According to an aspect of the disclosure, a game providing method is provided. The game providing method includes: displaying a game interface comprising a plurality of blocks; detecting a first interaction on a first block among the plurality of blocks; specifying the first block as a trigger block in response to the first block; detecting a second interaction on a second block adjacent to the first block; and performing, based on characteristic of the second interaction, either one of switching positions between the first block and the second block, and specifying the second block as the trigger block.