What should i do?

[Jammaers]

Hi, currently in 3x3 im sub-20 and i know full PLL and most OLL, i know some COLL and WV and ZBLL, i do around 1min to do 4x4 and pyraminx i am sub-7 global average. What cube should i get now?

 

[Goosly]

5x5?

 

[shadowslice e]

Megaminx?

 

[antech101]

Skewb was always really fun for me

 

[DGCubes]

Square-1!
And Skewb!
And 5x5, 6x6, 7x7, 2x2, Megaminx, and Clock!

They're all good choices is basically what I'm saying.

 

[David Jiang]

Square-1!
And Skewb!
And 5x5, 6x6, 7x7, 2x2, Megaminx, and Clock!

They're all good choices is basically what I'm saying.

you pretty much just listed the rest of the WCA puzzles.