| Former Country Flag-Shape Picture Quiz | 0 | - | 4.97 | 82,347 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,903 |
| Olympic Host Countries | 0 | - | 4.98 | 198,819 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,000 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,731 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,798 |
| U.S. State Flags | 0 | - | 4.89 | 166,902 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,922 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,752 |
| Independence from Whom | 0 | - | 4.99 | 209,582 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,665 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,966 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,792 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,486 |
| Countries by Founding Story | 0 | - | 4.95 | 76,486 |
| Every European Country Shape | 0 | - | 4.96 | 200,031 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,604 |
| Every African Country Shape | 0 | - | 4.90 | 85,991 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 93,992 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,198 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,196 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,102 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,259 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,340 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 56,656 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 156,538 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 82,877 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,624 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,389 |
| North American Sports Cities | 0 | - | 4.83 | 170,835 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,876 |
| Cities by Former Name | 0 | - | 4.84 | 90,920 |
| Recently Independent Countries | 0 | - | 4.98 | 157,932 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,166 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,723 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,412 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,038 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,733 |
| Random European Flag to Country | 0 | - | 4.89 | 180,829 |
| Random African Flag to Country | 0 | - | 4.87 | 74,169 |
| Countries by Former Name | 0 | - | 4.99 | 124,226 |
| Historical City to Country | 0 | - | 4.84 | 78,108 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,128 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,227 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,212 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,524 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,759 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,154 |
| Former Capitals | 0 | - | 4.88 | 71,120 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,804 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,256 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,262 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,659 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,469 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,841 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,925 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 98,709 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 113,403 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.92 | 33,689 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,241 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 81,755 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,329 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,500 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,101 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,623 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 168,696 |
| Random African Countries on a Map | 0 | - | 4.99 | 293,246 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,581 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,854 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,726 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,542 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,204 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,984 |
| Battle to Country | 0 | - | 4.91 | 52,478 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,166 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.91 | 26,461 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,858 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,052 |
| Ancient City to Country | 0 | - | 4.70 | 107,588 |
| City-States | 0 | - | 4.53 | 37,086 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,472 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,950 |
| Countries by Independence Day | 0 | - | 4.56 | 52,593 |
| Former Countries by Capital | 0 | - | 4.45 | 127,016 |
| Former Countries | 0 | - | 4.75 | 132,650 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,719 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 55,573 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,695 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,217 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,091 |
| Country Flag-Shape Picture Quiz #3 | 0 | - | 4.80 | 68,346 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,581 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,794 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,183 |
| Boundary Waters | 0 | - | 4.92 | 88,023 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,231 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,219 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,807 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,158 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,008 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,886,773 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,149 |
| Countries in World War I | 0 | - | 4.88 | 226,536 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,335 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,557 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,245 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,769 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,028 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,938 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,237 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,342 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,666 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,469 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,377 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,170 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 63,787 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,636 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,425 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,688 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 299,927 |
| Cities in European History #1 | 0 | - | 4.63 | 133,050 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,005 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,116 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,804 |
| Landlocked Countries | 0 | - | 4.99 | 413,235 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,636 |
| Guerrillas by Country | 0 | - | 4.40 | 40,942 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,092 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,673 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,308 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,384 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,603 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,812 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,737 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,122 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,917 |
| Random Asian Flag to Country | 0 | - | 4.77 | 112,862 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,105 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,123 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,150 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 249,809 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 35,861 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,790 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,656 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,312 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,340 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,750 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,431 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 44,905 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,918 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,130 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,956 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,537 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,701 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,890 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,424 |
| American Cities by Stadium | 0 | - | 4.02 | 36,477 |
| City by Football Clubs | 0 | - | 4.37 | 137,000 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,141 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,993 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,488 |
| Island Countries | 0 | - | 4.99 | 707,442 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,411 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,282 |
| Himalayan Countries | 0 | - | 4.95 | 135,193 |
| Andean Countries | 0 | - | 4.94 | 82,747 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,162 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,099 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,827 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,532 |
| Danube Countries | 0 | - | 4.97 | 71,040 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,704 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,497 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,384 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,306 |
| European Landlocked Countries | 0 | - | 4.99 | 145,711 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,128 |
| Countries with the Most Species | 0 | - | 4.99 | 95,221 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,280 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,353 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,935 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,547 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,912 |
| Countries in the Alps | 0 | - | 4.87 | 116,760 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,521 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,170 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,979 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,382 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,107 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,964 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,519 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,722 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,007 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,015 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,180 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,018 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,333 |
