Screenshots
Watch trailer on Steam ↗Coastal Defense
Weeti Rantanen · Published by Weeti Rantanen
2 user reviews — 50% positive (2 reviews)
Last updated 28 Sept 2026
Coastal Defense is a fast-paced, casual top-down tower defense game inspired by real-world coastal defense structures. Buy and upgrade your coastal defenses to defeat incoming navies!
DJCTQ 6
£1.69
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
£1.69
Price history
4 Sept 2026Lowest: £1.69 · Highest: £1.6911 Oct 2026
Indie, Strategy, Casual · 2024 · More under £5 games
Command your defenses in Coastal Defense, a fast-paced top-down tower defense experience where you buy and upgrade structures to protect the coast. Prepare for incoming navies in this casual yet strategic game from Weeti Rantanen.
About this game
Coastal Defense
Coastal Defense is a fast-paced, casual top-down tower defense game inspired by real-world coastal defense structures. Buy and upgrade your coastal defenses to defeat incoming navies!
Defend the beach!
Enemy vessels are coming for your beach! Destroy them with your defensive turrets or by calling in artillery!
Buy and upgrade!
As you play, you will be given funding. Use this funding to buy and upgrade turrets!
Increasing danger!
As the waves increase, be prepared to face tougher enemies. Brace yourself to fight the final Battleship at wave 15!
This game also features:
- High replayability
- Tracked statistics
- Unlockable hard mode
To play the game, you need to use a mouse and a keyboard. Controllers are not supported.
I hope you like it!
Coastal Defense is a fast-paced, casual top-down tower defense game inspired by real-world coastal defense structures. Buy and upgrade your coastal defenses to defeat incoming navies!
Defend the beach!
Enemy vessels are coming for your beach! Destroy them with your defensive turrets or by calling in artillery!
Buy and upgrade!
As you play, you will be given funding. Use this funding to buy and upgrade turrets!
Increasing danger!
As the waves increase, be prepared to face tougher enemies. Brace yourself to fight the final Battleship at wave 15!
This game also features:
- High replayability
- Tracked statistics
- Unlockable hard mode
To play the game, you need to use a mouse and a keyboard. Controllers are not supported.
I hope you like it!
System Requirements
Will my PC run this? →Minimum
Minimum:
- OS *: Windows 8, Windows 10
- Processor: 1.2 Ghz
- Memory: 240 MB RAM
- Storage: 240 MB available space
- Sound Card: Windows compatible sound device
Recommended
Recommended:
- OS: Windows 10
- Processor: 1.2 Ghz
- Memory: 500 MB RAM
- Storage: 500 MB available space
- Sound Card: Windows compatible sound device
Supported Languages
English
Latest news
Community & EventsOfficial
Tower Defense Fest Sale & Behind The Scenes Stuff
Coastal Defense is participating in the Tower Defense Fest with a 50% sale! With the event going on, I thought I'd post some behind the scenes stuff I've made while making the game. I'll also share some of the art along with the original reference pictures! Click on the images to make them bigger! First up the turrets: 130/50 N Kuivasaari https://upload.wikimedia.org/wikipedia/commons/4/47/130_50_N_Kuivasaari.JPG Source: 130/50 N Wikipedia {STEAM_CLAN_IMAGE}/44946916/841f5fb70883e42e924a2be87327de33cdb2ab84.png Isosaari tykki {STEAM_CLAN_IMAGE}/44946916/3c77c63704d97979eadf433c29157a42053eb84a.jpg Source: tykki-rannikkotykki-isosaaressa {STEAM_CLAN_IMAGE}/44946916/0024205c651bf6656ec105da18cc1b44f108ca75.png 100 56 TK https://upload.wikimedia.org/wikipedia/commons/2/2b/Deactivated_100_56_TK_coastal_gun%2C_Upinniemi%2C_Kirkkonummi_%28December_2017%29.jpg Source: 100 56 TK Wikipedia {STEAM_CLAN_IMAGE}/44946916/7b7df161485e6f661195217549a817a4cbc07ecd.png {STEAM_CLAN_IMAGE}/44946916/5c35574e680570b98f23f386694617f144fe4562.png Obuhov {STEAM_CLAN_IMAGE}/44946916/c1d622e3ca4a36facd131423e39ee405bd71d278.jpg Source: Helsingin Uutiset {STEAM_CLAN_IMAGE}/44946916/3bdc8ab17cc0fe487e462f6d3549b767633a84ce.png {STEAM_CLAN_IMAGE}/44946916/856ce68c0fbbe6707fdd46363c553902f6be990f.png Next up the ships: Uisko {STEAM_CLAN_IMAGE}/44946916/6423cbe674c07861c6ef96f1d005e382d7b3be49.png Source: Uisko-luokka Puolustusvoimat {STEAM_CLAN_IMAGE}/44946916/099b4bf8cefb39da37cf76f4fc1b96e37bab7f4f.png Valas {STEAM_CLAN_IMAGE}/44946916/e9d012398e006f458e299e84e6871acd3d471e44.png Source: Valas-luokka Puolustusvoimat {STEAM_CLAN_IMAGE}/44946916/097eefbf0a614cf1d7aaa6adcf83553fa50deea0.png Rauma {STEAM_CLAN_IMAGE}/44946916/87fa9dcf0aeb069de6818480157ee6182463b754.jpg Source: Rauma-luokka Puolustusvoimat {STEAM_CLAN_IMAGE}/44946916/b135538996b7d7255d2a2bd35ec77b6eb1eb0114.png Battleship {STEAM_CLAN_IMAGE}/44946916/686defbfdff15155fe986cfdc9eca3d1c0798c10.png The battleship is actually not a real ...Read full article on Community Announcements (Wr)Patch NotesOfficial
Coastal Defense Update 1.1
Fixed audio bugs. Added a new effect for the ships when they get hit.Read full article on Community Announcements (Wr)AnnouncementsOfficial
Coastal Defense is now available!
The game is now out! You can get the game on Steam or Itch.io. I hope you like it!Read full article on Community Announcements (Wr)
