30 levels of intense alien warfare. Build and upgrade defensive towers, utilize power-ups, and strategize to protect your base from relentless waves of enemy spaceships. Compete with others through leaderboards and achievements.

30 challenging levelsTower building and upgradesPower-up usage
🎮 Games
(21)
free with in-app purchases
11
Warframe
Warframe
Warframe
by Digital Extremes
Free

Become a powerful warrior in this free-to-play online action game. Battle alongside friends across a sprawling interplanetary system, customizing your bio-metal suit and arsenal to annihilate enemies and explore vast open worlds. Experience an epic story and master destructive weaponry.

Become a powerful warrior in a bio-metal suitBattle alongside friends in co-op missionsExplore massive open worlds and engage in ship battles
🎮 Games
(25K)
free with in-app purchases
12
Pixel Starships™
Pixel Starships™
Pixel Starships™
Online 8Bit Star Ship Trek
Free

Command every aspect of your starship in a persistent online universe. Build, battle, explore, and manage resources in this 8-bit spaceship management game. Form alliances and conquer with friends.

Build custom starshipsCommand multiple races and factionsOnline player battles
🎮 Games
(35K)
free with in-app purchases
13
ASTROKINGS: Galactic Survival
ASTROKINGS: Galactic Survival
ASTROKINGS: Galactic Survival
Command fleets, battleship war
Free

Command powerful fleets in epic space battles, manage resources, and build planetary facilities. Customize your starships and lead your alliance to conquer the galaxy in this sci-fi real-time strategy multiplayer saga.

Build and upgrade planetary facilitiesRecruit galactic heroesMine and trade space resources
🎮 Games
(1.9K)
free with in-app purchases
14
Project Entropy
Project Entropy
Project Entropy
Strategy & Sci-fi MMO
Free

Command a vast fleet in a sci-fi universe, exploring uncharted planets, recruiting alien lifeforms, and engaging in real-time multiplayer combat. Forge alliances, customize your forces with advanced weaponry, and rise to rule the stars.

Assemble diverse crews and fleetsCustomize heroes and vehiclesEngage in deep, dynamic combat
🎮 Games
(1.3K)
free with in-app purchases
15
RISK: Global Domination
RISK: Global Domination
RISK: Global Domination
Official RISK game for mobile
Free

Engage in strategic global warfare in the official digital adaptation of a beloved board game. Build armies, forge alliances, and command troops across diverse maps and game modes, from historical battles to fantasy realms. Compete against millions worldwide and climb the ranks to become a Grandmaster.

Real-time battlesClassic and custom rulesSolo and multiplayer modes
🎮 Games
(186K)
free with in-app purchases
16
Iron Marines Invasion RTS Game
Iron Marines Invasion RTS Game
Iron Marines Invasion RTS Game
Sci-Fi Space Army Battle Games
$2.99

Lead your space army across a vast galaxy in this real-time strategy game. Conquer new worlds, battle alien creatures, and upgrade your heroes and units to defend the galaxy. Offers deep strategic gameplay with diverse missions and challenges.

Galactic exploration and conquestDiverse campaign missions and special operationsTrain and upgrade heroes with unique skills
🎮 Games
(243)
free with in-app purchases
17
Galaxy Attack: Alien Shooter
Galaxy Attack: Alien Shooter
Galaxy Attack: Alien Shooter
Classic Space War Invasion
Free

Pilot a lone spaceship to defend Earth from relentless alien swarms in this classic space shooter. Upgrade your weapons and skills to overcome increasingly difficult challenges across numerous levels and intense boss battles.

Multiplayer modeHigh quality graphicsActive skills
🎮 Games
(650K)
free with in-app purchases
18
Ark of War: Aim for the cosmos
Ark of War: Aim for the cosmos
Ark of War: Aim for the cosmos
Win by your strategy!
Free

Command a space ark, build a formidable fleet with human and alien commanders, and engage in large-scale, real-time wars with players worldwide. Conquer territories, govern planets, and trade resources in this galactic strategy game.

Construct and operate space arksBuild and upgrade formidable fleetsCollect and evolve commanders
🎮 Games
(8K)
free with in-app purchases
19
Star Legends MMORPG
Star Legends MMORPG
Star Legends MMORPG
Innovative Sci-Fi MMORPG
Free

Embark on an epic sci-fi adventure across the galaxy. Battle aliens, pirates, and robots, customize your character with unique classes and gear, and team up with friends for cooperative quests or competitive player-vs-player combat.

Three unique character classesThousands of customizable itemsOver fifty levels of co-op adventuring
🎮 Games
(175)
free with in-app purchases
20
Galaxy At War Online
Galaxy At War Online
Galaxy At War Online
Strategy Battle Games
Free

Engage in epic sci-fi battles to conquer the galaxy. Discover new planets, build military bases, and command powerful fleets. Form alliances and wage wars to expand your territory and achieve universal domination.

Conquer the galaxyColonize new planetsBuild military bases
🎮 Games
(264)
free with in-app purchases

FAQ about Sci-Fi War Game

What is the best sci-fi war game for iPhone?
Rivals at War: 2084 tops our sci-fi war game ranking as of June 2026, with a 4.0-star average from 284 App Store ratings, and it's free to download.
Yes — 18 of the top sci-fi war game we rank are free to download, including Rivals at War: 2084 and Nexus War.
Rivals at War: 2084 shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 168+ sci-fi war game on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Rivals at War: 2084 is a sci-fi strategy shooter game set in the year 2084. Players train and equip elite space marines, attack rival teams, and conquer planets to dominate the galaxy. It features a story mode, multiplayer challenges, and strategic gameplay elements.
Key features include training and equipping space marines, attacking rival teams, conquering planets on a star map with 75 locations, challenging friends in head-to-head combat, using tactic cards for strategic advantage, and progressing through over 45 player achievements.