Play

Pick a trade and puzzle type to start solving.

Y1

1st Year Apprentice

0 XP total • 500 to next

0 solved

Random Puzzle

Random trade & type — great for daily practice

BREAK ROOM

Pipe Mazes

Quick pipe-routing puzzles for breaks — lower XP, doesn't count toward your league rank

Inspector's Eye

The violations that get a job red-tagged — catch them before the inspector does

Read the Drawings

Take off a real mechanical bid set — tap every device the engineer drew. The estimator's skill.

Daily Code

One code-check question a day — build your Code Streak

Exam Prep

Timed practice exams that mirror real journeyman & cert tests — with weak-area drilling

Build-Alongs

Multi-day projects — wire a sub-panel, rough-in a bath, install a mini-split

OJT Hours

Track on-the-job training hours toward your 8,000-hour journeyman turnout

Code Reference Library

Every code citation across the puzzles — searchable, filterable, bookmarkable

Code Tips

Daily spaced-repetition flashcards — review the codes you've unlocked

Lightning Round

5 timed trivia questions — fast answers and streaks earn bonus XP

Mixed 5

A quick 5-puzzle routine across types — full range, no picking

10-Race Mix

One physics-race round per trade — pick the winner across all 10

Your Crew

Your work-buddy group — up to 6, ranked by weekly XP. Create one or join with a code

Leaderboard

Top apprentices by XP

Achievements

Badges you've unlocked

Core Trades

HVAC / Sheet Metal hero

🌀

HVAC / Sheet Metal

SMACNA / UA Local

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

Plumbing hero

🔧

Plumbing

UA Local

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

Electrical hero

⚡

Electrical

IBEW Local

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

Pipefitting hero

🔩

Pipefitting

UA Local

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

Building Controls hero

🎛️

Building Controls

IBEW / NECA

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

Specialty Trades

Data Center Design hero

🖥️

Data Center Design

IBEW / SMACNA / UA

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

Central Plant Design hero

🏭

Central Plant Design

UA / SMACNA

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

Healthcare Facilities hero

🏥

Healthcare Facilities

UA / IBEW

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

High-Rise MEP hero

🏙️

High-Rise MEP

UA / IBEW / SMACNA

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly

Industrial Process hero

⚙️

Industrial Process

UA / IBEW

🔍What's Wrong?❓What's Missing?✅Code or No Code?📏Size It Right 📋Sequence the Install 🔨Build the Assembly