| Japanese Prefectures | 0 | - | 4.98 | 136,499 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,747 |
| Provinces of China | 0 | - | 4.97 | 203,612 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,755 |
| Japan Country Quiz | 0 | - | 4.93 | 142,245 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,724 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,836 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,893 |
| Japanese Companies | 0 | - | 4.28 | 34,191 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,918 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,365 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,477 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,508 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,228 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,288 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,038 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,774 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,448 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,352 |
| Country Chain | 0 | - | 4.96 | 216,836 |
| Capital Cities Chain | 0 | - | 4.83 | 82,522 |
| States of India | 0 | - | 4.94 | 192,718 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,297 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,959 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,740 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,416 |
| Provinces of Turkey | 0 | - | 4.95 | 203,723 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,654 |
| Word Chain - Australia | 0 | - | 4.38 | 38,122 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,521 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,995 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,614 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,728 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,640 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,216 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,699 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,373 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,748 |
| Word Chain - France | 0 | - | 4.38 | 42,748 |
| Word Chain - Asia | 0 | - | 4.34 | 29,307 |
| Word Chain - The Middle East | 0 | - | 4.00 | 15,038 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,501 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,967 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,437 |
| Chinese Inventions | 0 | - | 4.30 | 33,785 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,377 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,350 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,897 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,520 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,459 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,727 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,614 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,484 |
| Japanese Loanwords | 0 | - | 4.47 | 84,576 |
| Sushi Translation | 0 | - | 4.08 | 13,937 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,930 |
| Word Chain - Russia | 0 | - | 4.33 | 15,739 |
| Word Chain - Germany | 0 | - | 4.31 | 22,566 |
| Word Chain - Italy | 0 | - | 4.07 | 23,150 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,328 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,437 |
| Asian Physical Geography | 0 | - | 4.60 | 35,483 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,056 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,532 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,681 |
| Famous Chinese People | 0 | - | 4.09 | 11,868 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,654 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 58,890 |
| Famous People from Africa | 0 | - | 4.45 | 10,939 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,942 |
| Word Chain - Africa | 0 | - | 4.47 | 31,591 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,110 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,864 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,504 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,214 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,873 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,164 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,190 |
| German Groups of Things | 0 | - | 4.46 | 38,444 |
| Asian Islands | 0 | - | 4.49 | 20,821 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,080 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,635 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,367 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,828 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,308 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,040 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,956 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,772 |
| Middle East A-Z | 0 | - | 4.47 | 45,977 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,566 |
| Dynasties of China | 0 | - | 4.64 | 27,841 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,149 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,554 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,490 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,467 |
| History of India | 0 | - | 4.61 | 21,401 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,118 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,809 |
| Australian Capitals | 0 | - | 4.92 | 62,699 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,013 |
| Official European Union Languages | 0 | - | 4.97 | 238,182 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,646 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,621 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,898 |
| Asia Map Quiz | 0 | - | 4.99 | 914,836 |
| A Quiz About Islam | 0 | - | 4.31 | 48,403 |
| History of Iran | 0 | - | 4.66 | 16,342 |
| Countries That Don't Recognize Israel | 0 | - | 4.67 | 34,765 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,974 |
| History of China | 0 | - | 4.37 | 57,070 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,615,358 |
| NBA Basketball Word Chain | 0 | - | 4.20 | 37,839 |
| South Korea Country Quiz | 0 | - | 4.79 | 79,410 |
| Countries of Africa | 0 | - | 5.00 | 2,530,955 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,646 |
| African East Coast | 0 | - | 4.96 | 95,853 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,657 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,037 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,496 |
| Australia Map Quiz | 0 | - | 4.95 | 343,886 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,721 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,314 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,560 |
| Word Chain - South America | 0 | - | 4.51 | 23,876 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,427 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,332 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,816 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,589 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,600 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,026 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,620 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,884 |
| The Only European Country ... | 0 | - | 4.91 | 216,052 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,811 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,768 |
| British Groups of Things | 0 | - | 4.25 | 82,839 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,022 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,055 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,886 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,171 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,727 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,687 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,188 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,495 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,717 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,694 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,675 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,475 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,549 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,106 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,870 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,723 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,542 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,645 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,686 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,157 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,849 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,211 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,258 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,950 |
| Countries with Four Letters | 0 | - | 4.99 | 421,632 |
| Random Symbol to Element | 0 | - | 4.88 | 92,939 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,300 |
| Random Country to Capital | 0 | - | 4.98 | 918,622 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,224 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,276 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,685 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,282 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,753 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,886 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,518 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,704 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,418 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,037 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,109 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,222 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,734 |
| African Island Countries | 0 | - | 4.96 | 101,455 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,104 |
| Australian States and Territories | 0 | - | 4.96 | 141,714 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,237 |
| Australia True or False | 0 | - | 4.87 | 56,785 |
| Flags of North and South America | 0 | - | 4.99 | 372,094 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,523 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,108 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,400 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,618 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,879 |
| North America Map Quiz | 0 | - | 4.98 | 247,816 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,664 |
| California Groups of Things | 0 | - | 4.25 | 45,428 |
| New York Groups of Things | 0 | - | 4.37 | 63,190 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,412 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,505 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,313 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,054 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,803 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,514 |
| Celtic Nations | 0 | - | 4.69 | 46,910 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,580 |
