| Countries With One Word And Two O's | 0 | - | 4.94 | 55,014 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,316 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,967 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,953 |
| African East Coast | 0 | - | 4.96 | 94,904 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 50,346 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,230 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,433 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,580 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,493 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,784 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,180 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,246 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,237 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,090 |
| African Great Lakes | 0 | - | 4.82 | 65,017 |
| Name a Valid African Country | 0 | - | 4.98 | 152,796 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,019 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,186 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,944 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,886 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,220 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 112,996 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,537 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,425 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,925 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,979 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,159 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,835 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,482 |
| Africa A-Z | 0 | - | 4.57 | 46,342 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,417 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,369 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,765 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,754 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,906 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,112 |
| Famous People from Africa | 0 | - | 4.45 | 10,851 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,185 |
| Word Chain - Africa | 0 | - | 4.47 | 31,428 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,627 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,830 |
| Australian Capitals | 0 | - | 4.92 | 62,584 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,510 |
| Official European Union Languages | 0 | - | 4.97 | 236,329 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,591 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,946 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,958 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,570 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,906 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,945 |
| German Groups of Things | 0 | - | 4.46 | 38,287 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,848 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,299 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,294 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,136 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,575 |
| African Physical Geography | 0 | - | 4.51 | 31,555 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,032 |
| Geography of South Africa | 0 | - | 4.53 | 17,128 |
| History of South Africa | 0 | - | 4.60 | 17,590 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,371 |
| Word Chain - Australia | 0 | - | 4.37 | 37,999 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,229 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,802 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,930 |
| Asia Map Quiz | 0 | - | 4.99 | 905,629 |
| Countries of Africa | 0 | - | 5.00 | 2,504,038 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,699 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,778 |
| Provinces of South Africa | 0 | - | 4.74 | 21,322 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,965 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| Australia Map Quiz | 0 | - | 4.94 | 342,207 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,602 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,169 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,449 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,467 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,811 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,704 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,048 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,364 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,479 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,322 |
| The Only European Country ... | 0 | - | 4.91 | 213,457 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,303 |
| Word Chain - France | 0 | - | 4.38 | 42,564 |
| Italian Foods | 0 | - | 4.30 | 72,117 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,523 |
| British Groups of Things | 0 | - | 4.25 | 82,656 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,940 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,480 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,279 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,490 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,060 |
| Random Country to Capital | 0 | - | 4.98 | 910,411 |
| Countries that Beat India | 0 | - | 4.41 | 62,535 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,171 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,132 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,459 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,453 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,143 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,413 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,897 |
| African Island Countries | 0 | - | 4.96 | 100,642 |
| Australian States and Territories | 0 | - | 4.95 | 140,544 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Australia True or False | 0 | - | 4.87 | 56,459 |
| Flags of North and South America | 0 | - | 4.99 | 365,346 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,102 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,932 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,196 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,304 |
| North America Map Quiz | 0 | - | 4.98 | 243,957 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,332 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,222 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,277 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,528 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,224 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,856 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,571 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,184 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,015 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,397 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,768 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,537 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,492 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,154 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,129 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,056 |
| Slavic Countries | 0 | - | 4.96 | 110,765 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,005 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,534 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,118 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,460 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,416 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,899 |
| Counties of England | 0 | - | 4.97 | 788,221 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,046 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,401 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,256 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,667 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,313 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,126 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,576 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,348 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,568 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,586 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,005 |
| Countries of the Middle East | 0 | - | 4.96 | 198,683 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,054 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,214 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,494 |
| Countries by Emojis | 0 | - | 4.99 | 235,773 |
| Capital Cities Chain | 0 | - | 4.84 | 81,796 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,854 |
| States of India | 0 | - | 4.94 | 189,656 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,192 |
| African Geography A-Z | 0 | - | 4.33 | 21,409 |
| The Only African Country ... | 0 | - | 4.99 | 128,254 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,730 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,937 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,001 |
| Flags of Oceania | 0 | - | 5.00 | 254,565 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,874 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,299 |
| Australia Country Quiz | 0 | - | 4.43 | 69,232 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,009 |
| Regions of New Zealand | 0 | - | 4.85 | 28,097 |
| The Only American Country ... | 0 | - | 4.92 | 120,647 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,782 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,325 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,467 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,849 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,813 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,778 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,827 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,142 |
| American Foods | 0 | - | 3.66 | 39,269 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,738 |
| California Groups of Things | 0 | - | 4.25 | 45,245 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,965 |
| New York Groups of Things | 0 | - | 4.38 | 59,909 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,423 |
| American History Quotes #1 | 0 | - | 4.37 | 95,649 |
| American History Quotes #2 | 0 | - | 4.38 | 41,212 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,214 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,060 |
| US States Quiz | 0 | - | 5.00 | 16,676,982 |
| Movies by State | 0 | - | 4.27 | 40,435 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,282 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,261 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,196 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,620 |
