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Loopstructor

Loopstructor

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.

Released Aug 7, 2024 Developer Pone Games Platforms Windows StrategyTower DefenseRoguelikeIndieSurvival
View on Steam ↗ $6.99 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.

83.1%positive384 reviews
Recommended · 0 found this helpful

“Loopstructor is a really innovative Tower Defense game - the idea of constructing "loops" that function like train tracks to move towers on is a really fascinating one - and one that I think this game explores well. If you're just looking for another tower defense that does…”

— a player, Steam review · 27 hrs played
Not recommended · 1 found this helpful

“以獨特性來說，列車塔防roguelike確實是很有創意。但以下的缺點實在是無法無視: 1. 平衡性不好，無論選哪一種列車起手，先湊吸血結界，再湊冰凍/加速結界，這個套路可以無腦過關。 2. 雖然分為20個難度，但實際上滿無感的。(新難度->解鎖新開場列車->很興奮->發現其實沒差->新難度) 3. 作為列車塔防，路線的重要性不夠，你幾乎只要無腦圍一圈最靠近主堡的短路線，上面放兩台火車，除了王關(可能)需要微調，其他關卡都是躺著過。會讓人覺得很可惜，溶入列車元素很有趣，但呈現的很表面。 整體而言，想嘗鮮可以，但我個人不推薦。”

— a player, Steam review · 30 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

65achievements
11.2%median completion
1.1%rarest: Radiant Yin&Yang
87.0% of players 77.1% of players 75.8% of players 73.4% of players 60.1% of players 59.5% of players 42.9% of players 41.1% of players 34.3% of players 31.7% of players 29.8% of players 29.7% of players 27.6% of players 27.2% of players 25.5% of players 25.0% of players 24.4% of players 23.5% of players 21.5% of players 18.8% of players 17.8% of players 16.6% of players 16.3% of players 16.1% of players 14.9% of players 14.7% of players 13.4% of players 12.6% of players 12.3% of players 12.0% of players 11.6% of players 11.5% of players 11.2% of players 10.8% of players 10.3% of players 10.1% of players 10.0% of players 9.8% of players 9.1% of players 8.4% of players 8.3% of players 8.2% of players 7.3% of players 7.3% of players 7.2% of players 6.6% of players 6.6% of players 6.2% of players 5.9% of players 5.8% of players 5.7% of players 5.5% of players 4.8% of players 4.6% of players 4.6% of players 4.5% of players 4.5% of players 4.0% of players 3.5% of players 3.1% of players 87.0% 0% most earned rarest
Almost everyone has
87.0%Strike the Track with egg — Kill the Mummy Chick
77.1%Lord of the Vehicle — Hidden achievement
75.8%Queen Killer — Kill the Brood Queen
Rarest badges of honor
1.1%Radiant Yin&Yang — Kill 13888 enemies with Yin&Yang.
1.6%Arrow's Precision — Kill 13888 enemies with Piercing Arrows.
2.5%Channel King — Channel 13888 Special Creatures.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.

$6.99current · sampled 2026-09-26 21:12 UTC
$6.99lowest since tracking began2026-09-26
US6.99 USD
EU7.19 EUR
UK6.29 GBP
Australia9.75 AUD
Canada8.29 CAD
Japan905 JPY
Brazil26.75 BRL
China30.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$4.5 Brazil Japan Canada Australia US EU UK≈$8.3

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Mar 19, 2026
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

Feb 03, 2026
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 initi

Jan 27, 2026
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 pa

Apr 01, 2025
[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

Apr 01, 2025
Seriously? Loopstructor 2 is already in the works?!

Yeah, April Fools have fun! It's the early version of Loopstructor! Let's see!

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-25.

GenresCasual, Indie, Strategy
Player tagsStrategy · Tower Defense · Roguelike · Indie · Survival · RTS · Singleplayer · Auto Battler · Replay Value · Automation · Base Building · Top-Down (Steam store community voting)
FeaturesSingle-player · Steam Achievements · Steam Workshop · Steam Cloud · Stats · Family Sharing
LanguagesSimplified Chinese, English, French, German, Spanish - Spain, Russian, Traditional Chinese, Japanese, Korean, Italian, Turkish, Polish, Portuguese - Brazil, Swedish, Dutch
Achievements65
Minimum system requirements (PC)

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