World A

World A is the first world in the game there is currently 1200 levels As of February 2019 there are 8 types of levels.

first circle level 1

first shamrock level 3

first star level 4

first hexagon level 5

first triangle level 6

first swirl level 7

first crescent level 8

first heart level 258

only infite square level infinity

Trivia

 * When the game came out this world was not a world until world b came out.
 * the world only had 251 levels on the initial release and heart levels weren't out at the time.