Squares
■
□
▣
▤
▥
▦
▧
▨
▩

other 4 sided shapes
▱
▀
▁
▂
▃
▄
▅
▆
▇
█
▉
▊
▋
▌
▍
▎
▏
▐
░
▒
▓
▔
▕
▖
▗
▘
▙
▚
▛
▜
▝
▞
▟

Triangles
△
▵
►
▼
▽
◄

Circles
●
◑
◕

Half Circle
◠

To only format a certain section of text, simply put the same formatting code at the end of the section and put a / before it (i.e. <b> text </b>)

<b> = Bold text
<i> = Itallic Text
<s> = Strikethrough text
<u> = Underlined text
<color=x> = Colored text (Replace x with either a color name (i.e Red, Green, Blue) or a hex code (i.e. #E57373)) (Text wont be effected by themes if this is used)
<alpha=#XX> = Transparency (replace XX with a hex code)
<cspace=x> = distance between letters (replace x with a number)
<align=x> = Aligns text (replace x with left, middle, or right)
<uppercase> = forces all text to be uppercase
<lowercase> = Forces all text to be lowercase
<smallcaps> = Forces all text to be uppercase but all letters are smaller
<size> = changes text size.
<br> = Causes a line break
<pos=x> = Changes text position (replace x with a number)
<space=x> = Same as <pos>
<voffset=x> = Vertical Offset of text (replace x with a number)
<sub> = Subscript
<sup> = Superscript
<mark=#XXXXXXXX> = Marker (Replace Xs with a hex code. the last to Xs will effect transparency)
<font="LiberationSans SDF"> = Changes font from Inconsolata to Liberation Sans SDF (there are no other fonts)
<rotate=X> = Rotates text (replace X with a number, can be a decimal)

<sprite=0> = Vitamin Games logo
<sprite=1> = Project Arrhythmia Logo but with Trans Flag Colors
<sprite=2> = Project Arrhythmia Logo
<sprite=3> = The Sad Cube Friend from Just Shapes and Beats (note - the eyes and mouth are transparent and not black)
<sprite=4> = An image of A-tan
<sprite=5> = One of lily's (the dev of the game) profile pictures.

Thanks to Enchart of creating a video showcasing formatting and sprites
https://www.youtube.com/watch?v=La6cTF2MiQc

Thanks to YanniZ06 for creating the list of unicode characters.