| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,079 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,776 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,306 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,272 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,447 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,082 |
| Richest Island Countries | 0 | - | 4.85 | 101,407 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,450 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,734 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,244 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,107 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,766 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,191 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 85,272 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,395 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,998,066 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,613 |
| NATO Countries | 0 | - | 4.98 | 284,199 |
| EU Countries Quiz | 0 | - | 4.99 | 279,118 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,073 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,244 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,912 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,101 |
| Countries with NO Military | 0 | - | 4.97 | 63,666 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,984 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,307 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,423 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,232 |
| Landlocked Countries | 0 | - | 4.99 | 427,605 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,762 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,857 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,005 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,511 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,527 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,393 |
| Buddhist Countries | 0 | - | 4.96 | 145,302 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,909 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,657 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,086 |
| Himalayan Countries | 0 | - | 4.93 | 140,969 |
| Andean Countries | 0 | - | 4.94 | 85,876 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,988 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,597 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,533 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,741 |
| Danube Countries | 0 | - | 4.97 | 72,598 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,856 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,007 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,511 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,985 |
| European Landlocked Countries | 0 | - | 4.99 | 147,809 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,589 |
| Countries with the Most Species | 0 | - | 4.99 | 103,666 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,694 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,827 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,967 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,948 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,700 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,163 |
| Countries in the Alps | 0 | - | 4.87 | 119,030 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,095 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,235 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,086 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,212 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,178 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,419 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,633 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,029 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,529 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,346 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,972 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,849 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,699 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,952 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,053 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,223 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,763 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,712 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,884 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,495 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,607 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,635 |
| Largest Countries By Category | 0 | - | 4.97 | 159,154 |
| Countries by Countries | 0 | - | 4.97 | 63,842 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,272 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,933 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,141 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,574 |
| Island Countries | 0 | - | 4.99 | 713,145 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 50,115 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,595 |
| Northernmost Countries | 0 | - | 4.99 | 364,780 |
| Countries of South America | 0 | - | 5.00 | 934,787 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,075 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,294 |
| "Land" Countries | 0 | - | 4.98 | 339,142 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,198 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,835 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,060 |
| Countries that Start with D | 0 | - | 4.96 | 718,250 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,223 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,816 |
| Countries that Start with H | 0 | - | 4.96 | 610,883 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,360 |
| Countries that Start with J | 0 | - | 4.98 | 608,221 |
| Countries that Start with K | 0 | - | 4.97 | 822,093 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,504 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,608 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,719 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,411 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,214 |
| Countries that Start with U | 0 | - | 4.97 | 909,504 |
| Countries that Start with V | 0 | - | 4.98 | 612,732 |
| Countries that Start with F | 0 | - | 4.83 | 622,289 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,042 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,585 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,214 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,778 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,693 |
| Orthodox Countries | 0 | - | 4.92 | 133,005 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 23,014 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,168 |
| Monarchies of Europe | 0 | - | 4.90 | 99,072 |
| Monarchies of Asia | 0 | - | 4.97 | 71,640 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,408 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,378 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,426 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,758 |
| European Countries with One Border | 0 | - | 4.97 | 184,090 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,804 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,295 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,616 |
| Countries with Megacities | 0 | - | 4.99 | 268,095 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,263 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,395 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,601 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,498 |
| Countries by Official Language | 0 | - | 4.95 | 196,303 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,056 |
| Countries in their Native Language | 0 | - | 4.99 | 200,016 |
| Independence from Whom | 0 | - | 4.99 | 213,501 |
| Subdivisions by Country | 0 | - | 4.87 | 50,680 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,737 |
| Megadiverse Countries | 0 | - | 4.96 | 149,661 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,201 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,592 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,839 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,270 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,527 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,948 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,359 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,648 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,197 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,297 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,866 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,513 |
| Top Net Food-Exporting Countries | 0 | - | 4.42 | 33,575 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,526 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,241 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,041 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,526 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,841 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,851 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,602 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,279 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,750 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,030 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,603 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,717 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,895 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,782 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,001 |
| Widest Countries East to West | 0 | - | 4.92 | 130,895 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.70 | 94,319 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,457 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,583 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,186 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,348 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,643 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,933 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.52 | 292,514 |
| Companies by Country | 0 | - | 4.61 | 120,565 |
| Countries with Double Letters | 0 | - | 4.96 | 97,746 |
| Countries that End in N | 0 | - | 4.95 | 172,748 |
| Countries with Five Letters | 0 | - | 4.96 | 284,804 |
| Countries with Six Letters | 0 | - | 4.94 | 215,082 |
| Countries with W | 0 | - | 4.96 | 161,401 |
| Countries with Z | 0 | - | 4.98 | 293,145 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,771 |
| Countries That End in U | 0 | - | 4.95 | 121,447 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,523 |
| Countries that End in O | 0 | - | 4.92 | 160,418 |
| Countries that End in R | 0 | - | 4.87 | 119,311 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,083 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,236 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,422 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,279 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,950 |
