You may like Warcraft III: Reign of Chaos. It's a bird's eye view RTS from 2002 for the PC, but it's not available on Steam.
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{"name": "Warcraft III: Reign of Chaos", "release_year": "2002", "genres": "real-time strategy", "player_perspective": "bird view", "platforms": "PC", "available_on_steam": "no", "intention": "inform"}
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