Ultimate Level Builder

 
This game allows you to create incredible 2D platforming levels and share them with the world! Build tricky obstacle courses, crazy contraptions, or even longer adventure-style levels. The choice is yours!
Features

Make all sorts of levels, big or small!
Select from 13 different level theme options to suit your mood.
Hundreds of blocks, enemies, and objects to place in each level.
Decoration blocks and sloped ground tiles to create more detailed environments.
Several powerups including upgrades to the player’s armor and jump height.
Place blocks in the foreground and background.
Add a sub-area to your levels.
Electricity can be conducted by metal blocks to power pistons and more.
Dynamic fire spreading (wooden blocks can burn, and ice blocks melt!)
Create world maps to compile your levels into a story or adventure!
Share your levels and world maps online, and download those uploaded by other players.
Tackle the classic challenge mode to unlock cool new hats to wear!

 
Controls (In Level Editor)

Move Camera: WASD or Arrow Keys
Zoom In/Out: Mouse Scroll
Place Blocks: Left Mouse Button
Eraser: Right Mouse Button
Edit Object: Middle Click
Open Item Menu: E
Copy Tool: C
Paste Tool: V
Test Level from Start: ENTER
Test level from current position: Right Shift

 
Controls (While Playing a Level)
Note: Controller support is planned for a future update. Controller will likely work for playing levels only, not for editing levels.

Move: WASD or Arrow Keys
Jump: SPACE
Use Powerup/Activate: X or N
Use Bomb: C or M
Pause: ESCAPE