BRANE™: Prototype is a short free innovative 2D indie puzzle game for Windows and Linux. With mind-bending particle mechanics and 16 challenging but fair levels, BRANE™ is guaranteed to at least temporarily make you forget that you will die.
"I love BRANE™ !"
~My girlfriend (that exists)
Features:
16 levels
2 kinds of particles
Will not teach you anything about real life physics
No pixelart
Retro-stylized graphics (but actually fake because no pixelart)
Two modes of manipulating objects: pushing and pulling (one more then your mom has)
Interesting gameplay with fun gimmicks
Erm, has an options menu I guess
Linux support (I know its literally in the first sentence but maybe you forgot by now)