Level name:
Author?:
Author comment?:
Use the mouse to place the start position in the level.
Press escape, backspace, or delete to cancel this action.
Left-click to quickly place a functional flagpole in the level. (You can remove flagpoles with the regular eraser.)
The red bars show where the camera will pan to; keep it within the level bounds, or your exit will be ugly.
Press escape, backspace, or delete to cancel this action.
Click and drag to move the camera.
Tip: Use the middle mouse button to move the camera while using any tool!
Left and right-click to zoom in and out.
Toggle the primary mode:
Tip: Use the scroll wheel, or Ctrl+minus and Ctrl+plus, to zoom in and out while using any tool!
Left-click to draw, right-click to erase.
Select a tyle by clicking on it below:
TyleID:
Click and drag to select a rectangle of tyles. Drag a selection to move it around. Hold shift while dragging to smear.
Use Ctrl+X, Ctrl+C, and Ctrl+V to cut, copy, and paste. Right-click with a selection active to quickly duplicate it.
Click on a tile to sample it.
Tip: Use Ctrl+left-click to sample a tile while using any tool!
Choose a warp to create:
Use the mouse to place the warp in the level. You may not place a warp over existing geometry.
Press escape, backspace, or delete to cancel this action.
Entry X:
Entry Y:
Use the mouse to place the warp exit in the level.
Press escape, backspace, or delete to cancel this action.
Move the mouse to see the visible region in-game from a specific position in the level.
Level text (read only):
MarioFlashHammer - for building, viewing, and editing Super Mario Flash levels
Version 1.0 (12/7/2025)
For questions, suggestions, or bug reports, contact me.