| 10 Plagues of Egypt | 0 | - | 4.40 | 52,536 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,686 |
| Every African Country Shape | 0 | - | 4.90 | 86,129 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,734 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,715 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,220 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,282 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,734 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,454 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 35,942 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,196 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,813 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,547 |
| Random African Countries on a Map | 0 | - | 4.99 | 293,391 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,309 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,624 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 168,778 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,862 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,752 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,456 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,953 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,429 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,421 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,116 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,022 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,797 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,276 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,040 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,906 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,228 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,865 |
| Pixelated United States Map | 0 | - | 4.89 | 93,490 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,654,798 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,264 |
| Every European Country Shape | 0 | - | 4.96 | 200,188 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,376 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,889 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,143 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,502 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,294 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,256 |
| China by Picture | 0 | - | 4.51 | 62,545 |
| Random African Flag to Country | 0 | - | 4.87 | 74,219 |
| Random European Flag to Country | 0 | - | 4.89 | 180,918 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,497 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,638 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,199 |
| Monty Python Quotes | 0 | - | 4.88 | 42,325 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,317 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,687 |
| Random Asian Flag to Country | 0 | - | 4.77 | 112,902 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,683 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 86,530 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,948 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 72,431 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,645 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,630 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,784 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,593 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,873 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,680 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,475 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,979 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,750 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,358 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,847 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,149 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,370 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,475 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,383 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,739 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,581 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,758 |
| Japan by Picture | 0 | - | 4.45 | 29,039 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,178 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,540 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 55,602 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,553 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,362 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,422 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,158 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,745 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,550 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,241 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,896 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,187 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,965 |
| Byzantine History | 0 | - | 4.91 | 28,621 |
| Biggest British Empire Countries | 0 | - | 4.75 | 95,201 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,455 |
| James Bond Trivia | 0 | - | 4.46 | 39,143 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,110 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,183 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,801 |
| The Iraq War | 0 | - | 4.47 | 15,556 |
| Vietnam War Countries | 0 | - | 4.83 | 93,616 |
| Countries of Africa | 0 | - | 5.00 | 2,508,045 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,436 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,434 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,430 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,632 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,282 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| African East Coast | 0 | - | 4.96 | 95,057 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,119 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,929 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,468 |
| African Island Countries | 0 | - | 4.96 | 100,794 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,667 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,697 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,355 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,807 |
| Australian States and Territories | 0 | - | 4.96 | 140,913 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,021 |
| Australia by Picture | 0 | - | 4.41 | 28,438 |
| Australia Map Quiz | 0 | - | 4.94 | 342,501 |
| Australia True or False | 0 | - | 4.87 | 56,510 |
| Flags of North and South America | 0 | - | 4.99 | 367,285 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,158 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,169 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,240 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,278 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,814 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,720 |
| North America Map Quiz | 0 | - | 4.98 | 244,487 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,987 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,355 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,937 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,947 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,955 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,508 |
| Presidential Actors | 0 | - | 4.36 | 19,066 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,005 |
| Presidential Middle Names | 0 | - | 4.41 | 59,712 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,743 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,823 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,746 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,176 |
| American Founding Fathers | 0 | - | 4.41 | 23,074 |
| The American Revolution | 0 | - | 4.52 | 54,058 |
| Six Flags Over Texas | 0 | - | 4.79 | 63,014 |
| People on Money - United States | 0 | - | 4.31 | 63,206 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,243 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,731 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,994 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,645 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,487 |
| The American Civil War | 0 | - | 4.62 | 52,162 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,947 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,985 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,621 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,159 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,211 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,457 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,005 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,799 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,584 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,314 |
| Official European Union Languages | 0 | - | 4.97 | 236,559 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,707 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,838 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,541 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,571 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,719 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,294 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,348 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,476 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,216 |
| The Only European Country ... | 0 | - | 4.91 | 213,850 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,855 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,840 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,911 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,546 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,272 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,207 |
| Slavic Countries | 0 | - | 4.96 | 110,863 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,178 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,049 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,673 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,219 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,687 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,263 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,026 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,569 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,171 |
| Counties of England | 0 | - | 4.97 | 789,224 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,948 |
| Champions League Winners | 0 | - | 4.92 | 996,398 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,940 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,625 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,349 |
| Asia Capital to Country | 0 | - | 4.96 | 125,763 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,530 |
| Asia Map Quiz | 0 | - | 4.99 | 907,078 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,140 |
