CONTROLS :

Moving Around !

Use the (↑) (↓) (←) (→) Arrow Key to move around the cube. you can invert the control in the option menu.

Selecting / Unselecting faces !

Use Z/X to select a face, the selected face will be Highlighted and 3 move option will appear. Use Z/X again to unselect the face.

Rotate faces !

Once you have selected a face, Use the Arrow Key to rotate the face. Use the (←) Arrow Key to turn 90° counter clockwise Use the (→) Arrow Key to turn 90° clockwise Use the (↑) and (↓) Arrow Key to turn 180°

Option Menu !

Press C/V to open the option menu in-game. the option menu will also appear at the start of the game. Use the (↑) and (↓) Arrow Key to navigate in the menu. (←) (→) C/V and Z/X will interact with what's in the menu. 

RUBIKS'S CUBE RULES :

Rubik's Cube is a popular 3D puzzle game that was invented by Ernő Rubik, in 1974. The cube consists of six faces, each with nine colored squares, which can be twisted and turned to create different combinations. The goal of the game is to solve the puzzle by aligning all the squares of each face with the same color. The Rubik's Cube has become a worldwide phenomenon and is enjoyed by people of all ages and skill levels.

BEHIND THE SCENES :

all my behind the scene are on Lexaloffle forum

CREDITS :

Gruber Pico-8 Tunes Vol.1
p01 Triangle rasterizer
freds72 thick line routine
drakeblue Printing Outlined Text
Lua easing Library