| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,083 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,504 |
| Olympic Host Countries | 0 | - | 4.98 | 201,622 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,108 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,970 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,629 |
| U.S. State Flags | 0 | - | 4.89 | 172,232 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,722 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,726 |
| Independence from Whom | 0 | - | 4.99 | 212,685 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,169 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,732 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,850 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,144 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 147,221 |
| Countries by Founding Story | 0 | - | 4.95 | 77,635 |
| Every European Country Shape | 0 | - | 4.96 | 202,642 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,172 |
| Every African Country Shape | 0 | - | 4.90 | 88,116 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 95,271 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.90 | 73,172 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 72,034 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 70,046 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 62,088 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 59,177 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 57,440 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 159,254 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 84,122 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,875 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,529 |
| North American Sports Cities | 0 | - | 4.83 | 172,967 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,661 |
| Cities by Former Name | 0 | - | 4.83 | 91,924 |
| Recently Independent Countries | 0 | - | 4.98 | 159,758 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,578 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,417 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,682 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,367 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,815 |
| Random European Flag to Country | 0 | - | 4.90 | 183,876 |
| Random African Flag to Country | 0 | - | 4.88 | 75,445 |
| Countries by Former Name | 0 | - | 4.99 | 125,630 |
| Historical City to Country | 0 | - | 4.85 | 78,795 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,190 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,745 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,423 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,101 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,440 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,770 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,627 |
| Former Capitals | 0 | - | 4.88 | 71,620 |
| Countries Settled by Vikings | 0 | - | 4.92 | 121,942 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,632 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,101 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,377 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,636 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,770 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,641 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,637 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 114,500 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.93 | 34,944 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 83,103 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,718 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,969 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,629 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,361 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 170,711 |
| Random African Countries on a Map | 0 | - | 4.99 | 297,451 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,032 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,719 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,490 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,087 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,118 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,497 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,340 |
| Battle to Country | 0 | - | 4.91 | 53,771 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,090 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.88 | 27,643 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,104 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,750 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,647 |
| Ancient City to Country | 0 | - | 4.70 | 108,263 |
| City-States | 0 | - | 4.53 | 37,369 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,773 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,193 |
| Countries by Independence Day | 0 | - | 4.62 | 52,837 |
| Former Countries by Capital | 0 | - | 4.45 | 127,737 |
| Former Countries | 0 | - | 4.77 | 134,097 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,620 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 56,031 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,185 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,455 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,841 |
| Country Flag-Shape Picture Quiz #3 | 0 | - | 4.80 | 69,160 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,348 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,481 |
| Boundary Waters | 0 | - | 4.92 | 88,695 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,524 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,126 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,824 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,822 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,701 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,233 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,762,079 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,057 |
| Countries in World War I | 0 | - | 4.88 | 228,862 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,815 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,986 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,267 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,712 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,480 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,086 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,969 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,630 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 67,320 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,529 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,462 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,796 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,390 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 64,883 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,583 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,284 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,750 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 303,522 |
| Cities in European History #1 | 0 | - | 4.63 | 134,463 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,150 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,450 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,510 |
| Landlocked Countries | 0 | - | 4.99 | 424,210 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,924 |
| Guerrillas by Country | 0 | - | 4.40 | 41,201 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,260 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,024 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,579 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,846 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,200 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,477 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,252 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,750 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,606 |
| Random Asian Flag to Country | 0 | - | 4.70 | 113,947 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 82,506 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,401 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,631 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 83,862 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 253,475 |
| Africa Flags Map Quiz | 0 | - | 4.95 | 36,756 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,870 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,883 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,530 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 153,296 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,250 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,778 |
| Satellite Images - U.S. States | 0 | - | 4.54 | 45,297 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,676 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,839 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,257 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,769 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,248 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,795 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,735 |
| American Cities by Stadium | 0 | - | 4.02 | 36,572 |
| City by Football Clubs | 0 | - | 4.38 | 138,290 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,220 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,227 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,771 |
| Island Countries | 0 | - | 4.99 | 711,951 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,512 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,788 |
| Himalayan Countries | 0 | - | 4.94 | 139,667 |
| Andean Countries | 0 | - | 4.94 | 85,132 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,316 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,557 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,889 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,171 |
| Danube Countries | 0 | - | 4.97 | 72,247 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,378 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,679 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,798 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,290 |
| European Landlocked Countries | 0 | - | 4.99 | 147,426 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,039 |
| Countries with the Most Species | 0 | - | 4.99 | 103,454 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,172 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,700 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,809 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,723 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,452 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,875 |
| Countries in the Alps | 0 | - | 4.87 | 118,537 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,213 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,546 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,840 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,851 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,774 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,962 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,706 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,327 |
