Beginner’s field guide
First Defense
Three habits to try before the first wave and between attempts.
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Trace the enemy route before you build
Find where enemies enter and where they are headed. Look for bends, shared stretches and any second entrance. Knowing the route helps you decide which position will see the most traffic.
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Check what a tower can reach
If the game shows a range preview, use it before spending resources. Look at how much of the road sits inside that range and which parts a nearby tower already covers.
Kingdom Rush example. When choosing between two build spots, see which one covers more of the road around a bend.
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Change one thing when a defense fails
Replay the map after changing one placement or buying one upgrade earlier. Watch the same part of the route to see whether enemies get farther or fall sooner.