Room Builder (Standard 16×16 Grid)

Grid cells: 16×16px on a standard square grid.
PNGs are drawn untransformed with pixel-perfect placement.

Floors
Blocks
Controls
• Click to place the selected floor/block.
• Right-click to erase the floor + block at a cell.
• Exit mode lets you place exits on the grid or just outside its edges.
• Images are drawn with no skewing or clipping.