| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,583 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,773 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,939 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,725 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,345 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.98 | 110,027 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,977 |
| Countries with Glaciers | 0 | - | 4.97 | 105,820 |
| Countries by Emojis | 0 | - | 4.99 | 242,554 |
| Countries with the Most Forest | 0 | - | 4.87 | 148,003 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,980 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,231 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 206,072 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,134 |
| Most Forested European Countries | 0 | - | 4.80 | 75,693 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,251 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,227 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,162 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,324 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,989 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,662 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,479 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,816 |
| Drinks by Country | 0 | - | 4.30 | 59,513 |
| Beers by Country | 0 | - | 4.45 | 97,683 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,185 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,652 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,763 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,817 |
| Name a Valid African Country | 0 | - | 4.98 | 155,072 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,931 |
| Boundary Waters | 0 | - | 4.92 | 88,782 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,728 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,375 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,990 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,279 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,389 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,431 |
| Which City in Europe? | 0 | - | 4.83 | 107,910 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,900,230 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,539 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,562 |
| Least Forested European Countries | 0 | - | 4.25 | 54,196 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,912 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,116 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,618 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 65,139 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,712 |
| Countries that Beat China | 0 | - | 4.85 | 116,772 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,632 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,467 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,363 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,496 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,024 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,355 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,759 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,099 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 42,295 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,871 |
| Landlocked Countries | 0 | - | 4.99 | 426,174 |
| Least-Forested Countries | 0 | - | 4.53 | 65,426 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,347 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,738 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,866 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,261 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,730,256 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,316 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,603 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,195 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,936 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,425 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,030 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,049 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,686 |
| Random European City to Country | 0 | - | 4.69 | 118,481 |
| Random Asian City to Country | 0 | - | 4.56 | 44,623 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,175 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,872 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,801 |
| Which City in Canada? | 0 | - | 4.83 | 57,368 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,765 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,845 |
| Island Countries | 0 | - | 4.99 | 712,662 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,413 |
| Himalayan Countries | 0 | - | 4.93 | 140,369 |
| Andean Countries | 0 | - | 4.94 | 85,533 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,684 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,108 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,256 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,488 |
| Danube Countries | 0 | - | 4.97 | 72,437 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,869 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,193 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,665 |
| European Landlocked Countries | 0 | - | 4.99 | 147,640 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,347 |
| Countries with the Most Species | 0 | - | 4.99 | 103,587 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,447 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,785 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,897 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,858 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,595 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,040 |
| Countries in the Alps | 0 | - | 4.87 | 118,822 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,705 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,934 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,049 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,992 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,287 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,436 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,888 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,445 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,206 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,898 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,757 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,578 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,822 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,914 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,913 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,636 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,477 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,713 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,844 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,217 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,532 |
| Largest Countries By Category | 0 | - | 4.97 | 158,903 |
| Countries by Countries | 0 | - | 4.96 | 63,668 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,574 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,295 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,413 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,789 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,679 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,079 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,453 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,128 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,059 |
| Northernmost Countries | 0 | - | 4.99 | 364,156 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,954 |
| Countries of South America | 0 | - | 5.00 | 933,058 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,895 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,217 |
| "Land" Countries | 0 | - | 4.98 | 338,456 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,209 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,490 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,991 |
| All Country Flags of the World | 0 | - | 5.00 | 3,716,166 |
| Top World Languages | 0 | - | 4.92 | 830,152 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,820 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,622 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,166 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,588 |
| Longest International Borders | 0 | - | 4.99 | 265,850 |
| Countries with Three Borders | 0 | - | 4.96 | 36,786 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,370 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,508 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,935 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,217 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,506 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,649 |
| Demonym of Every Country | 0 | - | 4.90 | 61,512 |
| Elements Named for Countries | 0 | - | 4.52 | 24,973 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,698,551 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,018,046 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,738 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,010 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,541 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,598 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,241 |
| Countries with Megacities | 0 | - | 4.99 | 267,295 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,921 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,182 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,245 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,297 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,891 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,367 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,688 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,353 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,396 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,997 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,240 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,268 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,194 |
| Countries by Capital City | 0 | - | 5.00 | 69,449 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,891 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,259 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,005 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,839 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,560 |
| Moved Capital Cities | 0 | - | 4.96 | 74,671 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,006 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,769 |
| Countries by Official Language | 0 | - | 4.95 | 196,054 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,699 |
| Countries in their Native Language | 0 | - | 4.99 | 199,788 |
| Independence from Whom | 0 | - | 4.99 | 213,141 |
| Subdivisions by Country | 0 | - | 4.87 | 50,630 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,499 |
