Iron Rail Defense Guide: Getting started with the tutorial and first stages
About
OverviewIron Rail Defense is a tower defense game where you place troops — including trains — to stop waves of enemies from overrunning a metro station full of survivors. The game is currently in beta. This guide covers how to get started, how ranks work, what the harder challenges ask of you, and how to make the most of every session.
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Contents
みんなの攻略ノートとコツ
見つけたコツや、とっておきの攻略をみんなに教えよう！画像付きのノートも大歓迎！
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Iron Rail Defense [NEW TOWER]
Getting started with the tutorial and first stages
Step
The tutorial is the first thing you should do. It awards the Baby Steps badge and counts toward your rank progression. The early stages — 1.1, 1.2, 1.3, and 2.1 — each have their own badge, so working through them in order is the natural way to build experience before the difficulty climbs.
- Complete the tutorial this earns Baby Steps and gets you familiar with placing troops.
- Clear stage 1.1 the first real test after the tutorial; the badge description notes you actually beat something, not just got lucky.
- Push through 1.2 and 1.3 the story hints things get harder from here.
- Reach stage 2.1 this is where the early game ends and the mid-game begins.
- Check which rank you have unlocked Adept is the first rank above starter, and it signals the game is starting to trust you with more.
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How ranks unlock stronger options
Summary
Ranks rise as you collect badges. Each rank title comes with its own badge, and the Expert badge explicitly states that reaching it unlocks the bigger guns. Keep earning badges and winning matches to move up the ladder.
- Adept the first rank you reach after the tutorial phase; you start making real decisions here.
- Skilled a mid-tier rank that confirms your progress is on track.
- Expert the rank that unlocks more powerful equipment.
- Elite a high rank that the badge description frames as making you recognizable.
- Master the top rank; the badge description suggests there is nothing left to prove after this.
Building wins over time
Check
There are four win-count badges: 5, 10, 50, and 100 wins. The 100-win badge description calls you a legend, which gives you a sense of how long the grind is.
- Work toward 5, 10, 50, and 100 wins each has its own badge.
- Damage badges exist for 1 million, 10 million, and 100 million damage.
- Master 20 different enemy types to earn the Know Your Enemy badge.
Hard-mode challenges and their exact conditions
Warn
These badges are not just about playing well — each one requires you to meet a precise rule.
The Engineer and prototype construction
Tips
This badge has a crafting condition separate from wins or damage.
- Collect all required pieces first.
- Build the prototype once you have everything — that single construction step is what finishes the badge.
Glossary
Glossary- Tower defense
- A game format where you place troops at fixed positions on a map to destroy enemies that travel along set paths in waves.
- Mod
- An extra setting you apply before a match that changes difficulty or conditions; stacking mods to a combined +150% bonus is required for the Overdrive badge.
- Nightmare difficulty
- One of the game's hardest difficulty settings and the specific requirement for the Bad Dreams Don't Scare Me badge.
- 72 waves
- The total number of enemy waves in a single match, all of which must be survived to earn the All Nighter badge.
- Rank
- A progression title — Adept, Skilled, Expert, Elite, or Master — that you earn by collecting badges, with higher ranks unlocking stronger equipment.
Common questions
FAQWhen exactly does the weekend bonus apply?
The +5% reward bonus is active on weekends. Log in on Saturday or Sunday to have it applied to your session rewards.
Do I have to do the tutorial?
Completing it earns the Baby Steps badge, which counts toward your rank progression.
How do I earn The Underdogs badge?
You need to beat a Hard+ mode using only towers that are ranked B or lower — no higher-ranked towers allowed for the whole run.
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