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Defend all three of your Towers in this upgraded Tower Defense! Build and upgrade your army and defensive turrets though 6 different boards, on any of 4 difficulties. Now even more Strategies you can use in your Tower’s Defense!
Controls
P or Space – Pause
Z, X, C – Switch the start position of soldiers
Additional instructions available in game
Release date
2008-02-18
Alt titles
Strategy Defense 4
Source
https://armorgames.com/play/852/strategy-defense-4