| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,410 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,741 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,439 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,636,944 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,066 |
| Word Chain - Africa | 0 | - | 4.47 | 31,662 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,148 |
| African East Coast | 0 | - | 4.96 | 96,383 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,444 |
| Famous People from Africa | 0 | - | 4.45 | 10,972 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,625 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,041 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 729,730 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,019 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,346 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,444 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,818 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,703 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,985 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,920 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,946 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,482 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,669 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,940 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,087 |
| African Great Lakes | 0 | - | 4.82 | 66,604 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 979,494 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,869 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,076 |
| African Physical Geography | 0 | - | 4.51 | 31,756 |
| Africa A-Z | 0 | - | 4.57 | 46,703 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 155,930 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,225 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,432 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,847 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,672 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,287 |
| Australian Capitals | 0 | - | 4.92 | 62,774 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,176 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,397 |
| Official European Union Languages | 0 | - | 4.97 | 239,073 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,230 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,386 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,044 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,341 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,317 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,494 |
| German Groups of Things | 0 | - | 4.46 | 38,548 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,042 |
| Asia Map Quiz | 0 | - | 4.99 | 920,548 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,574 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,634 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,307 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,918 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 241,059 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,199 |
| Geography of South Africa | 0 | - | 4.54 | 17,280 |
| History of South Africa | 0 | - | 4.60 | 17,728 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,032 |
| Word Chain - Australia | 0 | - | 4.38 | 38,182 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,000 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,769 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,817 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,887 |
| The Only European Country ... | 0 | - | 4.91 | 217,705 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,784 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,937 |
| Word Chain - Asia | 0 | - | 4.34 | 29,361 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,427 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,191 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,780 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,230 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,158 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,703 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,186 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,949 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,945 |
| Random Symbol to Element | 0 | - | 4.88 | 93,459 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,074 |
| Provinces of South Africa | 0 | - | 4.74 | 21,816 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,089 |
| Australia Map Quiz | 0 | - | 4.95 | 345,382 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,805 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,718 |
| Word Chain - South America | 0 | - | 4.51 | 23,947 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,739 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,329 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,287 |
| Celtic Nations | 0 | - | 4.69 | 47,008 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,771 |
| Word Chain - France | 0 | - | 4.38 | 42,865 |
| British Groups of Things | 0 | - | 4.25 | 82,930 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,063 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,271 |
| Countries of Africa | 0 | - | 5.00 | 2,547,508 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,106,925 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,850 |
| Fast Math - Addition | 0 | - | 4.87 | 523,810 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,872 |
| Countries with Four Letters | 0 | - | 4.99 | 423,744 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,925 |
| Random Country to Capital | 0 | - | 4.98 | 923,726 |
| Australian States and Territories | 0 | - | 4.96 | 142,350 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,384 |
| Australia True or False | 0 | - | 4.87 | 56,989 |
| Flags of North and South America | 0 | - | 4.99 | 374,797 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,750 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,462 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,207 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,383 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,655 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,797 |
| North America Map Quiz | 0 | - | 4.98 | 249,766 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,834 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,171 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,188 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,360 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,997 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,233 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,690 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,038 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,545 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,662 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,455 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,707 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,625 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,811 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,683 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,784 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,687 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,492 |
| Slavic Countries | 0 | - | 4.96 | 111,988 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,518 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,249 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,055 |
| Counties of England | 0 | - | 4.97 | 799,764 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,741 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,670 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,477 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,106 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,431 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,299 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,337 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,882 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,727 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,946 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,239 |
| Countries of the Middle East | 0 | - | 4.96 | 201,858 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,627 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,283 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,055 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,496 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,865 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,567 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,494 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,994 |
| African Island Countries | 0 | - | 4.96 | 101,961 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,688 |
| Islands by Country #1 | 0 | - | 4.90 | 175,643 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,801 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,171 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,923 |
| Countries by Emojis | 0 | - | 4.99 | 240,667 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,274 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,587 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,196 |
| Country Chain | 0 | - | 4.96 | 217,766 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,667 |
| Capital Cities Chain | 0 | - | 4.84 | 83,037 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,181 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,102 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,877 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,777 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,749 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,898 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,888 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,132 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,861 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,230 |
| Flags of Oceania | 0 | - | 5.00 | 260,949 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,467 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,039 |
| Australia Country Quiz | 0 | - | 4.43 | 69,698 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,758 |
| Regions of New Zealand | 0 | - | 4.84 | 28,614 |
| The Only American Country ... | 0 | - | 4.92 | 121,885 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 42,058 |
| Famous People from South America | 0 | - | 4.15 | 22,031 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,161 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,303 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,915 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,484 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,652 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,825 |
| American Foods | 0 | - | 3.66 | 39,412 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,665 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,374 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,932 |
| California Groups of Things | 0 | - | 4.25 | 45,602 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,499 |
