| Countries Farthest From the Sea | 0 | - | 4.98 | 74,614 |
| Countries With No Rivers | 0 | - | 4.96 | 76,688 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,746 |
| Countries with Fjords | 0 | - | 4.94 | 100,754 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,332 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,323 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,591 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,971 |
| North Sea Countries | 0 | - | 4.92 | 87,292 |
| Black Sea Countries | 0 | - | 4.87 | 60,569 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,302 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,400 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,171 |
| Megadiverse Countries | 0 | - | 4.96 | 134,741 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,345 |
| African Great Lakes | 0 | - | 4.82 | 66,003 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,214 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,785 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,031 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,830 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,308,240 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,477 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,869 |
| Landlocked Countries | 0 | - | 4.99 | 418,472 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,443 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,002 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,638 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,964 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,640 |
| Biggest City by River | 0 | - | 4.41 | 52,817 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,486 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,492 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,899 |
| Island Countries | 0 | - | 4.99 | 709,590 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,740 |
| Himalayan Countries | 0 | - | 4.94 | 137,207 |
| Andean Countries | 0 | - | 4.95 | 83,817 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,065 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,468 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,749 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,281 |
| Danube Countries | 0 | - | 4.97 | 71,604 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,476 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,004 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,561 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,626 |
| European Landlocked Countries | 0 | - | 4.99 | 146,716 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,056 |
| Countries with the Most Species | 0 | - | 4.99 | 102,859 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,195 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,411 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,570 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,273 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,944 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,325 |
| Countries in the Alps | 0 | - | 4.87 | 117,615 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,090 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,285 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,379 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,934 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,042 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,411 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,224 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,142 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,938 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,515 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,449 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,314 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,889 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,159 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,176 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,098 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,030 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,546 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,464 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,193 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,121 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,962 |
| Largest Countries By Category | 0 | - | 4.97 | 157,563 |
| Countries by Countries | 0 | - | 4.96 | 62,795 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,863 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,282 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,646 |
| Northernmost Countries | 0 | - | 4.99 | 360,293 |
| Landforms by Country | 0 | - | 4.52 | 51,958 |
| Countries of South America | 0 | - | 5.00 | 922,419 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,366 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,259 |
| "Land" Countries | 0 | - | 4.98 | 335,702 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,024 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,760 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,276 |
| Seas of Europe | 0 | - | 4.37 | 84,567 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,749 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,592 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,890 |
| Countries with Megacities | 0 | - | 4.99 | 256,827 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,757 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,916 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,056 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,919 |
| Capitals by River | 0 | - | 4.55 | 48,289 |
| Countries by Official Language | 0 | - | 4.95 | 194,578 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,446 |
| Countries in their Native Language | 0 | - | 4.99 | 198,120 |
| Independence from Whom | 0 | - | 4.99 | 211,225 |
| Subdivisions by Country | 0 | - | 4.86 | 50,271 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,632 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,488 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,161 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,727 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,005 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,668 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,354 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,908 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,818 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,972 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,872 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,691 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,965 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,754 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,268 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,376 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,117 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,993 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,426 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,889 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,597 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,238 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,481 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,645 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,794 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,246 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,253 |
| Widest Countries East to West | 0 | - | 4.92 | 129,333 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,375 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,913 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,982 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,486 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,173 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,508 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,219 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,722 |
| Countries with Double Letters | 0 | - | 4.97 | 95,029 |
| Countries that End in N | 0 | - | 4.95 | 169,861 |
| Countries with Five Letters | 0 | - | 4.96 | 279,743 |
| Countries with Six Letters | 0 | - | 4.94 | 212,401 |
| Countries with W | 0 | - | 4.97 | 159,483 |
| Countries with Z | 0 | - | 4.98 | 289,723 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,675 |
| Countries That End in U | 0 | - | 4.95 | 120,385 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,698 |
| Countries that End in O | 0 | - | 4.92 | 159,174 |
| Countries that End in R | 0 | - | 4.87 | 118,719 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,495 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,253 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,067 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,056 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,641 |
| Countries That End in Y | 0 | - | 4.90 | 185,633 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,178 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,378 |
| Countries that End in I | 0 | - | 4.94 | 134,845 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,033 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,556 |
| Countries That End in NIA | 0 | - | 4.92 | 109,494 |
| Countries That End in BIA | 0 | - | 4.93 | 148,811 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,672 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,018 |
| Countries That End in RIA | 0 | - | 4.93 | 126,508 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,594 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,591 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,171 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,518 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,071 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,294 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,649 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,203 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,176 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,497 |
| Countries that End in L | 0 | - | 4.94 | 156,522 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,863 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,147 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,816 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,695 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,746 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,715 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,113 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,579 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,066 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,562 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,552 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,937 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,584 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,639 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,821,249 |
| One Border Countries | 0 | - | 4.98 | 467,482 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,574 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,834 |
