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.

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

Blox: visual strategy puzzles

http://www.smart-kit.com/games/blox/

click on the blue boxes to change the direction arrows