DNS Detective
Step 1 of 6 · About 6 hours
Trace DNS, HTTP, and packets through real cases until the internet clicks.
Skills → games
Games on your job path
Each skill opens one game. Start from a job path so you know which skill you are on.
Forward Deployed Engineer (FDE)
Fix live production outages: read logs, keep services up, and keep clients online.
Linus Desk
Step 3 of 6 · About 4 hours
A fake Ubuntu desk and terminal — files, processes, and real shell missions.
SQL Noir
Step 5 of 6 · About 5 hours
Solve cases with SQL: SELECT to joins, while the data tells the story.
SysDesign Ops
Step 6 of 6 · About 6–7 hours
Wire cloud boxes, survive traffic and outages, and keep the bill under control.
Data Scientist
Answer business questions with SQL: filter, join, find trends, and measure funnels.
SQL Noir
Step 1 of 5 · About 2 hours
Solve cases with SQL: SELECT to joins, while the data tells the story.
SQL Noir
Step 2 of 5 · About 2 hours
Solve cases with SQL: SELECT to joins, while the data tells the story.
SQL Noir
Step 3 of 5 · About 3 hours
Solve cases with SQL: SELECT to joins, while the data tells the story.
SQL Noir
Step 4 of 5 · About 3 hours
Solve cases with SQL: SELECT to joins, while the data tells the story.
SQL Noir
Step 5 of 5 · About 3 hours
Solve cases with SQL: SELECT to joins, while the data tells the story.
Play with others
Ranks, squads, and Friday party rooms — outside the skill ladder.
