This ambigram program executes the same backward or forward, every single opcode is evaluated, and prints the letters "n e a u".
a06e a002 a018 a002 17a0 65a0 02a0 18a0
0217 a061 a002 a018 a002 17a0 75a0 02a0
18a0 0217 1702 a018 a002 a075 a017 02a0
18a0 02a0 61a0 1702 a018 a002 a065 a017
02a0 18a0 02a0 6ea0
@neauoire playing a crab canon?