ONaR: Sierpinski

Controls:
C to enter/exit cams
1-6 to change camera
Q and E to shut doors
R to switch barricade between cam 1 and 2
F to repair barricade
SPACE to flash any cam
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A bonus challenge night for One Night at Rectangle. The night goes by a rigid cycle, testing memory, speed, and nerve control.
It also has some changes from the original game, allowing for overall faster gameplay.
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Tips:
The top trio is active from the start of the night, and acts like Triangle from the original game. Memorize their directions and block them with the barrier.
The bottom-right trio is active starting at 2 A.M. They will constantly appear in your office, so remember to close the doors when you have time.
The bottom-left trio is active starting at 4 A.M, replacing every third attack from the top trio. Find them on the cameras and flash them, but don't forget to close the doors.