Set the
- size and maximum size of the square
- count of different colors
Further you can set the
- timer before a new line spawns
- incremental decrease of consecutive timers
- and where these lines will be added
At last you can set
- count of locked blocks
- a rotationspeed of the square
- minimum number of blocks that are required for a complete line
and then play this setup for as long as you like
Chose your prefered level. From pretty simple like 5x5 with 3 colors or slightly more challanging 8x8 with 8 colors.
Find your sweetspot and stay there as long as it's fun.