Resizer

Game Description
Shrink and grow to overcome obstacles and reach the exit portal!
How to Play
Keyboard: Press "enter" or "space" to start. Use the left and right arrow keys to move characters back and forth. Use the up arrow to jump. Press R to reset the level. Press B to return to the previous screen.
Touch: Use the onscreen buttons to control your characters.
Enter the green and red portals to shrink or expand. Grow bigger when you need to jump higher or push larger boxes. Shrink to fit through small gaps. Alternate between big and small to get past the obstacles reach the purple portal.
Tags
puzzle, platformer
Skills
problem solving, perseverence, handling complexity, trial and error, testing ideas