What type of online games would help an autistic child learn?

Basically i am doing a project in which I am to design games which will help a autistic boy aged 10 learn certain topics. It could be a counting game, puzzle etc.What type of online games would help an autistic child learn?
http://www.dotolearn.com/games/howmany/i鈥?/a>

http://www.dotolearn.com/games/whatcolor鈥?/a>

http://www.dotolearn.com/games/facialexp鈥?/a>

http://www.dotolearn.com/games/feelingsg鈥?/a>

http://www.dotolearn.com/games/dragndrop鈥?/a>

http://www.dotolearn.com/games/createaro鈥?/a>

http://www.dotolearn.com/games/synonymsa鈥?/a>

http://www.dotolearn.com/games/whatsdiff鈥?/a>

http://www.dotolearn.com/games/wordpairs鈥?/a>

http://www.dotolearn.com/games/Sing-A-Lo鈥?/a>