The game is set in 1959, a caricature of Cold War-era America.
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Note for Emulator Users (Ryujinx / Yuzu): The same NSP update works. Install it via Emulator → File → Install File to NAND.
If you own a legitimate physical cartridge or digital license and are using a custom firmware (CFW) Switch (Atmosphere, SX OS, or Ryujinx/Yuzu emulators), follow these steps:
For fans of the alien invader genre, the update transforms the Switch port from a technical curiosity into a genuinely fun way to vaporize farmers on the bus or train.
This update is essential for anyone running the game via custom firmware (CFW) on a Switch, as it bridges the gap between the buggy launch version and a more stable 30 FPS experience.