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Browse 64 published guides by system, difficulty, content type, or topic. Start with What Is Screeps? A Programming Strategy Game or follow the beginner sequence through How to Combine Your First Screeps Room Loop.
5 matching guides
Guard room.storage access, calculate withdrawable Energy above a configurable reserve, switch a hauler between withdrawal and delivery, select Spawn and Extension targets deterministically, handle action return codes, and verify same-tick capacity races.
Recover source and target Links by fixed IDs, require ownership, different objects, the same room, active structures and zero source cooldown, calculate a conservative amount from source stock and target free capacity, estimate LINK_LOSS_RATIO only for logs, and verify Store changes later.
Recover a stored Source ID first, distinguish FIND_SOURCES from FIND_SOURCES_ACTIVE, build reachable path candidates, rank path length before assignment count and stable ID, store the selected identity, handle empty Sources according to a documented dynamic policy, and preserve harvest and movement results.
Find a Container that currently holds Energy, check the Creep's free capacity, call withdraw(), handle range and return codes, and keep the delivery task outside this focused guide.
Filter FIND_DROPPED_RESOURCES for Energy, rank valid piles by collectible amount and path length, handle decay and changing targets, and inspect pickup() and movement results.
English articles are published only after source review, official API checks where applicable, JavaScript syntax review where code is present, duplicate-intent checks, and a final score of at least 96.
