auto destroy
The sprite is removed once it leaves the screen, so old ones do not pile up. Sprites › set flag.
rock.setFlag(SpriteFlag.AutoDestroy, true)
Final challenge: Space dodger: cheat sheet
Arcade Foundations · Find each block in the MakeCode toolbox (the category is at the end of each line).
high score
The best score so far in this browser. The game over screen shows it by itself. Info.
info.highScore()