| Countries of the World Quiz | 0 | - | 5.00 | 47,693,216 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,352 |
| NATO Countries | 0 | - | 4.98 | 282,222 |
| EU Countries Quiz | 0 | - | 4.99 | 276,378 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,015 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,348 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,657 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,263 |
| Countries with NO Military | 0 | - | 4.97 | 62,848 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,901 |
| Landlocked Countries | 0 | - | 4.99 | 423,346 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,159 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,889 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,840 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,010 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,745 |
| Buddhist Countries | 0 | - | 4.96 | 144,783 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,282 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,248 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,461 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,912 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,182 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,254 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,816 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,569 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,743 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,214 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,963 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,618 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,870 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,875 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,803 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,478 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,150 |
| Himalayan Countries | 0 | - | 4.94 | 139,341 |
| Andean Countries | 0 | - | 4.94 | 84,941 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,163 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,326 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,730 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,043 |
| Danube Countries | 0 | - | 4.97 | 72,163 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,241 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,569 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,604 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,110 |
| European Landlocked Countries | 0 | - | 4.99 | 147,320 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,894 |
| Countries with the Most Species | 0 | - | 4.99 | 103,375 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,026 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,661 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,776 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,642 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,401 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,807 |
| Countries in the Alps | 0 | - | 4.87 | 118,422 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,904 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,354 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,779 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,759 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,668 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,067 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,858 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,637 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,268 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,738 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,611 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,351 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,600 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,672 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,252 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,435 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,971 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,289 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,685 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,516 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,335 |
| Largest Countries By Category | 0 | - | 4.97 | 158,468 |
| Countries by Countries | 0 | - | 4.96 | 63,393 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,830 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,814 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,952 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,230 |
| Island Countries | 0 | - | 4.99 | 711,563 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,679 |
| Northernmost Countries | 0 | - | 4.99 | 362,675 |
| Countries of South America | 0 | - | 5.00 | 929,302 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,355 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,728 |
| "Land" Countries | 0 | - | 4.98 | 337,731 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,935 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,975 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,336 |
| Countries that Start with D | 0 | - | 4.96 | 713,451 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,607 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,887 |
| Countries that Start with H | 0 | - | 4.96 | 607,449 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,835 |
| Countries that Start with J | 0 | - | 4.98 | 604,944 |
| Countries that Start with K | 0 | - | 4.97 | 818,583 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,118 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,169 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,509 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,541 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,824 |
| Countries that Start with U | 0 | - | 4.97 | 906,547 |
| Countries that Start with V | 0 | - | 4.98 | 610,796 |
| Countries that Start with F | 0 | - | 4.83 | 619,656 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,425 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,018 |
| Orthodox Countries | 0 | - | 4.92 | 132,464 |
| Richest Island Countries | 0 | - | 4.85 | 100,938 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,275 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 23,616 |
| Monarchies of Europe | 0 | - | 4.90 | 98,513 |
| Monarchies of Asia | 0 | - | 4.97 | 71,337 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,385 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,124 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,859 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,813 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,157 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,615 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,710 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,461 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,682 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,831 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,199 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,723 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,134 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,223 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,102 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,488 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,380 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,770 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,329 |
| Countries with Megacities | 0 | - | 4.99 | 265,550 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,125 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,691 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,388 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,761 |
| Countries by Official Language | 0 | - | 4.95 | 195,535 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,786 |
| Countries in their Native Language | 0 | - | 4.99 | 199,322 |
| Independence from Whom | 0 | - | 4.99 | 212,428 |
| Subdivisions by Country | 0 | - | 4.87 | 50,504 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,979 |
| Megadiverse Countries | 0 | - | 4.96 | 135,121 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,342 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,433 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,314 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,148 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,318 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,673 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,660 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,441 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,726 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,194 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,985 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,979 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,294 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,032 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,541 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,659 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,148 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,493 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,385 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,468 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,166 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,711 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,063 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,180 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,429 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,515 |
| Tallest Countries North to South | 0 | - | 4.83 | 121,290 |
| Widest Countries East to West | 0 | - | 4.92 | 129,802 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,488 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,935 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,405 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,868 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,750 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,009 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,426 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,828 |
| Countries with Double Letters | 0 | - | 4.96 | 96,561 |
| Countries that End in N | 0 | - | 4.95 | 171,464 |
| Countries with Five Letters | 0 | - | 4.96 | 283,033 |
| Countries with Six Letters | 0 | - | 4.94 | 213,901 |
| Countries with W | 0 | - | 4.96 | 160,566 |
| Countries with Z | 0 | - | 4.98 | 291,823 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,932 |
| Countries That End in U | 0 | - | 4.95 | 120,979 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,709 |
| Countries that End in O | 0 | - | 4.92 | 159,632 |
| Countries that End in R | 0 | - | 4.87 | 119,052 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,807 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,386 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,864 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,615 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,521 |
| Countries That End in Y | 0 | - | 4.91 | 185,964 |
