Press "Remix," then fill in the tiles with other tile colors. Do: Add "gimmick" tiles to make the level interesting Don't: Remove or add tiles to the board. If you want to block off a tile, use a Wall tile. Optional: Create your own tile with an interesting gimmick and unique color. This is NOT the final art for the tiles.
the idea is simple: it's not fair. the map is designed so that the enemy has a clear advantage over you and to keep the fight longer and longer