Tower defense games - simple tactical battles played out in real-time where you attempt to build a range of strategic roadblocks and turrets to guard against onrushing hordes - are hugely popular on home PCs. Plant This!, which despite its general lack of polish, comes correct where it counts most: Furiously addictive play. Capable of taxing both one's wits and reflexes, it's a great way to kill 15 minutes here and there without having to shift your brain completely into neutral.
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