Chikyū Bōeigun (Earth Defense Force)

This long-running Japanese third-person shooter series is all about large-scale, chaotic battles against invading alien forces and their swarms of giant insects, kaiju, and war machines. Originating in 2003 as part of the budget-priced Simple Series, it built a cult following through its unapologetically campy tone, massive enemy counts, destructible cityscapes, and hundreds of over-the-top weapons. Across its many mainline entries and spin-offs, the core loop stays consistent: you play as a soldier in the multinational Earth Defense Force fighting through increasingly absurd, city-flattening scenarios. While never chasing realism, the series thrives on spectacle, co-op play, and the pure joy of mowing down impossible odds with equally impossible firepower.