The End Of Time

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The End Of Time (TEOT) is a stack-based Turing-complete esolang created by Notxnorand on December 24^th 2025.

Commands

• print():

Prints to the console.

print("Hello, World!")

• if/elif/else?:

Conditional execution.

if 0? {
  print(1)
} elif 1<0? {
  print(2)
} else? {
  print(3)
}

• var:

Variable assignment.

var apples = 0

• input():

Gets input from the user

var name = input("Enter your name: ")

• push:

Pushes a value to the end of the stack

push "Username"

• pop:

Pops a value from the end of the stack

var user = pop

• reset:

Resets the timeline besides the stack

reset

• stack:

Returns the length of the stack

print(stack)

Operators

Logical

• !

Not (unary)

• &

And (binary)

• |

Or (binary)

Comparison

• ==

Equal

• !=

Not equal

• <

Less than

• >

Greater than

• <=

Less than or equal to

• >=

Greater than or equal to

Arithmetic

• +

Addition

• -

Subtraction

• /

Division

• *

Multiplication

• %

Modulo

Other

• length()
• int()
• str()
• float()

Types

• Strings:

Any string of text enclosed in quotations.

print("Hello, World!")
print('Hello, World!')
print(`Hello, World!`)

• Integers:

Any non-double numerical quantity.

print(1)
print(-19)

• Floats:

Any double numerical quantity.

print(3.14)
print(10.0)

• Booleans:

True or False

print(True)
print(False)

• Arrays:

Any list of quantities separated via commas and enclosed in brackets

print(["Abel", "Baker", "Charlie"])
print([10, 42, 726])
print(list[0])

Examples

print("Hello, World!")

var name = input("Enter your name: ")
print("Hello, " + name + "!")

var x = 5
if x > 3? {
  print("big")
} else? {
  print("small")
}

if stack? {
  print("Stack is not empty")
} else? {
  print("Stack is empty")
}

push 10
push 20
var a = pop
var b = pop
print(a)
print(b)

print("tick")
reset

if stack? {
  var n = pop
  if n == 0? {
    print("blast off!")
  } else? {
    print(n)
    push n - 1
    reset
  }
} else? {
  var n = input("Start number: ")
  push n
  reset
}

if stack? {
  print(1)
  reset
} else? {
  var x = input("Number: ")
  if x == 0? {
    print(0)
  } else? {
    push 1
    print(1)
    reset
  }
}

if stack? {
  var total = pop
  var n = input("Next number (0 to stop): ")
  if n == 0? {
    print("Total: " + total)
  } else? {
    push total + n
    reset
  }
} else? {
  push 0
  reset
}

if stack? {
  print("B")
  pop
  reset
} else? {
  print("A")
  push 1
  reset
}

Truth Machine

if stack? {
  print(1)
  reset
} else {
  var a = input("Enter 1 or 0: ")
  if a == 1 {
    push 1
    reset
  } else {
    print(0)
  }
}