Chrome //
Extensions 
Chrome
Web store
select chrome_id_no,plugin_tag_line,plugin_name,plugin_icon,sitemap_url,oldvsnew_comment from final_chrome_totaldata_sept2022 where MATCH(plugin_name) AGAINST('+problems +due' IN Boolean MODE) order by users desc
Usability Hike: Find usability problems
Test web pages against common usability problems that make them hard to use.
SPOJ Problems Score
A chrome extension to display the score of a problem on spoj.com on the problem page itself
Maths Solving Problems Education Game
You have to solve all math operations correctly before your time runs out, if you do wrong, your time will be reduced.
Math Marathon Word Problems
Math Marathons is a Marathons of Math Word Problems, Here the kids from 1st to 5th grade can run the different Marathons.
Classroom Math Word Problems 2
More than 400 builtin math word problems. Create you own content for the classroom assignments or homeworks!
Princess Adolescence Problems
Click on the extension icon to play Princess Adolescence Problems Game on Google Chrome