| German Vocabulary Mega-Challenge | 0 | - | 4.96 | 78,338 |
| German to English Country Names | 0 | - | 4.92 | 31,566 |
| Official Languages of the World | 0 | - | 4.99 | 417,299 |
| Language Names in the Language | 0 | - | 4.91 | 159,782 |
| Official UN Languages | 0 | - | 4.94 | 142,923 |
| Official Languages Spoken in the Most Countries | 0 | - | 4.95 | 197,818 |
| World Language General Knowledge #2 | 0 | - | 4.96 | 89,786 |
| World Languages A-Z | 0 | - | 4.94 | 82,201 |
| Alphabets, Scripts, or Writing Systems | 0 | - | 4.98 | 39,060 |
| Top Five Countries by Language | 0 | - | 4.96 | 48,369 |
| Random German Words | 0 | - | 4.39 | 172,829 |
| French Verbs | 0 | - | 4.88 | 84,823 |
| Countries That Speak Portuguese | 0 | - | 4.90 | 100,023 |
| Latin Phrases Used in English | 0 | - | 4.93 | 55,305 |
| Latin Words #1 | 0 | - | 4.89 | 132,269 |
| Latin Words #2 | 0 | - | 4.86 | 104,730 |
| Top Romance Languages | 0 | - | 4.47 | 44,712 |
| Five Languages with the Most Native Speakers by Continent | 0 | - | 4.44 | 62,393 |
| World Language General Knowledge #3 | 0 | - | 4.52 | 63,002 |
| World Language General Knowledge #1 | 0 | - | 4.74 | 70,949 |
| Count to 10 in Europe | 0 | - | 4.63 | 165,814 |
| Colors in Europe Quiz | 0 | - | 4.50 | 51,399 |
| European Greetings | 0 | - | 4.41 | 61,202 |
| What's That Dutch Compound Word? | 0 | - | 4.93 | 28,283 |
| Random Translations Quiz #2 | 0 | - | 4.17 | 37,541 |
| Random Translations Quiz #4 | 0 | - | 4.29 | 37,065 |
| Most Commonly-Taught Languages in the U.S. | 0 | - | 4.38 | 65,402 |
| Top World Languages on a Map | 0 | - | 4.93 | 103,049 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,447 |
| Wikipedia Languages | 0 | - | 4.97 | 127,020 |
| Languages Most Similar to English | 0 | - | 4.25 | 37,091 |
| All Romance Languages on a Map | 0 | - | 4.98 | 72,891 |
| Days of the Week in Europe | 0 | - | 4.53 | 29,805 |
| Click to Translate - Latin | 0 | - | 4.97 | 43,867 |
| All ISO 639-1 Languages with a Map | 0 | - | 4.99 | 38,663 |
| World Languages by Clue #2 | 0 | - | 4.85 | 20,509 |
| All Wikipedia Languages | 0 | - | 4.95 | 28,257 |
| Spanish Place Words | 0 | - | 4.53 | 87,847 |
| Spanish Place Names in English | 0 | - | 4.75 | 72,400 |
| Spanish Verbs | 0 | - | 4.63 | 72,300 |
| Random Spanish Words #1 | 0 | - | 4.77 | 133,632 |
| Random Spanish Words #2 | 0 | - | 4.63 | 117,397 |
| Random Spanish Words #3 | 0 | - | 4.80 | 66,274 |
| Spanish Words Widely Known by U.S. Americans | 0 | - | 4.52 | 42,024 |
| Random Italian Words | 0 | - | 4.47 | 86,750 |
| Italian Vocabulary Mega-Challenge | 0 | - | 4.54 | 42,302 |
| Most Common French Words | 0 | - | 4.44 | 43,827 |
| Random French Words #2 | 0 | - | 4.53 | 119,479 |
| French Phrases | 0 | - | 4.46 | 35,736 |
| Random French Words #1 | 0 | - | 4.52 | 179,968 |
| Random French Words #3 | 0 | - | 4.41 | 69,792 |
| Latin Words #3 | 0 | - | 4.46 | 83,613 |
| Indo-European Languages - Sudden Death | 0 | - | 4.69 | 34,504 |
| Languages - Sudden Death | 0 | - | 4.77 | 127,678 |
| French Words #1 - Click the Pictures | 0 | - | 4.93 | 49,133 |
| French Words #2 - Click the Pictures | 0 | - | 4.90 | 45,204 |
| French Words #3 - Click the Pictures | 0 | - | 4.86 | 38,248 |
| Spanish Words #1 - Click the Pictures | 0 | - | 4.84 | 52,972 |
| Random Translations Quiz #1 | 0 | - | 3.65 | 37,741 |
| Random Translations Quiz #3 | 0 | - | 4.00 | 32,883 |
| Top Five Languages by Language Family | 0 | - | 4.99 | 53,937 |
| French Vocabulary Mega-Challenge | 0 | - | 4.87 | 121,004 |
| Days of the Week in French | 0 | - | 4.69 | 29,006 |
| French Words for Places | 0 | - | 4.26 | 33,753 |
| 50 Meest voorkomende Nederlandstalige woorden | 0 | - | 4,67 | 5.598 |
| Days of the Week in Spanish | 0 | - | 4.58 | 58,350 |
| Months of the Year in Spanish | 0 | - | 4.78 | 35,009 |
| Numbers in Spanish | 0 | - | 4.44 | 85,993 |
| Common Descriptive Words in Spanish | 0 | - | 4.43 | 69,995 |
| English Words Formed by Latin and Greek Roots | 0 | - | 4.46 | 67,091 |
| Most Common Spanish Words | 0 | - | 4.40 | 30,554 |
| Spanish Antonyms | 0 | - | 4.15 | 19,607 |
| Numbers in French | 0 | - | 4.19 | 21,565 |
| French Antonyms | 0 | - | 4.13 | 22,266 |
| Spanish Words #2 - Click the Pictures | 0 | - | 4.73 | 39,981 |
| The Body in Spanish Vocabulary Words | 0 | - | 4.29 | 52,260 |
| Spanish Words for Jobs | 0 | - | 4.72 | 26,076 |
| TV Title Translation - French | 0 | - | 4.22 | 34,003 |
| World Languages by Clue #1 | 0 | - | 4.67 | 20,417 |
| Spanish Words #3 - Click the Pictures | 0 | - | 4.65 | 31,162 |
| TV Title Translation - Spanish | 0 | - | 4.14 | 12,076 |
| Rhyme Time - Spanish | 0 | - | 4.17 | 14,095 |
| Spanish Phrases | 0 | - | 3.71 | 30,430 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,980 |
| Japanese Loan Words - Click Quiz | 0 | - | 4.67 | 22,040 |
| Chinese Compound Words | 0 | - | 4.11 | 11,202 |
| Countries with the 2nd Most Speakers | 0 | - | 4.95 | 28,721 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,936 |
| Beatles Song Titles in French | 0 | - | 4.58 | 6,823 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,490 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,351 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,238 |
| English Speaking Countries | 0 | - | 4.64 | 357,217 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,815 |
| Countries by Official Language | 0 | - | 4.95 | 194,793 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,767 |
| Places in their Native Language #2 | 0 | - | 4.79 | 134,148 |
| Top World Languages | 0 | - | 4.92 | 821,183 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,740 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,145 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,610 |
| Countries in their Native Language | 0 | - | 4.99 | 198,333 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,358 |
| Random Name Translation | 0 | - | 4.52 | 42,421 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,067 |
| Official European Union Languages | 0 | - | 4.97 | 238,338 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,746 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,693 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,878 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,665 |
| Hebrew Letters Quiz | 0 | - | 4.38 | 13,773 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,620 |
| Languages of Spain | 0 | - | 4.36 | 23,305 |
| Slavic Languages | 0 | - | 4.68 | 54,319 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,454 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,547 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,301 |
| Translations of John | 0 | - | 4.53 | 27,077 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,684 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,162 |
| Language Origins of Popular First Names | 0 | - | 3.85 | 20,845 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,534 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,704 |
| Flags to Languages | 0 | - | 4.95 | 173,532 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,353 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,983 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,863 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,870 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,875 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,096 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,743 |
| Countries of the World in All Featured Languages | 0 | - | 4.99 | 35,280 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 111,674 |
| All Germanic Languages With a Map | 0 | - | 4.89 | 68,406 |
| Official and Regional Languages of Asia on a Map | 0 | - | 5.00 | 68,303 |
| Languages of the Roman Empire with a Map | 0 | - | 4.93 | 59,960 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,332 |
| Identify the Language on the World Map #1 | 0 | - | 5.00 | 59,665 |
| Identify the Language on the World Map #2 | 0 | - | 4.94 | 25,810 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,924 |
| Spanish Name Translation | 0 | - | 4.13 | 168,503 |
| Spanish Loan Words | 0 | - | 4.23 | 45,868 |
| Spanish Animal Words | 0 | - | 4.53 | 95,696 |
| Movie Titles in Spanish | 0 | - | 4.36 | 59,223 |
| Song Title Translation - Spanish | 0 | - | 4.57 | 35,811 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,616 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,478 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,807 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,091 |
| U.S. Cities with the Most Spanish Speakers | 0 | - | 4.50 | 40,272 |
| Click to Translate - Spanish | 0 | - | 4.90 | 95,077 |
| Spanish Food Words | 0 | - | 4.67 | 251,203 |
| German Loan Words | 0 | - | 4.27 | 135,769 |
| Movie Titles in German | 0 | - | 4.39 | 40,991 |
| German-Speaking Countries | 0 | - | 4.91 | 145,454 |
| Song Title Translation - German | 0 | - | 3.76 | 11,745 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,432 |
| Click to Translate - German | 0 | - | 4.83 | 70,034 |
| English Words of Italian Origin | 0 | - | 4.15 | 67,415 |
| Italian Food Words | 0 | - | 4.29 | 71,242 |
| Italian Name Translation | 0 | - | 4.82 | 46,505 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,865 |
| Click to Translate - Italian | 0 | - | 4.89 | 53,605 |
| French Phrases used in English | 0 | - | 4.16 | 46,668 |
| French-Speaking Countries | 0 | - | 4.85 | 270,347 |
| French Animal Words | 0 | - | 4.44 | 134,397 |
| French Food Words | 0 | - | 4.80 | 194,752 |
| Movie Titles in French | 0 | - | 4.02 | 40,492 |
| Song Title Translation - French | 0 | - | 4.55 | 26,887 |
| Proverbs Translated into French | 0 | - | 4.19 | 14,988 |
| Vocabulary Mega-Challenge: French Origin | 0 | - | 4.16 | 32,380 |
| Click to Translate - French | 0 | - | 4.93 | 92,220 |
| English Words of Russian Origin | 0 | - | 4.14 | 50,926 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,577 |
| Japanese Loanwords | 0 | - | 4.47 | 84,600 |
| Sushi Translation | 0 | - | 4.08 | 13,940 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,036 |
| Click to Translate - Dutch | 0 | - | 4.73 | 35,630 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,812 |
| Name that Greek Letter | 0 | - | 4.93 | 323,285 |
| Ancient Greek Words | 0 | - | 4.93 | 111,489 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,014 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,735 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,488 |
| Letters of the Greek Alphabet - Sudden Death | 0 | - | 4.96 | 49,652 |
| Southernmost Country by Language | 0 | - | 4.89 | 43,405 |
| Yiddish Loan Words | 0 | - | 4.53 | 15,924 |
