LOAD "*",8,1
The curious will wonder what else can be done in BASIC? Or what if you don't have any games you want to play? It usually starts from there. This generation of Commodore computers has an excellent beginner's programming guide [0] in the box. Want to change the colors on the screen, or make a sound? The manual shows you what values to POKE into memory to make that happen.The Programmers' Reference Guide [1] has a good introduction to assembly and machine language, if you want to go deeper.
[0] https://archive.org/details/Commodore_64_Users_Guide_1982_Co...
[1] https://archive.org/details/Commodore_64_Programmers_Referen...
[2] https://archive.org/details/commodore-1541-disk-drive-users-...