| Countries with the Most Military Troops | 0 | - | 4.95 | 229,112 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 234,579 |
| Countries with NO Military | 0 | - | 4.97 | 50,801 |
| Countries with the Most Tanks | 0 | - | 4.88 | 76,659 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,714,446 |
| Majority Muslim Countries | 0 | - | 4.97 | 317,088 |
| NATO Countries Quiz | 0 | - | 4.98 | 229,088 |
| EU Countries Quiz | 0 | - | 4.99 | 231,199 |
| Top Five Countries by Religion | 0 | - | 4.90 | 145,437 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 127,976 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,679 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 130,757 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.96 | 63,645 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 333,818 |
| Countries with the Most Christians | 0 | - | 4.93 | 124,019 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,625 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,461 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,165,481 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,515 |
| Buddhist Countries | 0 | - | 4.97 | 132,109 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 86,117 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,224,747 |
| Monarchies Bordering Monarchies | 0 | - | 4.86 | 56,233 |
| Members of the Arab League | 0 | - | 4.85 | 66,109 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,330 |
| Himalayan Countries | 0 | - | 4.94 | 108,276 |
| Andean Countries | 0 | - | 4.91 | 60,098 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,272 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,780 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,356 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,814 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,208 |
| Countries in World War I | 0 | - | 4.88 | 212,058 |
| Danube Countries | 0 | - | 4.96 | 57,197 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,210 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,280 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,649 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,347 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,896 |
| European Landlocked Countries | 0 | - | 4.99 | 137,004 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,759 |
| Countries with the Most Species | 0 | - | 4.99 | 89,846 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 211,041 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,298 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,000 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,303 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,021 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,863 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,105 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,882 |
| Countries in the Alps | 0 | - | 4.84 | 103,805 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,397 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,405 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,251 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,333 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,862 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,309 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,501 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,737 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,677 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,378 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,136 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,001 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,015 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,540 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,631 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,208 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,435 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,928 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,003 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,186 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,270 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,805 |
| Largest Countries By Category | 0 | - | 4.97 | 146,351 |
| Countries by Countries | 0 | - | 4.95 | 55,551 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,557 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 344,793 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,222 |
| Island Countries Quiz | 0 | - | 4.99 | 668,199 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 66,863 |
| Biggest Countries by Area | 0 | - | 5.00 | 946,583 |
| Northernmost Countries | 0 | - | 4.99 | 330,757 |
| Countries of South America | 0 | - | 5.00 | 808,986 |
| Countries of Oceania | 0 | - | 5.00 | 912,442 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,609,088 |
| Countries that Start with A | 0 | - | 4.98 | 1,973,587 |
| Countries that Start with B | 0 | - | 4.95 | 2,112,547 |
| Countries that Start with C | 0 | - | 4.96 | 1,672,013 |
| Countries that Start with D | 0 | - | 4.96 | 609,414 |
| Countries that Start with E | 0 | - | 4.95 | 1,252,416 |
| Countries that Start with G | 0 | - | 4.97 | 1,372,251 |
| Countries that Start with H | 0 | - | 4.96 | 519,881 |
| Countries that Start with I | 0 | - | 4.92 | 1,180,291 |
| Countries that Start with J | 0 | - | 4.98 | 522,232 |
| Countries that Start with K | 0 | - | 4.96 | 728,100 |
| Countries that Start with L | 0 | - | 4.98 | 988,229 |
| Countries that Start with N | 0 | - | 4.93 | 1,014,552 |
| Countries that Start with P | 0 | - | 4.95 | 1,116,855 |
| Countries that Start with S | 0 | - | 4.98 | 1,625,969 |
| Countries that Start with T | 0 | - | 4.89 | 925,207 |
| Countries that Start with U | 0 | - | 4.96 | 833,773 |
| Countries that Start with V | 0 | - | 4.98 | 558,441 |
| Countries that Start with F | 0 | - | 4.84 | 548,755 |
| Countries that Start with M | 0 | - | 4.97 | 1,271,565 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.85 | 209,580 |
| Countries with U.S. Troops | 0 | - | 4.40 | 126,580 |
| Catholic Countries Quiz | 0 | - | 4.82 | 199,606 |
| Countries with the Most Catholics | 0 | - | 4.91 | 95,361 |
| Orthodox Countries | 0 | - | 4.91 | 119,255 |
| Richest Island Countries | 0 | - | 4.86 | 89,497 |
| Monarchies of Europe | 0 | - | 4.89 | 88,137 |
| Monarchies of Asia | 0 | - | 4.95 | 54,768 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 287,975 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 108,011 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 284,995 |
| Countries with the Most Muslims | 0 | - | 4.92 | 133,459 |
| Countries with the Most Exports | 0 | - | 4.96 | 140,362 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 174,161 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,651 |
| Largest Economies in 2050 | 0 | - | 4.89 | 101,393 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 242,083 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 91,444 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 67,956 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 100,131 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 179,137 |
| European Countries with One Border | 0 | - | 4.96 | 152,480 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,116 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,758 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,857 |
| Countries with Megacities | 0 | - | 4.99 | 201,605 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,138 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,849 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,073 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,740 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 252,687 |
| Countries by Official Language | 0 | - | 4.96 | 175,104 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 252,989 |
| Countries in their Native Language | 0 | - | 4.98 | 180,427 |
| Independence from Whom | 0 | - | 4.99 | 189,189 |
| Subdivisions by Country | 0 | - | 4.82 | 46,866 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,503 |
| Megadiverse Countries | 0 | - | 4.96 | 126,758 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,766 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 107,524 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,780 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,237 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,854 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,542 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,992 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,673 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,829 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 44,984 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,218 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,891 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,414 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,903 |
| Richest Countries A-Z | 0 | - | 4.92 | 90,018 |
| Large Countries with Small Economies | 0 | - | 4.94 | 74,411 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,649 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,572 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,529 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,835 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,507 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,628 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,991 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,169 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,014 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,493 |
| Widest Countries East to West | 0 | - | 4.93 | 120,469 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,104 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,431 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,779 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,352 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,571 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,558 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,372 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,783 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,387 |
| Countries with Double Letters | 0 | - | 4.96 | 71,662 |
| Countries that End in N | 0 | - | 4.94 | 135,838 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,666 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,406 |
| Countries with W | 0 | - | 4.96 | 125,539 |
| Countries with Z | 0 | - | 4.98 | 264,434 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,590 |
| Countries That End in U | 0 | - | 4.95 | 109,281 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,241 |
| Countries that End in O | 0 | - | 4.92 | 148,582 |
| Countries that End in R | 0 | - | 4.85 | 97,279 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,037 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,984 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,588 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,616 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,556 |
| Countries That End in Y | 0 | - | 4.90 | 162,359 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,864 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,297 |
| Countries that End in I | 0 | - | 4.92 | 115,167 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,512 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,329 |
