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Unstoppable
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Unstoppable is a two-dimensional esolang by User:ChuckEsoteric08. Name comes from the lack of NOPs.
Description
The language has a stack and a program on an infinite repeating grid
0and1- push a corresponding digit to the stack*- pop a number and if it was 1 change the direction clockwise, if it was 0 do nothing
After every command is executed stack is reversed. Other characters are not allowed.
Compuational class
Unstoppable is Turing-complete, as it is posible to compile Stack machines with "reverse the stack" instruction and Cyclic tag system into it. User:PkmnQ provides a way on the talk page to compile 2D language with two stacks into it proving so.