NEW825+ puzzles from real construction projects

Stop Memorizing Code Books. Start Solving.

Master NEC, IMC, ASHRAE & SMACNA codes through addictive puzzles rooted in real-world installations. Built for UA, IBEW & SMACNA apprentices.

825+
Puzzles
10
Trades
6
Puzzle Types
50+
Code Standards
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6 Puzzle Types

Learn by Doing, Not Reading

Every puzzle is rooted in real installation scenarios. Every explanation cites the actual code section.

🔍88 puzzles

What's Wrong?

Spot code violations in real installations. Tap the component that doesn't meet code.

73 puzzles

What's Missing?

Identify missing components from a complete-looking install before it fails inspection.

🔨60 puzzles

Build the Assembly

Drag and drop parts into the correct assembly order. Get the sequence wrong, it won't pass.

📏139 puzzles

Size It Right

Calculate correct component sizing using real formulas from ASHRAE, NEC, and SMACNA standards.

📋83 puzzles

Sequence the Install

Reorder shuffled installation steps. Real-world sequencing matters on the jobsite.

142 puzzles

Code or No Code?

Does this scenario pass inspection or not? Binary judgment calls rooted in actual code sections.

10 Trades

Your Trade. Your Code. Your Puzzles.

5 core trades free. 5 premium specialty trades for advanced cross-trade knowledge.

Pick your trade — HVAC, Plumbing, Electrical, Pipefitting, Controls
🌀

HVAC / Sheet Metal

SMACNA / UA

🔧

Plumbing

UA Local

Electrical

IBEW Local

🔩

Pipefitting

UA Local

🎛️

Building Controls

IBEW / NECA

PRO🖥️

Data Center Design

IBEW / SMACNA / UA

PRO🏭

Central Plant Design

UA / SMACNA

PRO🏥

Healthcare Facilities

UA / IBEW

PRO🏙️

High-Rise MEP

UA / IBEW / SMACNA

PRO⚙️

Industrial Process

UA / IBEW

How It Works

Five Minutes a Day Builds Real Code Knowledge

01

Pick Your Trade

Choose from HVAC, Plumbing, Electrical, Pipefitting, Controls, and 5 premium specialties.

02

Solve Real Puzzles

Every puzzle is based on real installation scenarios from actual construction project specs and plans.

03

Learn the Code

Every answer explanation cites the actual code section — NEC, IMC, ASHRAE, SMACNA. You learn the 'why' behind every answer.

Pricing

Start Free. Go Pro When You're Ready.

Free

$0
  • 3 puzzles per day
  • Difficulty levels 1-2
  • All 5 core trades
  • Progress tracking
  • Daily code tips
Get Started
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Pro

$9.99/month

or $79.99/year Save 33%

  • Unlimited puzzles
  • All difficulty levels
  • All 10 trades (base + specialty)
  • Full code reference library
  • Spaced repetition reviews
  • Priority support
Start Pro Free Trial

For Training Programs

Bulk Licensing for JATC & Training Centers

Training directors and JATC coordinators: CraftIQ offers volume discounts for apprenticeship programs. Bring CraftIQ to your entire training center.

20%
10+ licenses
30%
25+ licenses
40%
50+ licenses
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Real Standards

Every Answer Cites the Actual Code

No generic trivia. Every puzzle references real code standards used on the jobsite.

NECIMCIPCASHRAE 90.1ASHRAE 62.1ASHRAE 135SMACNANFPA 90ANFPA 96IEEE 519ASME B31.9UL 508ASCE 7ASTMCalifornia T-24

Gamification

Earn Your Stripes

Track your journey from 1st Year to Master with XP, streaks, achievements, and leaderboard rankings.

Achievement badge 1
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Achievement badge 5
Achievement badge 6
Achievement badge 7
Achievement badge 8
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Achievement badge 10
Achievement badge 11
Achievement badge 12
1st Year
0 XP
2nd Year
500 XP
3rd Year
1,500 XP
4th Year
3,000 XP
Journeyman
5,000 XP
Master
8,000 XP

Ready to Level Up?

Join thousands of union apprentices mastering trade codes the smart way. Free to start — no credit card required.

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