| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 318,508 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 265,966 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,897 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,574,505 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 272,519 |
| African East Coast | 0 | - | 4.96 | 94,662 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,363 |
| Famous People from Africa | 0 | - | 4.45 | 10,838 |
| Word Chain - Africa | 0 | - | 4.47 | 31,394 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,175 |
| Top African Languages on a Map | 0 | - | 4.92 | 71,811 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,133 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 708,152 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,749 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 59,971 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,073 |
| African Great Lakes | 0 | - | 4.81 | 64,755 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 172,697 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,201 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,311 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 229,527 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,458 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 107,769 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 954,186 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,516 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 276,768 |
| Africa A-Z | 0 | - | 4.57 | 46,279 |
| NBA Teams - One Minute Sprint | 0 | - | 4.53 | 153,044 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,139 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,341 |
| Europe Map Quiz | 0 | - | 5.00 | 4,718,620 |
| Africa Map Quiz | 0 | - | 5.00 | 2,099,144 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,111 |
| Oceania Map Quiz | 0 | - | 4.98 | 632,345 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,752 |
| Australian Capitals | 0 | - | 4.92 | 62,517 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 93,209 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,356 |
| Official European Union Languages | 0 | - | 4.98 | 235,884 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,390 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,885 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,478 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 69,833 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,878 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 423,985 |
| German Groups of Things | 0 | - | 4.46 | 38,243 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,434,559 |
| Asia Map Quiz | 0 | - | 4.99 | 903,248 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,238 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,235 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,111 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 234,742 |
| African Physical Geography | 0 | - | 4.51 | 31,522 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,452 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,666 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,580 |
| Official Languages of South Africa | 0 | - | 4.56 | 25,998 |
| Geography of South Africa | 0 | - | 4.53 | 17,091 |
| History of South Africa | 0 | - | 4.60 | 17,569 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,505 |
| Word Chain - Australia | 0 | - | 4.38 | 37,958 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,227 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 91,780 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,166 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 112,876 |
| The Only European Country ... | 0 | - | 4.91 | 212,782 |
| European Countries NOT in NATO | 0 | - | 4.87 | 58,909 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,463 |
| Word Chain - Asia | 0 | - | 4.34 | 29,188 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 96,986 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 62,414 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,174 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 161,702 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 114,927 |
| Anagram Chain - Countries | 0 | - | 4.99 | 114,332 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 232,216 |
| Random Symbol to Element | 0 | - | 4.88 | 91,967 |
| Countries of Africa | 0 | - | 5.00 | 2,496,983 |
| Provinces of South Africa | 0 | - | 4.74 | 21,214 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,945 |
| Australia Map Quiz | 0 | - | 4.94 | 341,768 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,568 |
| South American Geography Quiz #2 | 0 | - | 4.69 | 39,131 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,410 |
| Word Chain - South America | 0 | - | 4.51 | 23,721 |
| United States Map Quiz | 0 | - | 4.98 | 4,135,329 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 741,428 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 361,556 |
| Celtic Nations | 0 | - | 4.69 | 46,752 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,299 |
| Word Chain - France | 0 | - | 4.38 | 42,519 |
| British Groups of Things | 0 | - | 4.25 | 82,636 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,913 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,372,802 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,082,725 |
| 7 Deadly Sins | 0 | - | 4.88 | 392,732 |
| Fast Math - Addition | 0 | - | 4.86 | 518,746 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 445,701 |
| Countries with Four Letters | 0 | - | 4.99 | 417,059 |
| Random Capital to Country | 0 | - | 4.99 | 2,572,564 |
| Random Country to Capital | 0 | - | 4.98 | 907,867 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,016 |
| Flags of Africa Quiz | 0 | - | 5.00 | 459,806 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,145 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,258 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 159,680 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,271 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,548 |
| African Island Countries | 0 | - | 4.96 | 100,438 |
| Australian States and Territories | 0 | - | 4.95 | 140,281 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,861 |
| Australia True or False | 0 | - | 4.87 | 56,327 |
| Flags of North and South America | 0 | - | 4.99 | 356,625 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,007 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 142,912 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,451 |
| South America Map Quiz | 0 | - | 5.00 | 1,537,999 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,007,578 |
| North America Map Quiz | 0 | - | 4.98 | 243,082 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,235 |
| Canada Provinces and Territories | 0 | - | 5.00 | 335,885 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 633,857 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,365 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 42,355 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,218,757 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,315,478 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,333 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 149,946 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 215,451 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,193 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 86,609 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,011 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 166,488 |
| Name a Major European City A-Z | 0 | - | 4.33 | 48,934 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 66,751 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 87,866 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 126,847 |
| Slavic Countries | 0 | - | 4.96 | 110,561 |
| Germany Multiple Choice | 0 | - | 4.84 | 53,929 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,867 |
| Counties of England | 0 | - | 4.97 | 786,533 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 347,581 |
| Flags of Asia Quiz | 0 | - | 4.99 | 602,000 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,105 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,491 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,103 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 106,904 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,315 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,116 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,352 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,251 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 48,785 |
| Countries of the Middle East | 0 | - | 4.96 | 198,260 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,158 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,087,655 |
| Islands by Country #1 | 0 | - | 4.88 | 174,154 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,629 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,036 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,163 |
| Countries by Emojis | 0 | - | 4.99 | 234,819 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 197,701 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 168,925 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 54,820 |
| Country Chain | 0 | - | 4.96 | 215,249 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 212,803 |
| Capital Cities Chain | 0 | - | 4.84 | 81,487 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,574 |
| Name a Valid Country #3 | 0 | - | 4.99 | 258,992 |
| Name a Valid Country #1 | 0 | - | 4.99 | 281,546 |
| Name a Valid Country #2 | 0 | - | 4.98 | 245,412 |
| Name a Valid Country #4 | 0 | - | 4.97 | 250,552 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,069 |
| Name a Valid Country #6 | 0 | - | 4.95 | 125,728 |
| Name a Valid Country #7 | 0 | - | 4.91 | 125,875 |
| States of India | 0 | - | 4.94 | 189,109 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,051 |
| African Geography A-Z | 0 | - | 4.33 | 21,395 |
| The Only African Country ... | 0 | - | 4.99 | 128,016 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,644 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,714 |
| Countries Closest to Africa | 0 | - | 4.96 | 155,798 |
| Flags of Oceania | 0 | - | 5.00 | 253,290 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,740 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,066 |
| Australia Country Quiz | 0 | - | 4.43 | 69,114 |
| Australia... or New Zealand? | 0 | - | 4.83 | 60,844 |
| Regions of New Zealand | 0 | - | 4.85 | 28,028 |
| The Only American Country ... | 0 | - | 4.92 | 120,469 |
| Famous People from South America | 0 | - | 4.15 | 21,730 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,267 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 898,740 |
| North American Capitals - Map Quiz | 0 | - | 4.86 | 56,554 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,661 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,424 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,558 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 237,798 |
| American Foods | 0 | - | 3.66 | 39,232 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,440 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,130 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,765 |
