Eagle-eyed Nintendo fans have spotted a secret message hidden inside the Switch's Pro Controller.

The Pro Controller is made of translucent black plastic, but you'll still need to tilt its right-hand analogue stick to make out a string of tiny lettering, etched onto the controller's innards:

Credit to the discovery is being given to reddit user Tropiux, who also posted these photos (thanks, Kotaku):

switchのproコンの右スティック周りの透明な部分から見える奥の方に
「thx2 allgamefans!」（すべてのゲームファンに感謝！）て書いてある…#nintendoswitch pic.twitter.com/2oHfShIw5w

— じお@ゴードン・フリーマン (@geo_stream) March 3, 2017

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Nintendo recently hid another secret message within its NES Mini microconsole, although then it was a greeting to hackers and was within the system's code.