Add spaces: Catchthebluesquaresanddodgetheredballs.Simplegraphicsandgoodtimewaster.

Answer: Catch the blue squares and dodge the red balls. Simple graphics and good time waster.

Add spaces: ThislinktoAlexandriawasimportantbecauseitrequiredfrequentcommunicationbetweentheNubiankingdomsandAlexandria.ArabinvadersconqueredEgyptin640andsoonattemptedunsuccessfullytoconquertheNubiankingdoms.

Answer: This link to Alexandria was important because it required frequent communication between the Nubian kingdoms and Alexandria. Arab invaders conquered Egypt in 640 and soon attempted unsuccessfully to conquer the Nubian kingdoms.

Add spaces: Aftertwoeighthplaces“flew”JanandHanneswiththeirdoubletrapezeplaningdinghyintheafternoonbutstillonthethirdandfourthplacesandimprovedthebestcrewDSVintwelfthplaceafteralloftheintermediatestandings(42,0).

Answer:
After two eighth places “flew” Jan and Hannes with their double trapeze planing dinghy in the afternoon but still on the third and fourth places and improved the best crew DSV in twelfth place after all of the intermediate standings (42,0).