Best Sea Games Defense

247+ iOS apps & games curated and reviewed

4.3 avg rating
20 free apps & games
Updated August 2026

From beginner-friendly picks to power-user tools, our sea games defense list covers 247+ iPhone apps and games updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Sea Games Defense (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Lord of SeasLord of SeasFree4.7★ (5.3K)NoYesAug 2026
2City Tower Defense 3City Tower Defense 3Free4.0★ (26)NoYesMay 2026
3Carrot Defense  - Ice World AdventureCarrot Defense - Ice World AdventureFree4.4★ (226)NoYesAug 2026
4Naval Rush Sea DefenseNaval Rush Sea DefenseFree3.7★ (3)YesYesAug 2026
5Iron Sea Frontier Defenders TDIron Sea Frontier Defenders TDFree4.6★ (9)NoYesAug 2026
6Hex Defense!Hex Defense!Free4.5★ (4.4K)YesYesAug 2026
7Tower Defense of Fields: Greece Tower Defense of Homeworld Runners Sentinel GameTower Defense of Fields: Greece Tower Defense of Homeworld Runners Sentinel GameFree4.2★ (86)NoNoAug 2026
8Pacific Defense-Warfighter Commander:World War II Homeworld Defend Battle Red Alert Tower DefensePacific Defense-Warfighter Commander:World War II Homeworld Defend Battle Red Alert Tower DefenseFree4.2★ (13)NoNoMay 2026

Top Picks for Sea Games Defense

Lord of Seas#1

Lord of Seas by SPARKLER GAMES HONG KONG LIMITED

Survival.War.Conquer the Seas
Editor's Choice
🎮 Games
4.7😐(5.3K ratings)
FreeIn-App Purchases
Lord of Seas screenshot 1
Lord of Seas screenshot 2
Lord of Seas screenshot 3
Lord of Seas screenshot 4
Lord of Seas screenshot 5
Lord of Seas screenshot 6

Engage in a thrilling strategy game of survival, warfare, and conquest on the high seas. Plunder, form alliances, and battle in real-time territory wars. Collect powerful ships and interact with companions to achieve legendary pirate status.

What We Love

  • 👍 Good game
  • 🚀 Enjoyable gameplay
  • 🚀 Beginner-friendly
  • 🚀 Fun and creative

Room to Improve

  • 🐛 Crashes and lags
  • 🔋 Overheating and battery drain issues
  • 💰 Pay-to-win elements
City Tower Defense 3#2

City Tower Defense 3 by Truong Le Xuan

City Tower Defense 3
Strong Contender
🎮 Games
4.0(26 ratings)
FreeIn-App Purchases
City Tower Defense 3 screenshot 1
City Tower Defense 3 screenshot 2
City Tower Defense 3 screenshot 3
City Tower Defense 3 screenshot 4
City Tower Defense 3 screenshot 5

Defend a coastal city by strategically building a defensive system and deploying various weapons. Prevent enemies from advancing from sea, air, and land using a flexible combination of artillery and specialized machines.

4.4😊(226 ratings)
Free
Carrot Defense  - Ice World Adventure screenshot 1
Carrot Defense  - Ice World Adventure screenshot 2
Carrot Defense  - Ice World Adventure screenshot 3
Carrot Defense  - Ice World Adventure screenshot 4
Carrot Defense  - Ice World Adventure screenshot 5

Defend a character from waves of monsters by strategically summoning various towers with unique abilities. Explore numerous levels across different themes, complete quests, and unleash powerful magic to achieve victory. Engage in new game modes and connect with friends to compete and share progress.

What We Love

  • 🎮 Addictive gameplay
  • 👍 Cute and engaging visuals
  • 🕹️ Challenging tower defense mechanics
  • 💯 Great value for a free game

Room to Improve

  • 🐛 Bugs and glitches
  • 🛠️ Lack of updates and new content
  • 💰 In-app purchases not working properly

More Sea Games Defense apps to explore

4
Naval Rush Sea Defense
Naval Rush Sea Defense
Naval Rush Sea Defense
by GD Company
Free

Engage in strategic naval warfare with a variety of modern defenses and hero warships. Defend unique locations from enemy invaders in this 3D tower defense game. Compete with others or play solo without an internet connection.

Modern snipers, gunners, and rocket towersOver 20 unique combat locationsAwesome 3D graphics
🎮 Games
(3)
free with in-app purchases
5
Iron Sea Frontier Defenders TD
Iron Sea Frontier Defenders TD
Iron Sea Frontier Defenders TD
by 8Floor
Free

Engage in intense naval battles defending your fort from enemy fleets. Utilize tactical skill, build cannons, and deploy secret weaponry across diverse historical ocean settings. Overcome varied enemies and creatures with powerful defenses.

Naval battle defenseTactical gameplayHistorical ocean settings
🎮 Games
(9)
free with in-app purchases
6
Hex Defense!
Hex Defense!
Hex Defense!
Tower Defense Merge!
Free

Strategically place and merge weapons to defend a vibrant cube world. Demolish waves of incoming enemies by upgrading your arsenal with powerful skills. Protect the world from the encroaching evil hexes.

Defeat enemy wavesMerge weaponsDemolish enemy stacks
🎮 Games
(4.4K)
free with in-app purchases
7
Tower Defense of Fields: Greece Tower Defense of Homeworld Runners Sentinel Game
Tower Defense of Fields: Greece Tower Defense of Homeworld Runners Sentinel Game
Tower Defense of Fields: Greece Tower Defense of Homeworld Runners Sentinel Game
by 后瑞 孙
Free

Engage in strategic defense battles combining ancient Greece with steampunk robots. Build powerful tools, plan your strategy, and upgrade your defenses across numerous levels and islands. Face diverse enemy types and utilize special abilities to protect your territory.

Ancient Greece and steampunk settingOver 60 levels across 4 islands14 enemy types
🎮 Games
(86)
free
8
Pacific Defense-Warfighter Commander:World War II Homeworld Defend Battle Red Alert Tower Defense
Pacific Defense-Warfighter Commander:World War II Homeworld Defend Battle Red Alert Tower Defense
Pacific Defense-Warfighter Commander:World War II Homeworld Defend Battle Red Alert Tower Defense
by 爱兰 吴
Free

Engage in strategic tower defense gameplay set in World War II. Build defensive paths, deploy various weapons and soldiers, and call in airstrikes to repel enemy waves across unique battlefields. Enjoy hours of addictive fun with numerous levels and upgrades.

Strategic tower defense gameplayWorld War II setting24 challenging levels
🎮 Games
(13)
free
9
Modern Islands Defense
Modern Islands Defense
Modern Islands Defense
by Cantalooza Games LLC
Free

Engage in modern tower defense battles across diverse tropical islands, mountains, and deserts. Command a team of snipers, gunners, rockets, and ice towers to repel waves of diverse enemies, from infantry to aviation. Strategize and upgrade your units to protect your islands and achieve victory.

Modern tower defense battlesTropical islands, mountains, and deserts environmentsSnipers, gunners, rockets, and ice towers
🎮 Games
(2.2K)
free with in-app purchases
10
Castle Defense Online - 4p
Castle Defense Online - 4p
Castle Defense Online - 4p
Castle Defense Online
Free

Engage in real-time cooperative defense against waves of enemies. Strategically build towers, collect unique characters and items, and team up with friends to overcome challenging bosses and protect your castle.

Real-time 4-player cooperative playEasy 2D horizontal scroll controlsCollect unique characters and skills
🎮 Games
(100)
free with in-app purchases
11
Legend Defense - World Combat
Legend Defense - World Combat
Legend Defense - World Combat
The best defense game in 2018
Free

Engage in thrilling tower defense battles against invading forces. Deploy modern weaponry like snipers, rockets, and ice towers to strategize and defend diverse landscapes. Command your army through numerous levels and upgrade your units for an epic combat experience.

Modern snipers, gunners, rockets, ice towersDefend islands, mountains, and desertsUpgrade units in the laboratory
🎮 Games
(4)
free with in-app purchases
12
Crush Depth
Crush Depth
Crush Depth
by Satish Mahalingam
Free

Defend your underwater base from incoming enemy submarines in this strategic game. Build and manage your defenses to survive waves of attacks.

Build defensesProtect your baseDefend against submarines
🎮 Games
(4)
free
13
Defense:Defend Tower Fortress
Defense:Defend Tower Fortress
Defense:Defend Tower Fortress
Protect Grow Castle Survival
Free

Build and upgrade your fortress to defend against waves of monsters and boss attacks. Collect idle rewards and improve your defenses for longer runs. Designed for quick, one-handed play sessions.

Build a compact defenseUpgrade tower power and resourcesFace monster waves and boss attacks
🎮 Games
(4)
ad-supported
14
Castle Island Defense
Castle Island Defense
Castle Island Defense
by Duc Thuan Dinh
Free

Defend your island from enemy attacks by strategically deploying and upgrading a variety of powerful weapons. Make wise decisions in battle to protect your city and lead your troops to victory.

Strategic weapon deploymentWeapon upgradesDiverse weapon types (Ballista, Mortars, Thunderer, Freezerer)
🎮 Games
(67)
free with in-app purchases
15
Defense of Homeland - Protect Greece Tower
Defense of Homeland - Protect Greece Tower
Defense of Homeland - Protect Greece Tower
by 爱兰 吴
Free

Engage in a classic tower defense experience with strategic gameplay across numerous hand-drawn maps. Defend against diverse enemies with a variety of towers and weapons in multiple challenging campaigns and modes.

40 campaigns and 7 challenge mapsMultiple gameplay modesMind-bending towers and special weapons
🎮 Games
(1)
free
16
Sea Boom
Sea Boom
Sea Boom
by Denis Sokolov
Free

Defend a vibrant sea reef from an onslaught of monstrous invaders. Guide exiled sea people in their fight to reclaim their home and restore peace to their underwater kingdom.

Reef defense gameplayFight sea monstersHelp exiled sea people
🎮 Games
(2)
free with in-app purchases
17
Rush Defense: idle TD
Rush Defense: idle TD
Rush Defense: idle TD
by HONG KONG BASIC TECHNOLOGY LIMITED
Free

Defend mystical realms from monstrous adversaries in this idle tower defense game. Strategically place towers, unleash spells, and upgrade your defenses to fend off relentless enemy waves. Progress and strengthen your defenses even while offline.

Unique tower defense gameplayStrategic tower placementPowerful spell unleashing
🎮 Games
(473)
free with in-app purchases
18
SMDC
SMDC
SMDC
Missile Defense Command
Free
🎮 Games
(0)
19
Defense of Kingdom: HomeWorld Defend of Field Battle Defense Game
Defense of Kingdom: HomeWorld Defend of Field Battle Defense Game
Defense of Kingdom: HomeWorld Defend of Field Battle Defense Game
by 后瑞 孙
Free

Defend your clan from the forces of Darkness in this engaging tower defense game. Strategically build defenses, utilize powerful tower skills and props, and battle fierce bosses across diverse landscapes to thwart the Fire Lord's schemes.

8 special tower skills4 fantastic props8 merciless boss fights
🎮 Games
(14)
free
20
World warfare TD - Tank Defense Fields
World warfare TD - Tank Defense Fields
World warfare TD - Tank Defense Fields
by 爱兰 吴
Free

Lead a new era of tank warfare in this tower defense game set in a town fortress. Build turrets to defend against enemies while experiencing an innovative plot mode, new maps, and unique gameplay mechanics.

Innovative plot modeNew maps and turretsOffline play
🎮 Games
(2)
free

FAQ about Sea Games Defense

What are the best sea games defense for iPhone?
Lord of Seas tops our sea games defense ranking as of August 2026, with a 4.7-star average from 5.3K App Store ratings, and it's free to download.
Yes — 20 of the top sea games defense we rank are free to download, including Lord of Seas and City Tower Defense 3.
Lord of Seas has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 247+ sea games defense on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Lord of Seas is an MMO real-time strategy game where players survive, fight, and conquer on the high seas. It involves plundering, forming alliances, and engaging in interactive territory battles.
Key features include panoramic map real-time naval 4X battles, conquering deep-sea behemoths for treasures, forging legendary fleets with customizable ships, experiencing pirate tales and adventures, and romantic interactions with companions.