Problem Solving: Egg Drop

http://www.kongregate.com/games/Eggy/the-egg

In this physics based game you must get the egg into the basket quite simply by dragging around the various objects to bounce, twang, zip and push your egg into it.

Filler: math/geometry/visual puzzles

Grow your own lovely balls, Fill your space. Don't touch little balls while you're growing! You can move while growing to avoid them. But with every level, there's more of the little brats...

Phit: strategy/geometry/task processing

fit ("Phit") shapes into a space

also available via Coolmath.com

Count Cubes: math/critical thinking

Count the Cubes, via Coolmath Games



Game Instructions:

Count the number of cubes you think there are and input the number by clicking the number buttons.

Be careful... There could be cubes that you can't see!

Super Stacker 2: physics/strategy/problem solving

Super Stacker 2, via Kongregate: fun stacking game



Click to place the shapes. Don’t let them fall off the screen! Your stack must survive 10 seconds or until the shapes feel happy that they won’t fall.

Right click for sound options.

World of Goo: physics simulation

World of Goo is a physics based puzzle / construction game. The millions of Goo Balls who live in the beautiful World of Goo don't know that they are in a game, or that they are extremely delicious.

Jellyblocks: visual process strategy puzzles

Jellyblocks

http://www.addictinggames.com/jellyblocks.html

Description: Sticky blocks in sticky situations. Make just the right moves to get these blocks to stick together.

Untangle: unravel angles

Untangle, via Addicting Games

http://www.addictinggames.com/untangle.html

Click on a vertex to grab and drag it--when all the lines are no longer crossing, you've completed the puzzle.

Free, online, multiple levels, no language