Loopstructor 2: Skyspine

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• Patch Notes·20 Aug 2026Official

  Loopstructor 2: Skyspine Demo Experience Update

  Hello, Commanders!This Demo update focuses on improving the experience throughout an entire run. Our goal is to make everything feel smoother, from starting the game to completing a run.What’s NewImproved the overall experience throughout the Demo.Added mouse-wheel zoom for easier viewing and navigation.Added Korean localization.Our Direction for Future Gameplay ChangesWe have also been reviewing the core gameplay based on feedback from the Demo. Some systems are currently harder to understand than intended, and the connections between turret progression, route choices, and build creation are not always clear.Here are the main areas we plan to improve:Clearer turret progression We plan to streamline turret upgrades, mods, and deployment so that each turret’s strengths and upgrade potential are easier to understand. Progression will also rely less heavily on repeatedly merging identical turrets.More meaningful route choices Different types of map nodes will offer clearer resources and rewards. Route selection should support the needs of your current build instead of simply being a comparison of which path offers more rewards.Smoother progression throughout each run We want to address the slow early game and the lack of meaningful choices later in a run, giving each stage clearer goals and more opportunities to grow stronger.More ways to create a build Turrets and firing points will have clearer roles. Builds will be able to take shape through different combinations of turrets, mods, and firing points, with less dependence on fixed combinations or specific prerequisites.Easier to learn, with room for deeper strategy New players should be able to complete a run with a straightforward mix of single-target and area damage without needing to understand every interaction. Players who enjoy experimentation will still have plenty of combinations to explore across turrets, mods, and firing points.These are our current development goals, not final designs. The related systems ...
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• Announcements·20 May 2026Official

  [Loopstructor 2: Skyspine] is Coming to BitSummit PUNCH!

  Hello everyone!From May 23 to 24, Loopstructor 2: Skyspine will be joining Indie Games Pass in Kyoto, Japan for BitSummit PUNCH!Visitors will be able to try the latest version of the game at the event, and we’ll also have various merch and goodies to give away.Members of the development team will be there as well, so if you’re planning to attend, feel free to stop by booth 3F-A14 and say hi!We look forward to seeing you there!
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• Announcements·30 Jan 2026Official

  Shape the Rails! Playtest Rail Defence: 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, starting today, January 30th!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?Visit the Rail Defense: Eldritch Siege Steam Store Page.Find and cli...
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• Announcements·23 Jan 2026Official

  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 Games
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