Map Builder's Field Guide
Build a map that plays. Make the battles worth repeating. Then build a world you can maintain.
Three practical guides to Population: ONE’s in-game Sandbox builder, following one original arena: Switchyard.
Your First Playable Map
Build a small two-team arena, make its spawns and boundaries work, and finish a full test match before adding decoration.
Start building →Designing Better Battles
Rework a plain arena into readable routes, useful cover, and contestable high ground—with a before-and-after playtest plan.
Read guide →Advanced Worlds & Optimization
Build reusable sections, control detail costs, add a documented event, and test the saved version you intend to release.
Read guide →
Reading estimates use 200 words per minute, excluding source lists. Exercises take additional time.