Choose a difficulty level on the title screen.

In-game, click on the action icons on the bottom of the screen to make the avatar perform the specified action.

Reach the goal portal to complete the level.

Use 1-9 + 0 keys to auto-switch between levels:

Basics

Deadly Walls

Bouncy Platform

Moving Deadly Walls

Invisible Walls

Moon Gravity

Scrolling

Homing Enemies

Free Choice (not implemented in this demo)

Press R to reload the level (without the cost of any lives -- this is for debugging).

Press ESC to return to the main menu.

reference

SFX/Music from

GFX originally sourced from (some edited/adpated):

Community

exam