| African Countries by First 2 Letters | 0 | - | 4.96 | 269,007 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,490 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,643,115 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,333 |
| Word Chain - Africa | 0 | - | 4.47 | 31,683 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,209 |
| African East Coast | 0 | - | 4.96 | 96,523 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,465 |
| Famous People from Africa | 0 | - | 4.45 | 10,979 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,887 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,264 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 736,920 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,051 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,485 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,668 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,900 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,162 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,241 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,627 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,133 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,017 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,073 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,335 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,171 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,702 |
| African Great Lakes | 0 | - | 4.82 | 66,760 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 980,747 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,247 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,413 |
| African Physical Geography | 0 | - | 4.51 | 31,779 |
| Africa A-Z | 0 | - | 4.57 | 46,733 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 156,203 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,600 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,455 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,893 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,682 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,329 |
| Australian Capitals | 0 | - | 4.92 | 62,801 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,267 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,545 |
| Official European Union Languages | 0 | - | 4.97 | 239,384 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,413 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,442 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,096 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,394 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,362 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,074 |
| German Groups of Things | 0 | - | 4.47 | 38,585 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,958 |
| Asia Map Quiz | 0 | - | 4.99 | 922,736 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,609 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,678 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,326 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,585 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 241,712 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,210 |
| Geography of South Africa | 0 | - | 4.54 | 17,293 |
| History of South Africa | 0 | - | 4.60 | 17,739 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,204 |
| Word Chain - Australia | 0 | - | 4.38 | 38,209 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,362 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,820 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,206 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,662 |
| The Only European Country ... | 0 | - | 4.91 | 218,253 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,099 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,988 |
| Word Chain - Asia | 0 | - | 4.34 | 29,371 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,661 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,585 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,791 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,397 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,501 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,241 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,641 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,198 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,272 |
| Random Symbol to Element | 0 | - | 4.88 | 93,582 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,371 |
| Provinces of South Africa | 0 | - | 4.74 | 21,877 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,113 |
| Australia Map Quiz | 0 | - | 4.95 | 345,704 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,831 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,812 |
| Word Chain - South America | 0 | - | 4.51 | 23,965 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,294 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,932 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,657 |
| Celtic Nations | 0 | - | 4.61 | 47,058 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,822 |
| Word Chain - France | 0 | - | 4.38 | 42,895 |
| British Groups of Things | 0 | - | 4.25 | 82,968 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,083 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,100 |
| Countries of Africa | 0 | - | 5.00 | 2,552,044 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,329 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,544 |
| Fast Math - Addition | 0 | - | 4.87 | 524,270 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,460 |
| Countries with Four Letters | 0 | - | 4.99 | 424,791 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,039 |
| Random Country to Capital | 0 | - | 4.98 | 925,318 |
| Australian States and Territories | 0 | - | 4.96 | 142,569 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,433 |
| Australia True or False | 0 | - | 4.87 | 57,056 |
| Flags of North and South America | 0 | - | 4.99 | 375,706 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,852 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,619 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,372 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,904 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,704 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,565 |
| North America Map Quiz | 0 | - | 4.98 | 250,549 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,915 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,021 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,988 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,446 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,067 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,194 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,310 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,250 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,806 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,146 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,582 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,866 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,066 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,766 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,751 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,035 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,906 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,616 |
| Slavic Countries | 0 | - | 4.96 | 112,153 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,603 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,326 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,069 |
| Counties of England | 0 | - | 4.97 | 801,000 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,901 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,964 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,593 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,321 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,689 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,965 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,539 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,075 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,859 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,205 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,360 |
| Countries of the Middle East | 0 | - | 4.96 | 202,204 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,674 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,383 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,451 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,017 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,278 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,043 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,944 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,270 |
| African Island Countries | 0 | - | 4.96 | 102,207 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,834 |
| Islands by Country #1 | 0 | - | 4.90 | 175,829 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,011 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,354 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,215 |
| Countries by Emojis | 0 | - | 4.99 | 241,197 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,572 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,961 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,353 |
| Country Chain | 0 | - | 4.96 | 217,969 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,146 |
| Capital Cities Chain | 0 | - | 4.84 | 83,171 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,340 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,732 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,022 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,567 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,066 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,120 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,060 |
| Name a Valid Country #6 | 0 | - | 4.94 | 140,827 |
| Name a Valid Country #7 | 0 | - | 4.91 | 130,954 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,195 |
| Flags of Oceania | 0 | - | 5.00 | 261,711 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,525 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,258 |
| Australia Country Quiz | 0 | - | 4.43 | 69,764 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,862 |
| Regions of New Zealand | 0 | - | 4.84 | 28,654 |
| The Only American Country ... | 0 | - | 4.92 | 122,030 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 43,297 |
| Famous People from South America | 0 | - | 4.15 | 22,044 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,124 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,533 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,006 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,651 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,750 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,563 |
| American Foods | 0 | - | 3.66 | 39,425 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,787 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,402 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,956 |
| California Groups of Things | 0 | - | 4.26 | 45,701 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,742 |
