Incomplete walkthrough of Px (Version 1.0).
Effects Guide
Cloud
Step into the (left) blue square. Go straight to the left and interact with the n-shaped blue object.
Star
Step into the blue square. Go north-west to a patch with three arrows and step on the arrow on the right. Interact with the long purple object south-west of you.
Petunia
Step into the (left) blue square. Go north-west to a patch with three arrows and step on the arrow on the right. Go down and interact with the small white-and-blue object. Go up once then left once and interact with the second small white-and-blue object.
Juniper
Step into the (top) green square. Go north-east and interact with the green cross. Go south-west and interact with the 4-pointed star shaped object.
Coral
Step into the (right) red square. Go south-east and interact with the red diamond-shaped spiral.
Sand
Step into the (bottom) yellow square. Go slightly south-west and interact with the light circle in the middle of a large dark patch.
Endings Guide
Ending 1
.
Ending 2
.