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A puzzle game where you push BlockZ (yellow circles) where they belong (black circles). 100 levels with increasing difficulty.
You need Java to run this: www.java.com
Java Applets are no longer supported by browsers, so you need to run this in appletviewer that's included with Java. Example command:
>appletviewer https://www.theorin.net/Stuff/applets/blockz.php?menu_op=show&menu_name=MenuHandler_7