| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 89,453 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,254 |
| Olympic Host Countries | 0 | - | 4.98 | 200,392 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,620 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,884 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,270 |
| U.S. State Flags | 0 | - | 4.89 | 169,773 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,324 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,249 |
| Independence from Whom | 0 | - | 4.99 | 211,313 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,706 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,381 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,979 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,967 |
| Countries by Founding Story | 0 | - | 4.95 | 77,068 |
| Every European Country Shape | 0 | - | 4.96 | 201,340 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,574 |
| Every African Country Shape | 0 | - | 4.90 | 87,047 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 94,654 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,676 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,629 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,598 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,700 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,796 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 57,053 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 158,017 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 83,531 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,385 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,007 |
| North American Sports Cities | 0 | - | 4.83 | 171,763 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,176 |
| Cities by Former Name | 0 | - | 4.83 | 91,433 |
| Recently Independent Countries | 0 | - | 4.98 | 159,016 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,098 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,095 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,588 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,762 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,410 |
| Random European Flag to Country | 0 | - | 4.89 | 181,993 |
| Random African Flag to Country | 0 | - | 4.88 | 74,694 |
| Countries by Former Name | 0 | - | 4.99 | 124,918 |
| Historical City to Country | 0 | - | 4.84 | 78,433 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,398 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,108 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,086 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,473 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,158 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,440 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,085 |
| Former Capitals | 0 | - | 4.88 | 71,382 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,286 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,450 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,822 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,483 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,110 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,300 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,538 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,202 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 113,968 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.92 | 34,343 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,702 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,872 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,072 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,711 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,018 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 169,749 |
| Random African Countries on a Map | 0 | - | 4.99 | 295,373 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,313 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,107 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,094 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,569 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,591 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,877 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,676 |
| Battle to Country | 0 | - | 4.91 | 53,163 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,624 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.91 | 27,083 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,911 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,142 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,716 |
| Ancient City to Country | 0 | - | 4.70 | 107,938 |
| City-States | 0 | - | 4.53 | 37,229 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,622 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,083 |
| Countries by Independence Day | 0 | - | 4.61 | 52,712 |
| Former Countries by Capital | 0 | - | 4.45 | 127,365 |
| Former Countries | 0 | - | 4.75 | 133,407 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,740 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 55,807 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 127,373 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,852 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,949 |
| Country Flag-Shape Picture Quiz #3 | 0 | - | 4.80 | 68,791 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,631 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,254 |
| Boundary Waters | 0 | - | 4.92 | 88,378 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,081 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,914 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,171 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,339 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,275 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,946 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,123 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,334,055 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,202 |
| Countries in World War I | 0 | - | 4.88 | 227,844 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,722 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,766 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,776 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,285 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,285 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,060 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,568 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,466 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 66,991 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,098 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,502 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,078 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,706 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 64,299 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,154 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,175 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,109 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 301,997 |
| Cities in European History #1 | 0 | - | 4.63 | 133,813 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,091 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,289 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,715 |
| Landlocked Countries | 0 | - | 4.99 | 418,936 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,787 |
| Guerrillas by Country | 0 | - | 4.40 | 41,078 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,177 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,766 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,475 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,622 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,913 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,004 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,479 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 45,439 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,299 |
| Random Asian Flag to Country | 0 | - | 4.70 | 113,299 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 82,130 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,780 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,884 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,515 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 251,650 |
| Africa Flags Map Quiz | 0 | - | 4.95 | 36,320 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,367 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,770 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,437 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,821 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,015 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,602 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 45,108 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,348 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,499 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,624 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,674 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,981 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,902 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,993 |
| American Cities by Stadium | 0 | - | 4.02 | 36,531 |
| City by Football Clubs | 0 | - | 4.38 | 137,844 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,924 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,609 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,098 |
| Island Countries | 0 | - | 4.99 | 709,756 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,999 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,540 |
| Himalayan Countries | 0 | - | 4.94 | 137,424 |
| Andean Countries | 0 | - | 4.95 | 83,939 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,230 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,654 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,832 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,350 |
| Danube Countries | 0 | - | 4.97 | 71,664 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,551 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,057 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,655 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,734 |
| European Landlocked Countries | 0 | - | 4.99 | 146,778 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,140 |
| Countries with the Most Species | 0 | - | 4.99 | 102,907 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,266 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,432 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,587 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,303 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,994 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,363 |
| Countries in the Alps | 0 | - | 4.87 | 117,688 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,133 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,366 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,422 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,981 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,093 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,573 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,285 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,186 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,969 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,551 |
