| Majority Muslim Countries | 0 | - | 4.98 | 326,737 |
| NATO Countries Quiz | 0 | - | 4.98 | 254,814 |
| EU Countries Quiz | 0 | - | 4.99 | 239,598 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 262,590 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 244,856 |
| Top Five Countries by Religion | 0 | - | 4.91 | 154,744 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 136,315 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 100,741 |
| Countries with NO Military | 0 | - | 4.96 | 55,011 |
| Countries by Number of Books Published | 0 | - | 4.94 | 67,672 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,588,825 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 372,946 |
| Countries with Glaciers | 0 | - | 4.97 | 100,425 |
| Countries with the Most Christians | 0 | - | 4.92 | 130,755 |
| Countries with the Most Tanks | 0 | - | 4.85 | 80,104 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 45,259 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 69,657 |
| Countries with the Most Forest | 0 | - | 4.88 | 141,768 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,330,415 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 79,252 |
| Buddhist Countries | 0 | - | 4.96 | 136,030 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.84 | 52,854 |
| Countries with the Most Millionaires | 0 | - | 4.83 | 96,415 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,402,984 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,028 |
| Himalayan Countries | 0 | - | 4.95 | 118,218 |
| Andean Countries | 0 | - | 4.92 | 66,184 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,287 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 54,937 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,097 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,004 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,707 |
| Danube Countries | 0 | - | 4.97 | 59,755 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,429 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,835 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,017 |
| Countries with the Worst Passports | 0 | - | 4.92 | 59,978 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,069 |
| European Landlocked Countries | 0 | - | 4.99 | 139,712 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,155 |
| Countries with the Most Species | 0 | - | 4.99 | 91,623 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,659 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,240 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,372 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,643 |
| Countries that Use the Peso | 0 | - | 4.83 | 48,821 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,251 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,674 |
| Countries in the Alps | 0 | - | 4.86 | 108,512 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,586 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,669 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,456 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,274 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,006 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 93,870 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 48,983 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,318 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 57,867 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,050 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,654 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,519 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,282 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,003 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,619 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 106,825 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,075 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,013 |
| Countries with the Most Catholics | 0 | - | 4.89 | 100,066 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 217,529 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,469 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,374 |
| Largest Countries By Category | 0 | - | 4.97 | 149,902 |
| Orthodox Countries | 0 | - | 4.91 | 123,347 |
| Countries by Countries | 0 | - | 4.96 | 57,686 |
| Richest Island Countries | 0 | - | 4.82 | 93,478 |
| Monarchies of Europe | 0 | - | 4.89 | 92,090 |
| Monarchies of Asia | 0 | - | 4.96 | 67,504 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 299,022 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 218,893 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 113,107 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,759 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 314,955 |
| Countries with the Most Muslims | 0 | - | 4.94 | 152,022 |
| Countries with the Most Exports | 0 | - | 4.96 | 146,825 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 180,140 |
| Countries by Oil Consumption | 0 | - | 4.96 | 115,368 |
| Largest Economies in 2050 | 0 | - | 4.89 | 105,238 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 248,309 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 96,225 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 78,580 |
| Countries that Start with A | 0 | - | 4.98 | 2,041,079 |
| Countries that Start with B | 0 | - | 4.95 | 2,179,126 |
| Countries that Start with C | 0 | - | 4.96 | 1,727,718 |
| Countries that Start with D | 0 | - | 4.96 | 645,918 |
| Countries that Start with E | 0 | - | 4.95 | 1,298,218 |
| Countries that Start with G | 0 | - | 4.97 | 1,420,027 |
| Countries that Start with H | 0 | - | 4.96 | 550,828 |
| Countries that Start with I | 0 | - | 4.92 | 1,222,535 |
| Countries that Start with J | 0 | - | 4.98 | 551,495 |
| Countries that Start with K | 0 | - | 4.96 | 761,092 |
| Countries that Start with L | 0 | - | 4.98 | 1,026,056 |
| Countries that Start with N | 0 | - | 4.93 | 1,052,811 |
| Countries that Start with P | 0 | - | 4.95 | 1,153,515 |
| Countries that Start with S | 0 | - | 4.98 | 1,673,027 |
| Countries that Start with T | 0 | - | 4.89 | 959,787 |
| Countries that Start with U | 0 | - | 4.97 | 862,104 |
| Countries that Start with V | 0 | - | 4.98 | 576,378 |
| Countries that Start with F | 0 | - | 4.83 | 573,300 |
| Countries that Start with M | 0 | - | 4.97 | 1,312,017 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 104,163 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 185,111 |
| Most Visited Countries by JetPunkers | 0 | - | 4.88 | 108,911 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 356,440 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,290 |
| Island Countries Quiz | 0 | - | 4.99 | 685,130 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,223,001 |
| Biggest Countries by Area | 0 | - | 5.00 | 978,719 |
| Northernmost Countries | 0 | - | 4.99 | 339,728 |
| Countries of South America | 0 | - | 5.00 | 847,423 |
| Countries of Oceania | 0 | - | 5.00 | 957,968 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,695,560 |
| Most Forested European Countries | 0 | - | 4.81 | 71,996 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,013 |
| Richest Countries A-Z | 0 | - | 4.93 | 94,535 |
| Large Countries with Small Economies | 0 | - | 4.94 | 76,772 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 186,440 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,503 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 119,499 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 146,580 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 73,656 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,368,202 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,788 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,010 |
| Countries with Megacities | 0 | - | 4.99 | 213,707 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 183,984 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,746 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,204 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,453 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,766 |
| Countries by Official Language | 0 | - | 4.95 | 181,789 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 278,723 |
| Countries in their Native Language | 0 | - | 4.98 | 186,765 |
| Independence from Whom | 0 | - | 4.99 | 197,257 |
| Subdivisions by Country | 0 | - | 4.86 | 48,121 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 121,752 |
| Megadiverse Countries | 0 | - | 4.96 | 129,744 |
| Countries With the Most English Speakers | 0 | - | 4.88 | 115,933 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,105 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,055 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 153,807 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,751 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,788 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,242 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,520 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,073 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,385 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,094 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,254 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,602 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 71,483 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 67,888 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,660 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,420 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,178 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,790 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,522 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,730 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,371 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,092 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,595 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,704 |
| Widest Countries East to West | 0 | - | 4.93 | 123,627 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,909 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,190 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,004 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,467 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 123,916 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,432 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,733 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,285 |
| Countries with Double Letters | 0 | - | 4.96 | 79,716 |
| Countries that End in N | 0 | - | 4.93 | 144,001 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 242,778 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,186 |
| Countries with W | 0 | - | 4.97 | 131,684 |
| Countries with Z | 0 | - | 4.98 | 273,262 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,018 |
| Countries That End in U | 0 | - | 4.95 | 113,135 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,482 |
| Countries that End in O | 0 | - | 4.92 | 152,844 |
| Countries that End in R | 0 | - | 4.84 | 99,345 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 150,973 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,019 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,121 |
| Countries by Last Two Letters | 0 | - | 4.89 | 120,900 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,427 |
| Countries That End in Y | 0 | - | 4.91 | 181,096 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,514 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,364 |
