| Countries with Nuclear Weapons | 0 | - | 4.89 | 217,992 |
| Countries with NO Military | 0 | - | 4.97 | 49,590 |
| Countries with the Most Tanks | 0 | - | 4.90 | 75,529 |
| NATO Countries Quiz | 0 | - | 4.98 | 226,068 |
| EU Countries Quiz | 0 | - | 4.99 | 228,405 |
| Top Five Countries by Religion | 0 | - | 4.90 | 142,386 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 124,743 |
| Countries by Number of Books Published | 0 | - | 4.95 | 63,786 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,027,288 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 324,952 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,081,764 |
| Majority Muslim Countries | 0 | - | 4.97 | 313,609 |
| Members of the Arab League | 0 | - | 4.86 | 62,523 |
| Sahara Desert Countries | 0 | - | 4.97 | 127,335 |
| Himalayan Countries | 0 | - | 4.94 | 105,168 |
| Andean Countries | 0 | - | 4.91 | 58,373 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,328 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,504 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,852 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,135 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,370 |
| Danube Countries | 0 | - | 4.97 | 56,703 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,745 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,889 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,362 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,454 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,648 |
| European Landlocked Countries | 0 | - | 4.99 | 115,566 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,461 |
| Countries with the Most Species | 0 | - | 4.99 | 89,546 |
| Countries 197 to 205 | 0 | - | 4.89 | 56,436 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,709 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,029 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,355 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,448 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,734 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,214 |
| Countries in the Alps | 0 | - | 4.84 | 102,757 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,421 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,362 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,645 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,348 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,055 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,630 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,714 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,204 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,351 |
| Countries with the Most Christians | 0 | - | 4.93 | 107,692 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,721 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,485 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,638 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,706 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,577 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,043 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,544 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,271 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,397 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,449 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,806 |
| World Countries - Blind Typing | 0 | - | 5.00 | 73,111 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 42,331 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 41,440 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 66,476 |
| Largest Countries By Category | 0 | - | 4.96 | 145,049 |
| Countries by Countries | 0 | - | 4.96 | 54,724 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 72,686 |
| Buddhist Countries | 0 | - | 4.96 | 130,872 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,338 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 83,860 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,495 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 356,108 |
| Island Countries Quiz | 0 | - | 4.99 | 661,361 |
| Countries in World War I | 0 | - | 4.88 | 209,932 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 208,694 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,643 |
| Northernmost Countries | 0 | - | 4.99 | 327,843 |
| Countries of South America | 0 | - | 5.00 | 795,256 |
| Countries of Oceania | 0 | - | 5.00 | 895,820 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,161,529 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,577,167 |
| Countries with U.S. Troops | 0 | - | 4.39 | 125,570 |
| Countries with the Most Catholics | 0 | - | 4.91 | 93,393 |
| Orthodox Countries | 0 | - | 4.91 | 117,326 |
| Monarchies of Europe | 0 | - | 4.88 | 87,149 |
| Monarchies of Asia | 0 | - | 4.95 | 54,116 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 284,393 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 106,300 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 281,337 |
| Countries with the Most Muslims | 0 | - | 4.93 | 131,859 |
| Countries with the Most Exports | 0 | - | 4.95 | 124,952 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,929 |
| Countries by Oil Consumption | 0 | - | 4.96 | 111,538 |
| Largest Economies in 2050 | 0 | - | 4.90 | 99,807 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 239,483 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,952 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.85 | 66,400 |
| Countries that Start with A | 0 | - | 4.98 | 1,947,635 |
| Countries that Start with B | 0 | - | 4.95 | 2,086,259 |
| Countries that Start with C | 0 | - | 4.96 | 1,650,205 |
| Countries that Start with D | 0 | - | 4.96 | 595,372 |
| Countries that Start with E | 0 | - | 4.95 | 1,234,891 |
| Countries that Start with G | 0 | - | 4.97 | 1,354,393 |
| Countries that Start with H | 0 | - | 4.95 | 507,748 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,561 |
| Countries that Start with J | 0 | - | 4.98 | 510,854 |
| Countries that Start with K | 0 | - | 4.96 | 715,052 |
| Countries that Start with L | 0 | - | 4.98 | 973,989 |
| Countries that Start with N | 0 | - | 4.92 | 1,000,237 |
| Countries that Start with P | 0 | - | 4.95 | 1,102,828 |
| Countries that Start with S | 0 | - | 4.98 | 1,607,462 |
| Countries that Start with T | 0 | - | 4.89 | 912,097 |
| Countries that Start with U | 0 | - | 4.96 | 823,272 |
| Countries that Start with V | 0 | - | 4.98 | 551,268 |
| Countries that Start with F | 0 | - | 4.83 | 538,869 |
| Countries that Start with M | 0 | - | 4.97 | 1,256,474 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 98,390 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 177,149 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 76,656 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,539 |
| Countries with Megacities | 0 | - | 4.99 | 197,849 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 172,070 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,252 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,898 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,229 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,593 |
| Countries by Official Language | 0 | - | 4.96 | 173,021 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,635 |
| Countries in their Native Language | 0 | - | 4.98 | 178,547 |
| Independence from Whom | 0 | - | 4.99 | 185,937 |
| Subdivisions by Country | 0 | - | 4.82 | 46,489 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,663 |
| Megadiverse Countries | 0 | - | 4.96 | 125,424 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,629 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,766 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,419 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,726 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,208 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,079 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,230 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,102 |
| Countries in Relation to Cities #1 | 0 | - | 4.91 | 41,376 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,942 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,656 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,078 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,991 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,609 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,606 |
| Southernmost Countries of the World | 0 | - | 4.99 | 207,106 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,091 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 108,227 |
| Countries With the Most Languages | 0 | - | 4.91 | 174,049 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,442 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,741 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,460 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 54,085 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,569 |
| Widest Countries East to West | 0 | - | 4.93 | 119,501 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,856 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,189 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,724 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 85,692 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 119,480 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,307 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,500 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.82 | 32,092 |
| Countries with Double Letters | 0 | - | 4.96 | 68,884 |
| Countries that End in N | 0 | - | 4.93 | 133,153 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 230,254 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 187,770 |
| Countries with W | 0 | - | 4.97 | 123,033 |
| Countries with Z | 0 | - | 4.98 | 244,884 |
| Countries with Letters Missing | 0 | - | 4.97 | 167,310 |
| Countries That End in U | 0 | - | 4.95 | 107,782 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,841 |
| Countries that End in O | 0 | - | 4.92 | 147,072 |
| Countries that End in R | 0 | - | 4.85 | 96,568 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,345 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,675 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,981 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,356 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,437 |
| Countries That End in Y | 0 | - | 4.90 | 161,712 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 161,240 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,948 |
| Countries that End in I | 0 | - | 4.92 | 114,568 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,793 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,394 |
| Countries That End in NIA | 0 | - | 4.93 | 100,963 |
| Countries That End in BIA | 0 | - | 4.91 | 126,245 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,419 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,898 |
| Countries That End in RIA | 0 | - | 4.90 | 101,078 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,597 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 201,213 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,929 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,842 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,636 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 92,385 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,933 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,940 |
