PICO-8 Dodge

This is my first game on PICO-8, also my first-ever game in life. It was initially a practicing demo for learning lua and PICO-8 development, so simple that you can not do anything other than move a cube. Then my friend told me that maybe I can add some random walls (it becomes bullet in the end), if the cube touches the wall, the game is over. I thought it was a good idea, so just tried to make it out. The whole process is full of fun and thinking, took me about 10 hours to get all the things d...