| Japanese Loanwords | 0 | - | 4.47 | 84,555 |
| Japanese Prefectures | 0 | - | 4.98 | 136,361 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,627 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,655 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,369 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,312 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,016 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,434 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,035 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,934 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,858 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,056 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,469 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,492 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,220 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,234 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,972 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,737 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,430 |
| States of India | 0 | - | 4.94 | 192,521 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,268 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,909 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,395 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,018 |
| Provinces of Turkey | 0 | - | 4.95 | 203,579 |
| Provinces of China | 0 | - | 4.97 | 203,366 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,615 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,270 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,136 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,170 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,048 |
| Name a Valid African Country | 0 | - | 4.98 | 153,725 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,169 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,531 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,245 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,623 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,743 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,846 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,306 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,708 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,041 |
| Italian Foods | 0 | - | 4.30 | 72,621 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,703 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,732 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,486 |
| Geography of China | 0 | - | 4.21 | 13,932 |
| Countries that Border China | 0 | - | 4.96 | 262,813 |
| Japan Country Quiz | 0 | - | 4.93 | 142,193 |
| Japanese Companies | 0 | - | 4.28 | 34,188 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,245 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,507 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,276 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,447 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,440 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,691 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,724 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,690 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,680 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,603 |
| Countries that Beat China | 0 | - | 4.86 | 115,464 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,088 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,095 |
| American Foods | 0 | - | 3.66 | 39,356 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,619 |
| Ancient Greek Words | 0 | - | 4.93 | 111,321 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,396 |
| Asian Physical Geography | 0 | - | 4.60 | 35,477 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,050 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,529 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,655 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,646 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,205 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,539 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,744 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 80,070 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,219 |
| Countries by Milk Production | 0 | - | 4.54 | 43,895 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,718 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,932 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,834 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,801 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,203 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,861 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,150 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,176 |
| German Groups of Things | 0 | - | 4.46 | 38,431 |
| British to American Food Translation | 0 | - | 3.38 | 51,943 |
| Asian Islands | 0 | - | 4.49 | 20,816 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,059 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,614 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,351 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,814 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,292 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,024 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,935 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,742 |
| Middle East A-Z | 0 | - | 4.47 | 45,970 |
| Geography of Egypt | 0 | - | 4.60 | 21,488 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,463 |
| Dynasties of China | 0 | - | 4.64 | 27,816 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,337 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,135 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,237 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,234 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,893 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,592 |
| History of India | 0 | - | 4.61 | 21,394 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,401 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,400 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,032 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Word Chain - Australia | 0 | - | 4.38 | 38,109 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,711 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,306 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,556 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,456 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,521 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,985 |
| Official European Union Languages | 0 | - | 4.97 | 238,086 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,590 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,605 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,433 |
| French Foods | 0 | - | 4.00 | 27,665 |
| Word Chain - France | 0 | - | 4.38 | 42,734 |
| Mediterranean Foods | 0 | - | 3.80 | 11,433 |
| British Groups of Things | 0 | - | 4.25 | 82,830 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,015 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,048 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,872 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,157 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,713 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,672 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,175 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,374 |
| Asia Map Quiz | 0 | - | 4.99 | 914,265 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,658 |
| A Quiz About Islam | 0 | - | 4.31 | 48,393 |
| History of Iran | 0 | - | 4.66 | 16,338 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,098 |
| Countries That Don't Recognize Israel | 0 | - | 4.67 | 34,740 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,865 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,717 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,525 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,953 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,473 |
| Chinese Inventions | 0 | - | 4.30 | 33,780 |
| History of China | 0 | - | 4.37 | 57,031 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,368 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,344 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 55,616 |
| China Multiple Choice | 0 | - | 4.50 | 37,254 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,912 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,934 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,410 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,669 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,269 |
| Countries that Beat India | 0 | - | 4.41 | 62,856 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,740 |
| Countries of Africa | 0 | - | 5.00 | 2,529,351 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,861 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,072 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,578 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,617 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,369 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,974 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,052 |
| African East Coast | 0 | - | 4.96 | 95,791 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,128 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,594 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,615 |
| African Island Countries | 0 | - | 4.96 | 101,404 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,024 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,115 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,264 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,437 |
| Australian States and Territories | 0 | - | 4.96 | 141,673 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australia Map Quiz | 0 | - | 4.95 | 343,790 |
| Australia True or False | 0 | - | 4.87 | 56,756 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,381 |
| Flags of North and South America | 0 | - | 4.99 | 371,777 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,504 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,070 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,255 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,114 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,395 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,278 |
| North America Map Quiz | 0 | - | 4.98 | 247,575 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,638 |
| California Groups of Things | 0 | - | 4.25 | 45,413 |
| New York Groups of Things | 0 | - | 4.38 | 62,931 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,403 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,734 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,167 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,061 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,025 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,694 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,570 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,785 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,353 |
