This is a recreational programming language, very minimalistic, that doesn't yet have any kind of loops, and which is only meant to solve easy tasks.
"Hello, World!" program:
....... .......
...... ......
..... .....
.... ....
... ...
.. ..
. .
"Hello, World!"
Or, much shorter:
.... ....
..."!"...
.."rld"..
."o, Wo".
"Hell"+++
Fun fact: Valid Triangularity programs must have the character count listed in OEIS A056220 (except for -1), otherwise you are probably doing something wrong.
The documentation is in the wiki. If you have questions, encounter problems, spot bugs or want to request features, please ping me (@Mr.Xcoder) in its dedicated chatroom (SE chat).