Your progress in this world
0 of 12 missions complete
Civil & Structural
Bridge Builder Challenge™
A river town needs a crossing that survives floods, trucks, and a century of weather. Every member you place carries a life.
0%
Tier 1
Explorer
Introduction to engineering concepts
Tier 2
Innovator
Applied design challenges
Complete 60% of the Explorer tier to unlock these missions.
- Span selectionBeam, arch, truss, suspension, cable-stayed.70 XP
- Load combinationsDead, live, wind, and thermal.70 XP
- Foundation choiceSpread footings vs. driven piles.70 XP
Tier 3
Engineer
Advanced simulations
Complete 60% of the Innovator tier to unlock these missions.
- Fatigue and detailingWeld details and stress cycles.110 XP
- Seismic responseBase isolation and ductility.110 XP
- Scour protectionRiver hydraulics at pier bases.110 XP
Tier 4
Visionary
Real-world global challenges
Complete 60% of the Engineer tier to unlock these missions.
- Structural health monitoringSensors, thresholds, and digital twins.160 XP
- Low-carbon concreteCement alternatives and lifecycle carbon.160 XP
- Resilient infrastructure planClimate loading beyond historic records.160 XP