| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,335 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,605 |
| Olympic Host Countries | 0 | - | 4.98 | 202,228 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,811 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,381 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,770 |
| U.S. State Flags | 0 | - | 4.89 | 173,462 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,869 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,923 |
| Independence from Whom | 0 | - | 4.99 | 213,423 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,677 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,293 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,799 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,661 |
| Countries by Founding Story | 0 | - | 4.95 | 77,917 |
| Every European Country Shape | 0 | - | 4.96 | 203,260 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,724 |
| Every African Country Shape | 0 | - | 4.90 | 88,627 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 95,538 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.90 | 73,369 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 72,222 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 70,238 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 62,236 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 59,341 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 57,604 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 159,823 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 84,426 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,071 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,752 |
| North American Sports Cities | 0 | - | 4.82 | 173,304 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,817 |
| Cities by Former Name | 0 | - | 4.83 | 92,188 |
| Recently Independent Countries | 0 | - | 4.98 | 160,521 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,114 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,576 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,181 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,101 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,497 |
| Random European Flag to Country | 0 | - | 4.90 | 184,477 |
| Random African Flag to Country | 0 | - | 4.87 | 75,739 |
| Countries by Former Name | 0 | - | 4.99 | 125,986 |
| Historical City to Country | 0 | - | 4.85 | 79,104 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,624 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,023 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,613 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,283 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,575 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,930 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,874 |
| Former Capitals | 0 | - | 4.88 | 71,733 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,183 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,725 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,745 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,776 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,862 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,985 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,649 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,830 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 114,756 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.93 | 35,232 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 83,291 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,981 |
| Flags of Countries that Border China | 0 | - | 4.94 | 100,240 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,919 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,537 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 171,194 |
| Random African Countries on a Map | 0 | - | 4.99 | 298,343 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,526 |
| Random European Countries on a Map | 0 | - | 4.97 | 285,370 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,651 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,890 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,379 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,752 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,611 |
| Battle to Country | 0 | - | 4.91 | 54,117 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,294 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.89 | 27,891 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,554 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,040 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,017 |
| Ancient City to Country | 0 | - | 4.72 | 108,401 |
| City-States | 0 | - | 4.53 | 37,439 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,859 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,358 |
| Countries by Independence Day | 0 | - | 4.62 | 52,882 |
| Former Countries by Capital | 0 | - | 4.45 | 127,898 |
| Former Countries | 0 | - | 4.77 | 134,321 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,121 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 56,123 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,489 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,717 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 218,242 |
| Country Flag-Shape Picture Quiz #3 | 0 | - | 4.80 | 69,332 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,707 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,040 |
| Boundary Waters | 0 | - | 4.92 | 88,841 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,471 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,850 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,574 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,069 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,090 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,989 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,289 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,975,750 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,605 |
| Countries in World War I | 0 | - | 4.88 | 229,449 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,581 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,138 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,459 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,887 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,562 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,667 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,113 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,700 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.77 | 67,506 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,787 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,986 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,111 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,650 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 65,125 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,832 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,630 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,941 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,253 |
| Cities in European History #1 | 0 | - | 4.63 | 134,746 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,794 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,338 |
| Landlocked Countries | 0 | - | 4.99 | 427,314 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,975 |
| Guerrillas by Country | 0 | - | 4.40 | 41,253 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,304 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,494 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,055 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,960 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,335 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,073 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,545 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,903 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,753 |
| Random Asian Flag to Country | 0 | - | 4.70 | 114,157 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 82,684 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,685 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,001 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 84,207 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 254,165 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 36,932 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 70,016 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,920 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,562 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 153,427 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,342 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,859 |
| Satellite Images - U.S. States | 0 | - | 4.54 | 45,421 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,830 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,997 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,524 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,177 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,593 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,198 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,683 |
| American Cities by Stadium | 0 | - | 4.02 | 36,602 |
| City by Football Clubs | 0 | - | 4.38 | 138,515 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,451 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,063 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,410 |
| Island Countries | 0 | - | 4.99 | 713,034 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,953 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,464 |
| Himalayan Countries | 0 | - | 4.93 | 140,856 |
| Andean Countries | 0 | - | 4.94 | 85,817 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,931 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,511 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,476 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,702 |
| Danube Countries | 0 | - | 4.97 | 72,564 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,808 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,977 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,459 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,929 |
| European Landlocked Countries | 0 | - | 4.99 | 147,773 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,548 |
| Countries with the Most Species | 0 | - | 4.99 | 103,653 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,650 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,817 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,957 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,929 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,683 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,139 |
| Countries in the Alps | 0 | - | 4.87 | 118,987 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,018 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,146 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,058 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,181 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,132 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,395 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,603 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,517 |
