There are several secret codes in the Baldi's Basics series except for Baldi's Basics Plus to enable secrets by typing the numbers with keyboards or clicking on the number pads while using the You Can Think Pad.
Causes everything (except for HUDs) to appear upside down. In Baldi's Basics Birthday Bash, the player can find Null by entering this code, because it teleports them from the glitched school to the lower floor.
Activates/Deactivates Debug Mode. (After unlocking NULL Style and finding secret endings in all three styles)
Find all the secrets first!
N/A (If the player did not meet the condition to unlock the code)
Trivia[]
General[]
This feature was first introduced in V1.4.1 for Baldi's Basics Classic.
Classic/Birthday Bash[]
The 31718 code, along with the You Can Think Pad's corresponding result message, is a reference to the actual date where mystman12 began developing Baldi's Basics Classic - March 17th, 2018 (3/17/18).
The 53045009 code is "GOOSHOES" upside down. The "goo shoes" is a reference of the Slime Shoes in the 90s.
Baldi's Basics Classic Remastered[]
After the player enters the secret code in Hard Mode, even if they get caught by Baldi while using You Can Think Pad, the code still works. The only exception is 04281989 code.
The 10181996 code is a reference to the release date of Sonic's Schoolhouse - October 18th, 1996 (10/18/1996).
The 04281989 code is a reference to the release date of Black Knight 2000 - April 4, 1989 (04/28/1989).
The 11211994 code is a reference to the release date of Donkey Kong Country in the United States - November 21, 1994 (11/21/1994).
The 09241993 code is a reference to the release date of Myst on macOS in the United States - September 24, 1993 (09/24/1993).
Prior to V1.0.2, the 09241993 would work even if NULL Style was not unlocked and all secret endings were not discovered yet.