| Countries of the World Quiz | 0 | - | 5.00 | 47,893,658 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,816 |
| NATO Countries | 0 | - | 4.98 | 283,527 |
| EU Countries Quiz | 0 | - | 4.99 | 278,029 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,471 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,074 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,449 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,805 |
| Countries with NO Military | 0 | - | 4.97 | 63,435 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,113 |
| Landlocked Countries | 0 | - | 4.99 | 426,078 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,719 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,321 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,170 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,165 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,167 |
| Buddhist Countries | 0 | - | 4.96 | 145,123 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 336,977 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,720 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,658 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,572 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,559 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,560 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,990 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,837 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,091 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,809 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,368 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,937 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,179 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 38,813 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,945 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,655 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,380 |
| Himalayan Countries | 0 | - | 4.93 | 140,336 |
| Andean Countries | 0 | - | 4.94 | 85,517 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,661 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,074 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,236 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,464 |
| Danube Countries | 0 | - | 4.97 | 72,429 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,624 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,860 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,167 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,649 |
| European Landlocked Countries | 0 | - | 4.99 | 147,626 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,337 |
| Countries with the Most Species | 0 | - | 4.99 | 103,579 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,434 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,783 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,853 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,590 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,034 |
| Countries in the Alps | 0 | - | 4.87 | 118,806 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,682 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,908 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,975 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,041 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,982 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,279 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,430 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,882 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,440 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,196 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,892 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,754 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,573 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,816 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,907 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,894 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,632 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,106 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,704 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,805 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,205 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,528 |
| Largest Countries By Category | 0 | - | 4.97 | 158,892 |
| Countries by Countries | 0 | - | 4.96 | 63,664 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,125 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,620 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,741 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,796 |
| Island Countries | 0 | - | 4.99 | 712,631 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,971 |
| Northernmost Countries | 0 | - | 4.99 | 364,106 |
| Countries of South America | 0 | - | 5.00 | 932,951 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,699 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,941 |
| "Land" Countries | 0 | - | 4.98 | 338,435 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,093 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,797 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,723 |
| Countries that Start with D | 0 | - | 4.96 | 716,608 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,309 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,755 |
| Countries that Start with H | 0 | - | 4.96 | 609,704 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,737 |
| Countries that Start with J | 0 | - | 4.98 | 607,101 |
| Countries that Start with K | 0 | - | 4.97 | 820,886 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,980 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,030 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,186 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,369 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,030 |
| Countries that Start with U | 0 | - | 4.97 | 908,578 |
| Countries that Start with V | 0 | - | 4.98 | 612,086 |
| Countries that Start with F | 0 | - | 4.83 | 621,387 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,441 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,456 |
| Orthodox Countries | 0 | - | 4.92 | 132,824 |
| Richest Island Countries | 0 | - | 4.85 | 101,235 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,247 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,126 |
| Monarchies of Europe | 0 | - | 4.90 | 98,889 |
| Monarchies of Asia | 0 | - | 4.97 | 71,515 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,134 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,296 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,213 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,182 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,498 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,793 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,944 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,950 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,002 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,102 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,567 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,165 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,359 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,832 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,540 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,879 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,615 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,108 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,220 |
| Countries with Megacities | 0 | - | 4.99 | 267,233 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,903 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,167 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,217 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,281 |
| Countries by Official Language | 0 | - | 4.95 | 196,038 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,677 |
| Countries in their Native Language | 0 | - | 4.99 | 199,767 |
| Independence from Whom | 0 | - | 4.99 | 213,119 |
| Subdivisions by Country | 0 | - | 4.87 | 50,624 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,474 |
| Megadiverse Countries | 0 | - | 4.96 | 135,292 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,974 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,546 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,704 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,294 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,862 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,137 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,573 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,080 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,262 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,573 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,387 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,449 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,157 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,856 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,068 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,314 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,728 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,302 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,110 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,582 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,637 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,461 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,561 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,761 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,710 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,760 |
| Widest Countries East to West | 0 | - | 4.92 | 130,572 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,603 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,276 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,525 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,072 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,001 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,499 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,509 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,896 |
| Countries with Double Letters | 0 | - | 4.96 | 97,122 |
| Countries that End in N | 0 | - | 4.95 | 171,994 |
| Countries with Five Letters | 0 | - | 4.96 | 283,917 |
| Countries with Six Letters | 0 | - | 4.94 | 214,531 |
| Countries with W | 0 | - | 4.96 | 160,988 |
| Countries with Z | 0 | - | 4.98 | 292,507 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,317 |
| Countries That End in U | 0 | - | 4.95 | 121,208 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,140 |
| Countries that End in O | 0 | - | 4.92 | 160,230 |
| Countries that End in R | 0 | - | 4.87 | 119,195 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,955 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,893 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,181 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,849 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,779 |
| Countries That End in Y | 0 | - | 4.91 | 186,098 |
