| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,959 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,721 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,718 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,494 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,700 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,718 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,860 |
| Countries with Glaciers | 0 | - | 4.97 | 105,426 |
| Countries by Emojis | 0 | - | 4.99 | 239,741 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,560 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,661 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,888 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,414 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,309 |
| Most Forested European Countries | 0 | - | 4.80 | 75,337 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,613 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,948 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,423,402 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,913 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,537 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,399 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,891 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,609 |
| Drinks by Country | 0 | - | 4.30 | 59,359 |
| Beers by Country | 0 | - | 4.45 | 97,295 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,991 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,446 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,092 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,027 |
| Name a Valid African Country | 0 | - | 4.98 | 154,099 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,734 |
| Boundary Waters | 0 | - | 4.92 | 88,472 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,171 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,100 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,468 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,470 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,832 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,000 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,717 |
| Which City in Europe? | 0 | - | 4.83 | 107,402 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,466,306 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,451 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,299 |
| Least Forested European Countries | 0 | - | 4.25 | 54,022 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,671 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,072 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,603 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,831 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,478 |
| Countries that Beat China | 0 | - | 4.85 | 115,859 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,815 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,867 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,953 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,946 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,645 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,461 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,478 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,776 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,573 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,368 |
| Landlocked Countries | 0 | - | 4.99 | 420,608 |
| Least-Forested Countries | 0 | - | 4.53 | 65,209 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,088 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,629 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,541 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,090 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,719,400 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,665 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,973 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,149 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,612 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,841 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,994 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,191 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,368 |
| Random European City to Country | 0 | - | 4.69 | 117,677 |
| Random Asian City to Country | 0 | - | 4.56 | 44,536 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,613 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,048 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,257 |
| Which City in Canada? | 0 | - | 4.83 | 57,077 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,072 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,280 |
| Island Countries | 0 | - | 4.99 | 710,440 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,752 |
| Himalayan Countries | 0 | - | 4.95 | 138,113 |
| Andean Countries | 0 | - | 4.95 | 84,282 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,502 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,356 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,129 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,579 |
| Danube Countries | 0 | - | 4.97 | 71,844 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,806 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,245 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,991 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,439 |
| European Landlocked Countries | 0 | - | 4.99 | 146,978 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,390 |
| Countries with the Most Species | 0 | - | 4.99 | 103,100 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,544 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,509 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,661 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,448 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,119 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,509 |
| Countries in the Alps | 0 | - | 4.87 | 117,967 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,602 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,731 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,461 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,318 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,836 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,476 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,344 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,081 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,710 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,422 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,077 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,357 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,369 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,555 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,184 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,694 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,832 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,219 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,692 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,113 |
| Largest Countries By Category | 0 | - | 4.97 | 157,941 |
| Countries by Countries | 0 | - | 4.97 | 63,021 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,929 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,475 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,221 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,652 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,516 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,100 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,814 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,514 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,981 |
| Northernmost Countries | 0 | - | 4.99 | 361,265 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,818 |
| Countries of South America | 0 | - | 5.00 | 925,185 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,168 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,158 |
| "Land" Countries | 0 | - | 4.98 | 336,536 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,568 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,569 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,798 |
| All Country Flags of the World | 0 | - | 5.00 | 3,665,480 |
| Top World Languages | 0 | - | 4.92 | 822,339 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,362 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,444 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,614 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,194 |
| Longest International Borders | 0 | - | 4.99 | 264,957 |
| Countries with Three Borders | 0 | - | 4.96 | 36,536 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,015 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,138 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,281 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,539,430 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,830 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,237 |
| Demonym of Every Country | 0 | - | 4.91 | 60,211 |
| Elements Named for Countries | 0 | - | 4.53 | 24,709 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,690,283 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,012,873 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,400 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,367 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,856 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,376 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,484 |
| Countries with Megacities | 0 | - | 4.99 | 263,488 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,330 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,265 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,623 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,298 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,988 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,608 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,589 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,146 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,257 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,410 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,503 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,236 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,014 |
| Countries by Capital City | 0 | - | 5.00 | 68,292 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,173 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,654 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,462 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,206 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,192 |
| Moved Capital Cities | 0 | - | 4.96 | 74,214 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,650 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,058 |
| Countries by Official Language | 0 | - | 4.95 | 194,953 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,970 |
| Countries in their Native Language | 0 | - | 4.99 | 198,469 |
| Independence from Whom | 0 | - | 4.99 | 211,731 |
| Subdivisions by Country | 0 | - | 4.86 | 50,363 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,002 |
