Few days ago, my game's textures glitched out, and it switched into text mode. It looked so cool that I decided to turn this bug into a feature. If you approach the computer terminal sticking out of the floor, you can enter 'Neo-N Mode' for one minute.
In this mode:
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[*] Bosses can't harm you in close combat - you can breeze through tough sections.
[*] Hidden passages in walls become visible.
[*] HOWEVER, you can't play mini-games, bring up the map, or interact with other interactive elements.
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Matrix Mode in action:
[previewyoutube=lInNWMlt_w0;full][/previewyoutube]