| Countries With One Word And Two O's | 0 | - | 4.92 | 56,217 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,366 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,438 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,028 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,637,711 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,096 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,157 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,152 |
| Flags of North and South America | 0 | - | 4.99 | 374,915 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,450 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 731,492 |
| The Only American Country ... | 0 | - | 4.92 | 121,906 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,482 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,444 |
| US States Quiz | 0 | - | 5.00 | 16,935,343 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,960 |
| Heart in the Answers | 0 | - | 4.02 | 43,253 |
| Mother in the Answers | 0 | - | 4.16 | 45,789 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,487 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,811 |
| States of Mexico | 0 | - | 4.96 | 177,129 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,292 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,740 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,300 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,333 |
| States of Brazil | 0 | - | 4.97 | 88,879 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,191 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,412 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,975 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,210 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,686 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,975 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,476 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,566 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,746 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,002 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,503 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,245 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,738 |
| Bear in the Answers | 0 | - | 4.29 | 62,139 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,497 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,645 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,724 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,847 |
| Pixelated United States Map | 0 | - | 4.88 | 94,530 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,067 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,087 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,370 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,310 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,819 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,786 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,441 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,776 |
| U.S. States By Population | 0 | - | 4.92 | 153,823 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,819 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,647 |
| US States with an Empty Map | 0 | - | 5.00 | 626,529 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,595 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,365 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,851 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,486 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,707 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,010 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,964 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,099 |
| Word Chain - Africa | 0 | - | 4.47 | 31,668 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,474 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 979,751 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,114 |
| South American Geography Quiz #2 | 0 | - | 4.38 | 42,412 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,001 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,721 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,271 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,805 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,977 |
| California Groups of Things | 0 | - | 4.25 | 45,624 |
| New York Groups of Things | 0 | - | 4.37 | 69,314 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,530 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,933 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,675 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,411 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,061 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,435 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,015 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,658 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,054 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,641 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,528 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,647 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,949 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,783 |
| Sea in the Answers | 0 | - | 4.08 | 49,056 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 155,951 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 241,138 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,288 |
| Belize Country Quiz | 0 | - | 4.85 | 21,027 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,214 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,185 |
| African-American Historical Figures | 0 | - | 4.18 | 17,241 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,896 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,396 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,054 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,348 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,322 |
| German Groups of Things | 0 | - | 4.46 | 38,556 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,583 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,643 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,310 |
| Famous People from Africa | 0 | - | 4.45 | 10,973 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,022 |
| Four Letter African Geography | 0 | - | 4.67 | 19,548 |
| Saint in the Answers | 0 | - | 4.10 | 44,425 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,108 |
| Australian Capitals | 0 | - | 4.92 | 62,779 |
| Word Chain - Australia | 0 | - | 4.38 | 38,189 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,629 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,628 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,227 |
| United States Country Quiz | 0 | - | 4.43 | 101,835 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,986 |
| Canada Country Quiz | 0 | - | 4.54 | 132,758 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,419 |
| Canada A-Z | 0 | - | 4.73 | 32,908 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,968 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,415 |
| Official European Union Languages | 0 | - | 4.97 | 239,131 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,251 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,586 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,147 |
| Asia Map Quiz | 0 | - | 4.99 | 921,039 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,094 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,387 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,977 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,097 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,051 |
| Australia Map Quiz | 0 | - | 4.95 | 345,436 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,756 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,205 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,577 |
| Word Chain - South America | 0 | - | 4.51 | 23,949 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,645 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,079 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,746 |
| Chile Country Quiz | 0 | - | 4.75 | 40,156 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,937 |
| Peru Country Quiz | 0 | - | 4.54 | 48,802 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,111 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,991 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,062 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,988 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,437 |
| New England States | 0 | - | 4.51 | 59,852 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,930 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,057 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,961 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,153 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,029 |
| U.S. States by Borders | 0 | - | 4.62 | 35,398 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,586 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,184 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,287 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,728 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,050 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,777 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,885 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,349 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,129 |
| The Only European Country ... | 0 | - | 4.91 | 217,788 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,834 |
| Word Chain - France | 0 | - | 4.38 | 42,868 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,944 |
| British Groups of Things | 0 | - | 4.25 | 82,933 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,067 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,865 |
| Word Chain - Asia | 0 | - | 4.34 | 29,363 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,469 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,371 |
| Countries of Africa | 0 | - | 5.00 | 2,548,098 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,306 |
| African East Coast | 0 | - | 4.96 | 96,405 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,254 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,202 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,107,333 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,776 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,244 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,986 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,960 |
| Fast Math - Addition | 0 | - | 4.87 | 523,883 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,967 |
| Countries with Four Letters | 0 | - | 4.99 | 423,839 |
| Random Symbol to Element | 0 | - | 4.88 | 93,470 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,218 |
| Random Country to Capital | 0 | - | 4.98 | 923,925 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,095 |
| Australian States and Territories | 0 | - | 4.96 | 142,385 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,395 |
| Australia True or False | 0 | - | 4.87 | 57,002 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,771 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,503 |