| Japanese Prefectures | 0 | - | 4.98 | 134,663 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,135 |
| Provinces of China | 0 | - | 4.97 | 200,208 |
| Japan Country Quiz | 0 | - | 4.92 | 141,297 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,204 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,152 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,547 |
| Japanese Companies | 0 | - | 4.28 | 34,086 |
| Four Main Islands of Japan | 0 | - | 4.52 | 26,778 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,244 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,333 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,332 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,160 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,710 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,800 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,181 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,254 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,177 |
| States of India | 0 | - | 4.94 | 190,239 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,008 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,362 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,820 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,006 |
| Provinces of Turkey | 0 | - | 4.95 | 201,132 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,380 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,970 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,562 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,304 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,231 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,927 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,202 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,602 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,288 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,215 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,951 |
| Word Chain - Asia | 0 | - | 4.34 | 29,222 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,318 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,092 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,806 |
| Chinese Inventions | 0 | - | 4.30 | 33,724 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,307 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,199 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,433 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,005 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,169 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,278 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,460 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,925 |
| Japanese Loanwords | 0 | - | 4.47 | 84,362 |
| Sushi Translation | 0 | - | 4.08 | 13,902 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,573 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,314 |
| Asian Physical Geography | 0 | - | 4.61 | 35,373 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,932 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,427 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,298 |
| Famous Chinese People | 0 | - | 4.09 | 11,802 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,535 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,929 |
| Famous People from Africa | 0 | - | 4.45 | 10,859 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,811 |
| Word Chain - Africa | 0 | - | 4.47 | 31,442 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,878 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,456 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,182 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,000 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,628 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,955 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,992 |
| German Groups of Things | 0 | - | 4.46 | 38,308 |
| Asian Islands | 0 | - | 4.49 | 20,766 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,834 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,399 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,169 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,573 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,085 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,908 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,725 |
| Middle East A-Z | 0 | - | 4.47 | 45,794 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,320 |
| Dynasties of China | 0 | - | 4.63 | 27,622 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 57,959 |
| Astronomy Decoder | 0 | - | 4.50 | 37,851 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,269 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,257 |
| History of India | 0 | - | 4.61 | 21,288 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,678 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,478 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Word Chain - Australia | 0 | - | 4.37 | 38,015 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,595 |
| Official European Union Languages | 0 | - | 4.97 | 236,776 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,716 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,282 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,825 |
| Asia Map Quiz | 0 | - | 4.99 | 907,222 |
| A Quiz About Islam | 0 | - | 4.31 | 48,213 |
| Word Chain - The Middle East | 0 | - | 4.00 | 14,975 |
| History of Iran | 0 | - | 4.65 | 16,272 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,454 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,681 |
| History of China | 0 | - | 4.37 | 56,700 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,730 |
| South Korea Country Quiz | 0 | - | 4.79 | 78,947 |
| Countries of Africa | 0 | - | 5.00 | 2,508,610 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,835 |
| African East Coast | 0 | - | 4.96 | 95,077 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,951 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,981 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,819 |
| Australia Map Quiz | 0 | - | 4.94 | 342,542 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,615 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,201 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,475 |
| Word Chain - South America | 0 | - | 4.51 | 23,767 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,199 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,267 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,190 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,221 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,058 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,374 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,406 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,618 |
| The Only European Country ... | 0 | - | 4.91 | 213,919 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,594 |
| Word Chain - France | 0 | - | 4.38 | 42,585 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,574 |
| British Groups of Things | 0 | - | 4.25 | 82,681 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,928 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,705 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,998 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,523 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,504 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,020 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,433 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,519 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,500 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,502 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,457 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,158 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,493 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,028 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,726 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,611 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,380 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,596 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,256 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,222 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,162 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,266 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,078 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,836 |
| Countries with Four Letters | 0 | - | 4.99 | 418,613 |
| Random Symbol to Element | 0 | - | 4.88 | 92,232 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,309 |
| Random Country to Capital | 0 | - | 4.98 | 911,806 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,877 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,228 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,103 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,430 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,075 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,652 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,444 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,588 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,650 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,598 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,299 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,516 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,153 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,497 |
| African Island Countries | 0 | - | 4.96 | 100,810 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,693 |
| Australian States and Territories | 0 | - | 4.96 | 140,928 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,024 |
| Australia True or False | 0 | - | 4.87 | 56,517 |
| Flags of North and South America | 0 | - | 4.99 | 367,446 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,164 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,182 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,262 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,378 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,991 |
| North America Map Quiz | 0 | - | 4.98 | 244,534 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,382 |
| California Groups of Things | 0 | - | 4.25 | 45,277 |
| New York Groups of Things | 0 | - | 4.38 | 59,945 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,247 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,024 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,124 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,634 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,505 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,180 |
| Celtic Nations | 0 | - | 4.69 | 46,818 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,022 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,730 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,312 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,402 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,488 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,867 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,893 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,993 |
