The was a fan-made mod focused on experimentation, not legitimate play. Its "long feature" set included:
: A popular open-source host that allows grid sizes ranging from 1x1 to 16x16 with multiple CSS skins and special merge modes. 2048 16x16 hacked 2021
Fill the entire bottom row with your largest values to prevent smaller tiles from sliding into the "protected" area during left-to-right moves. The was a fan-made mod focused on experimentation,
: Keep your highest-value tile in one specific corner (e.g., bottom-right) and never move it. bottom-right) and never move it.