| Richest Island Countries | 0 | - | 4.85 | 100,760 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,586 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,444 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,498 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,697 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,461 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,402 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,505 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,067 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,704 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,899 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,888 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,914 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,240 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,612 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,950 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,520 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,574,282 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,427 |
| NATO Countries | 0 | - | 4.98 | 281,451 |
| EU Countries Quiz | 0 | - | 4.99 | 275,402 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,227 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,336 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,167 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,902 |
| Countries with NO Military | 0 | - | 4.97 | 62,603 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,355 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,425 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,037 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,781 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.53 | 291,356 |
| Five Richest Countries by Continent | 0 | - | 4.69 | 207,498 |
| Landlocked Countries | 0 | - | 4.99 | 421,858 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,367 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,563 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,654 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,666 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,480 |
| Buddhist Countries | 0 | - | 4.96 | 144,574 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,777,920 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,387 |
| Himalayan Countries | 0 | - | 4.95 | 138,662 |
| Andean Countries | 0 | - | 4.93 | 84,577 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,772 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,776 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,401 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,788 |
| Danube Countries | 0 | - | 4.97 | 71,997 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,001 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,416 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,276 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,759 |
| European Landlocked Countries | 0 | - | 4.99 | 147,134 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,622 |
| Countries with the Most Species | 0 | - | 4.99 | 103,234 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,747 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,582 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,718 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,535 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,216 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,647 |
| Countries in the Alps | 0 | - | 4.87 | 118,191 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,042 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,013 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,636 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,590 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,497 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,663 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,480 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,174 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,832 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,646 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,517 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,216 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,460 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,506 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,877 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,301 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,631 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,056 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,879 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,070 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,218 |
| Largest Countries By Category | 0 | - | 4.97 | 158,196 |
| Countries by Countries | 0 | - | 4.96 | 63,211 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,671 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,490 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,473 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,132 |
| Island Countries | 0 | - | 4.99 | 711,008 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,732 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,917 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,728 |
| Northernmost Countries | 0 | - | 4.99 | 361,912 |
| Countries of South America | 0 | - | 5.00 | 927,221 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,671 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,910 |
| "Land" Countries | 0 | - | 4.98 | 337,304 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,110 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,555 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,641 |
| Countries that Start with D | 0 | - | 4.96 | 711,483 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,359 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,605 |
| Countries that Start with H | 0 | - | 4.96 | 606,046 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,990 |
| Countries that Start with J | 0 | - | 4.98 | 603,662 |
| Countries that Start with K | 0 | - | 4.97 | 817,183 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,369 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,394 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,798 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,163 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,104 |
| Countries that Start with U | 0 | - | 4.97 | 905,526 |
| Countries that Start with V | 0 | - | 4.98 | 610,058 |
| Countries that Start with F | 0 | - | 4.83 | 618,607 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,529 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,632 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,742 |
| Orthodox Countries | 0 | - | 4.92 | 132,218 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 22,933 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,387 |
| Monarchies of Europe | 0 | - | 4.90 | 98,324 |
| Monarchies of Asia | 0 | - | 4.97 | 71,202 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,100 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,996 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,626 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,984 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,567 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,853 |
| Countries with Megacities | 0 | - | 4.99 | 264,479 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,712 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,456 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,975 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,519 |
| Countries by Official Language | 0 | - | 4.95 | 195,231 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,332 |
| Countries in their Native Language | 0 | - | 4.99 | 199,023 |
| Independence from Whom | 0 | - | 4.99 | 212,065 |
| Subdivisions by Country | 0 | - | 4.86 | 50,426 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,709 |
| Megadiverse Countries | 0 | - | 4.96 | 135,003 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,062 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,343 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,231 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,097 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,130 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,590 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,456 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,026 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,648 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,142 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,654 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,870 |
| Top Net Food-Exporting Countries | 0 | - | 4.42 | 33,469 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,195 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,957 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,750 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,782 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,351 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,343 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,066 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,266 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,988 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,162 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,880 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,002 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,290 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,434 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,562 |
| Widest Countries East to West | 0 | - | 4.92 | 129,629 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.69 | 93,870 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,450 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,363 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,117 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,762 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,588 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,856 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,370 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,796 |
| Companies by Country | 0 | - | 4.61 | 119,793 |
| Countries with Double Letters | 0 | - | 4.96 | 96,211 |
| Countries that End in N | 0 | - | 4.95 | 171,083 |
| Countries with Five Letters | 0 | - | 4.96 | 282,389 |
| Countries with Six Letters | 0 | - | 4.94 | 213,510 |
| Countries with W | 0 | - | 4.97 | 160,301 |
| Countries with Z | 0 | - | 4.98 | 291,408 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,672 |
| Countries That End in U | 0 | - | 4.95 | 120,836 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,432 |
| Countries that End in O | 0 | - | 4.92 | 159,498 |
| Countries that End in R | 0 | - | 4.87 | 118,958 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,716 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,052 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,675 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,457 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,371 |
| Countries That End in Y | 0 | - | 4.91 | 185,860 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,888 |
