
Screenshots

Watch trailer on Steam ↗Loopstructor
Pone Games · Published by Pone Games
Very Positive — 83% positive (384 reviews) · 65 achievements
Last updated 28 Sept 2026
This is a strategy game that combines tower defense with Roguelike. Unlike traditional tower defense game, the towers in the game are vehicles that move along ‘loops’.You need to create defense loop and build battle trains to defend against enemy attacks.
£6.29
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
Price history
Indie, Strategy, Casual · 2024 · More £5 - £15 games
In Loopstructor, craft defensive loops and deploy battle trains to fend off waves of enemies. A fresh take on strategy from Pone Games, set for release in 2024.
About this game
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About the Game
Connect catapult freely and lay tracks to plan your multiple defense lines, activate elemental field domain, and damage and interfere with enemies.
But note that this is the last line of defense of the homeland, and swear to guard the base until the last drop of blood!
You need to design tracks and allocate vehicles according to the random monster nests generated in each level to deal with the threat of monsters.
As the game progresses, more and more monsters and powerful bosses will come to the battlefield. How to adjust your tactics in real time becomes the key to your survival.
Players will set off from a unique Main Base, defeat monsters as they move forward to randomly acquire a wide variety of items, and finally build their own genre system.
Vehicles and Synergies, Super Modules and Immediate Orders, random combinations will produce countless wonderful chemical reactions.
Every round was a new version that had never been seen before, and the rich Roguelike elements would make you never tired of playing.
1 + 1 > 2? 1 + 1 + 1 + 1 + 1 + 1 +... Of course it was infinite!
62 distinctive Vehicles
20 main bases with with different features
100+ unique Super Modules
Dozens of mysterious objects that reverse the situation
Several different styles and interesting bosses, Mummy Chick, Brood Queen, MagiBat... Explore their unique mechanisms to the fullest
More modes - [Random Endless] mode is now officially released, and you can compete with other players. Our leaderboard will show the highest scores of players around the world. Come and create your own strongest vehicle system and become a true Loop Master!
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64bit
- Processor: Intel Pentium 4 processor or later that's SSE2 capable
- Memory: 8 GB RAM
- Graphics: Intel UHD 630
- DirectX: Version 11
- Storage: 2 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64bit
- Processor: Intel® Core™ i5 Processors
- Memory: 16 GB RAM
- Graphics: NVIDIA GeForce GTX 1650
- DirectX: Version 11
- Storage: 2 GB available space
Supported Languages
Latest news
AnnouncementsOfficial
Spring Sale - Loopstructor at Historic Low 50% Off!
Hello players, spring is here!Starting March 20th, Loopstructor launches its Spring Sale with a historic low 50% discount! This is the perfect time to dive into this unique tower defense game.Why Loopstructor?Unique loop-based strategy gameplayInfinite replayabilityEasy to learn, hard to master Want more? Check out Loopstructor 2: Skyspine Playtest! The sequel brings a fully upgraded experience with even more thrilling tower defense action. If you loved the first game, you won't want to miss this evolution!Limited time offer - grab it now!Read full article on Community Announcements (Pone Games)AnnouncementsOfficial
Shape the Rails! Playtest Rail Defense: Eldritch Siege Out Now!
Greetings, Masters of Loop Defense! Our independently developed new strategy tower defense game—Rail Defense: Eldritch Siege—has officially begun its limited-time Public Playtest! This test will initially open Character Mode. Players will take on the role of the first available character. Once a master mechanical modifier, she joined the Rail God Research Association and now commands her signature dual-tech turrets—harnessing both lightning and steam—to repel the encroaching void. Core Experience Highlights:- Dual-Tech Turrets, Strategic Assembly: Control Auvia, freely combining 4 types of Steam-Powered Turrets (Forge Press, Mortar, Volley Gun, Double Blast) with 4 types of Arc-Tech Turrets (Arc Flash, Fork Bolt, Ion Orb, Superconduct). Experience distinctly different combat styles, from single-target burst to area chaining. - Deep Progression, Arm Your Train: Through trials in Normal and Elite waves, as well as Boss battles, gradually unlock and upgrade the 8 turret types, arming them onto your mobile fortress—the War Train. - Relic Collection, Build Your Playstyle: Collect over 40 unique Rail Relics left behind by the Rail Gods. Cleverly combining them will significantly enhance your combat capabilities, helping you forge a unique clearing strategy. - Dynamic Battlefield, Random Events: Beyond the intense main combat, levels will also randomly feature diverse node events such as supply drops, mysterious merchants, and sudden encounters. Opportunity and risk coexist; every choice can change the course of battle. - Trial Loop, Grow Stronger: Upon completing each trial, you will earn rewards including Turrets, Relics, Rail Devices, and Synergy Nodes. Evolve your tactical system by synthesizing higher-tier turrets, stacking Infusion layers, and cleverly laying rails to alter the battlefield terrain, preparing for the ever-swelling "Outer God Swarm" and ominous curses. ▌ How to Participate? 1. Visit the Rail Defense: Eldritch Siege Steam Store Page. 2. Find and click t...Read full article on Community Announcements (Pone Games)AnnouncementsOfficial
The Rails Await: “Rail Defence: Eldritch Siege” Playtest Incoming.
Dear Strategists and Rail Masters,The long-anticipated sequel to the creative tower defense title Loopstructor has arrived. Rail Defence: Eldritch Siege is officially unveiled, and its Steam store page is now live.Building on the original’s signature Loop-based Tower Defense mechanics, Rail Defence: Eldritch Siege pushes the concept further than ever before. Step into a mysterious steampunk world warped by the influence of hidden Rail Gods, design rail networks, deploy and upgrade unique Battle Trains, and harness new systems such as Rail Enchantments to transform your mobile fortresses into devastating engines of defense. Every decision matters, and every move could mean survival — or collapse.The core elements that made the series highly replayable remain, now expanded with deeper customization and progression. Unlock diverse trains, unique bases, and powerful relics to craft your own tactical builds, then hold the line against endless waves of ancient nightmares on a battlefield that is always shifting.Want to experience it firsthand? Save the dates:January 30, 2026 – Limited-time Public Playtest begins. Be among the first to play and help shape the game with your feedback.March 2026: The game's free playable Demo will officially launch! You'll be able to dive into the early content without barriers and enjoy the thrill of rail planning and fleet assembly.Add Rail Defence: Eldritch Siege to your Steam Wishlist to stay updated and be notified when the playtest goes live. The rails are your final line of defense against the unknown.We also invite you to join our Discord community to share ideas, feedback, and suggestions with the team:https://discord.gg/zSjKAbyYABSincerely,Pone GamesRead full article on Community Announcements (Pone Games)AnnouncementsOfficial
[Monthly Challenge]April Challenge - DataConfusion!
This month's challenge has been launched, come and join the ranking battle on the leaderboard! Challenge content: Main base: Melee Main Base Initial Vehicle: Healing Wave, Ice Chainer Initial Powerful Module: Energy Launcher Module , DataConfusion-The wave button will not displays the wave information, the EXP gained will be greatly increased. Challenge introduction: - Main Base Max HP is reduced. - Less EXP gained from recycling. - Immediate Order's Maximum -1. Optional Vehicle: {STEAM_CLAN_IMAGE}/44859618/ff2d46b4edeacf3da4508f25286eff3d0986880c.png Come and join the competition for the leaderboard! {STEAM_CLAN_IMAGE}/44859618/2aa85bdb90f2e6422389a799cd495fac59f79113.png If you encounter any problems during the game, please join our Discord server for feedback. Discord:https://discord.gg/TJqVnDErNzRead full article on Community Announcements (Pone Games)AnnouncementsOfficial
Seriously? Loopstructor 2 is already in the works?!
Yeah, April Fools have fun! It's the early version of Loopstructor! Let's see!Read full article on Community Announcements (Pone Games)










