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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.
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Use an explicit one-time Memory request, confirmation phrase, owned Controller checks, safeMode, safeModeAvailable, safeModeCooldown and upgradeBlocked preflight, disable before activateSafeMode(), save the return code, and verify later state.
Compare ticksToDowngrade with configurable enter and recovery thresholds, use CONTROLLER_DOWNGRADE for context, select an owned ready Upgrader with Energy and active WORK, move to range 3, save upgradeController() results, and exit emergency mode only after recovery.
Separate renewable remote-room reservations from one-time room ownership, require an active CLAIM part and range 1, block owned Controllers and hostile reservations, require explicit claim confirmation and GCL capacity, save return codes, and stop a claim mission after OK.
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.
