GUIDE · GAME CONTROLS
Military production queue
Queue units at production buildings to keep reinforcements coming while attention is elsewhere. The queued units reserve resources immediately, so long queues can leave too little available for upgrades, buildings, or emergency counters.

Overview
Queue units at production buildings to keep reinforcements coming while attention is elsewhere. The queued units reserve resources immediately, so long queues can leave too little available for upgrades, buildings, or emergency counters.
How this system affects decisions
Treat research as a sequence of choices: check its building, Age, prerequisite, cost, and the units or economy affected. An upgrade is most valuable when it arrives before the army needs it and improves enough of the units already in production; researching every available technology is rarely the best use of a limited stockpile.
How to use this reference
Queue units at production buildings to keep reinforcements coming while attention is elsewhere. The queued units reserve resources immediately, so long queues can leave too little available for upgrades, buildings, or emergency counters. Bonus attacks use the target’s armor class and are added separately from ordinary attack damage. Check the target’s listed classes before comparing units: one unit may belong to several classes and receive more than one bonus.
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- Age of Empires II system
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