| Countries with the Most Military Troops | 0 | - | 4.96 | 271,365 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 251,946 |
| Countries with NO Military | 0 | - | 4.97 | 57,506 |
| Countries with the Most Tanks | 0 | - | 4.88 | 86,676 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,951,714 |
| Majority Muslim Countries | 0 | - | 4.98 | 353,123 |
| NATO Countries Quiz | 0 | - | 4.98 | 260,567 |
| EU Countries Quiz | 0 | - | 4.99 | 257,222 |
| Top Five Countries by Religion | 0 | - | 4.91 | 160,546 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 140,407 |
| Countries by Number of Books Published | 0 | - | 4.95 | 69,506 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 149,370 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 74,686 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 390,902 |
| Countries with the Most Christians | 0 | - | 4.92 | 135,533 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 47,256 |
| Top Oil Reserve Countries | 0 | - | 4.92 | 71,525 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,455,243 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 82,660 |
| Buddhist Countries | 0 | - | 4.96 | 138,771 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 323,986 |
| Countries with the Most Millionaires | 0 | - | 4.87 | 114,551 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,531,568 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 58,638 |
| Sahara Desert Countries | 0 | - | 4.98 | 149,661 |
| Himalayan Countries | 0 | - | 4.94 | 125,803 |
| Andean Countries | 0 | - | 4.93 | 70,813 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,299 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,873 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,655 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,763 |
| Countries in World War I | 0 | - | 4.88 | 221,533 |
| Danube Countries | 0 | - | 4.97 | 61,809 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,196 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,821 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,679 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,291 |
| European Landlocked Countries | 0 | - | 4.99 | 142,209 |
| Partially Recognized Countries | 0 | - | 4.98 | 100,051 |
| Countries with the Most Species | 0 | - | 4.99 | 93,229 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 221,734 |
| Countries 197 to 205 | 0 | - | 4.88 | 64,979 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,136 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,217 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,108 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,624 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,555 |
| Countries in the Alps | 0 | - | 4.86 | 112,171 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,707 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,708 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,119 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 90,282 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,839 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,717 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,263 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,578 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,546 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,600 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,783 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,582 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,908 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,560 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,406 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,167 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,535 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,437 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,747 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 226,794 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,874 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,773 |
| Largest Countries By Category | 0 | - | 4.97 | 152,649 |
| Countries by Countries | 0 | - | 4.96 | 59,317 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,940 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 363,223 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 387,050 |
| Island Countries Quiz | 0 | - | 4.99 | 695,744 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 70,546 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,007,108 |
| Northernmost Countries | 0 | - | 4.99 | 345,228 |
| Countries of South America | 0 | - | 5.00 | 875,698 |
| Countries of Oceania | 0 | - | 5.00 | 991,753 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,758,611 |
| Countries that Start with A | 0 | - | 4.98 | 2,084,875 |
| Countries that Start with B | 0 | - | 4.95 | 2,222,690 |
| Countries that Start with C | 0 | - | 4.96 | 1,763,764 |
| Countries that Start with D | 0 | - | 4.96 | 669,646 |
| Countries that Start with E | 0 | - | 4.95 | 1,328,522 |
| Countries that Start with G | 0 | - | 4.97 | 1,451,675 |
| Countries that Start with H | 0 | - | 4.96 | 570,855 |
| Countries that Start with I | 0 | - | 4.92 | 1,248,248 |
| Countries that Start with J | 0 | - | 4.98 | 570,612 |
| Countries that Start with K | 0 | - | 4.97 | 782,567 |
| Countries that Start with L | 0 | - | 4.98 | 1,051,391 |
| Countries that Start with N | 0 | - | 4.93 | 1,078,097 |
| Countries that Start with P | 0 | - | 4.95 | 1,177,894 |
| Countries that Start with S | 0 | - | 4.98 | 1,704,402 |
| Countries that Start with T | 0 | - | 4.89 | 979,597 |
| Countries that Start with U | 0 | - | 4.97 | 879,187 |
| Countries that Start with V | 0 | - | 4.98 | 588,897 |
| Countries that Start with F | 0 | - | 4.83 | 589,850 |
| Countries that Start with M | 0 | - | 4.97 | 1,339,231 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 219,630 |
| Countries with U.S. Troops | 0 | - | 4.38 | 130,009 |
| Catholic Countries Quiz | 0 | - | 4.81 | 208,736 |
| Countries with the Most Catholics | 0 | - | 4.89 | 103,369 |
| Orthodox Countries | 0 | - | 4.92 | 126,657 |
| Richest Island Countries | 0 | - | 4.82 | 96,071 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,288,217 |
| Monarchies of Europe | 0 | - | 4.89 | 94,194 |
| Monarchies of Asia | 0 | - | 4.96 | 68,869 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 116,436 |
| Asian Country Superlatives | 0 | - | 4.83 | 78,208 |
| Countries with the Most Muslims | 0 | - | 4.94 | 155,195 |
| Countries with the Most Exports | 0 | - | 4.96 | 150,221 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 183,835 |
| Countries by Oil Consumption | 0 | - | 4.96 | 117,536 |
| Largest Economies in 2050 | 0 | - | 4.90 | 108,020 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 252,842 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 99,447 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 80,897 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 106,831 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 188,711 |
| European Countries with One Border | 0 | - | 4.97 | 176,960 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 173,550 |
| Most Visited Countries by JetPunkers | 0 | - | 4.87 | 114,048 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,853 |
| Countries with Megacities | 0 | - | 4.99 | 222,466 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,676 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,740 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,996 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,151 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 302,674 |
| Countries by Official Language | 0 | - | 4.95 | 186,204 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 284,855 |
| Countries in their Native Language | 0 | - | 4.98 | 190,550 |
| Independence from Whom | 0 | - | 4.99 | 202,713 |
| Subdivisions by Country | 0 | - | 4.85 | 48,984 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,801 |
| Megadiverse Countries | 0 | - | 4.97 | 131,320 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 124,161 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,420 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,743 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,550 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,597 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 156,987 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,294 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 88,778 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,199 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,092 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,651 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 69,780 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,341 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,530 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,022 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 88,331 |
| Richest Countries A-Z | 0 | - | 4.92 | 97,546 |
| Large Countries with Small Economies | 0 | - | 4.94 | 78,332 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,850 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,466 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 100,039 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,871 |
| Countries With the Most Languages | 0 | - | 4.89 | 192,103 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 97,896 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,674 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 94,863 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,044 |
| Tallest Countries North to South | 0 | - | 4.83 | 116,666 |
| Widest Countries East to West | 0 | - | 4.92 | 125,804 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,447 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,643 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,011 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,202 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,338 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,181 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,305 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,844 |
| Countries with Double Letters | 0 | - | 4.97 | 86,187 |
| Countries that End in N | 0 | - | 4.94 | 149,680 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 250,178 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 203,772 |
| Countries with W | 0 | - | 4.97 | 152,786 |
| Countries with Z | 0 | - | 4.98 | 279,766 |
| Countries with Letters Missing | 0 | - | 4.97 | 179,301 |
| Countries That End in U | 0 | - | 4.95 | 116,312 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 103,356 |
| Countries that End in O | 0 | - | 4.92 | 155,882 |
| Countries that End in R | 0 | - | 4.84 | 100,918 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,803 |
| Countries Ending in "IA" | 0 | - | 4.99 | 200,824 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 165,519 |
| Countries by Last Two Letters | 0 | - | 4.88 | 131,666 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 137,574 |
| Countries That End in Y | 0 | - | 4.91 | 182,970 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 191,806 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 147,954 |
| Countries that End in I | 0 | - | 4.92 | 118,173 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 177,074 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,167 |
| Countries That End in NIA | 0 | - | 4.92 | 106,825 |
| Countries That End in BIA | 0 | - | 4.92 | 144,841 |
