| Richest Island Countries | 0 | - | 4.85 | 101,419 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,118 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,813 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,210 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 85,282 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,404 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,090 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,780 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,867 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,317 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,278 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,483 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,110 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,589 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,464 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,756 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,308 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,004,919 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,667 |
| NATO Countries | 0 | - | 4.98 | 284,252 |
| EU Countries Quiz | 0 | - | 4.99 | 279,177 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,125 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,305 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,942 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,119 |
| Countries with NO Military | 0 | - | 4.97 | 63,678 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,994 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,322 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,431 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,245 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.52 | 292,530 |
| Five Richest Countries by Continent | 0 | - | 4.70 | 208,248 |
| Landlocked Countries | 0 | - | 4.99 | 427,685 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,780 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,019 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,519 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,560 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,417 |
| Buddhist Countries | 0 | - | 4.96 | 145,316 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,486 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,122 |
| Himalayan Countries | 0 | - | 4.93 | 141,008 |
| Andean Countries | 0 | - | 4.94 | 85,894 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,007 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,618 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,549 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,755 |
| Danube Countries | 0 | - | 4.97 | 72,607 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,871 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,019 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,526 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,004 |
| European Landlocked Countries | 0 | - | 4.99 | 147,818 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,603 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,707 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,830 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,974 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,706 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,174 |
| Countries in the Alps | 0 | - | 4.87 | 119,046 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,117 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,253 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,091 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,218 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,189 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,423 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,642 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,033 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,536 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,349 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,977 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,851 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,705 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,959 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,062 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,255 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,768 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,763 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,904 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,554 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,631 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,642 |
| Largest Countries By Category | 0 | - | 4.97 | 159,179 |
| Countries by Countries | 0 | - | 4.97 | 63,853 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,286 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,022 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,168 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,620 |
| Island Countries | 0 | - | 4.99 | 713,185 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 73,084 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 50,118 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,704 |
| Northernmost Countries | 0 | - | 4.99 | 364,828 |
| Countries of South America | 0 | - | 5.00 | 934,890 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,233 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,572 |
| "Land" Countries | 0 | - | 4.98 | 339,165 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,398 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,034 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,222 |
| Countries that Start with D | 0 | - | 4.96 | 718,375 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,353 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,953 |
| Countries that Start with H | 0 | - | 4.96 | 610,971 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,479 |
| Countries that Start with J | 0 | - | 4.98 | 608,293 |
| Countries that Start with K | 0 | - | 4.97 | 822,181 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,613 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,712 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,816 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,543 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,290 |
| Countries that Start with U | 0 | - | 4.97 | 909,576 |
| Countries that Start with V | 0 | - | 4.98 | 612,785 |
| Countries that Start with F | 0 | - | 4.83 | 622,355 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,151 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,787 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,708 |
| Orthodox Countries | 0 | - | 4.92 | 133,018 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 23,014 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,431 |
| Monarchies of Europe | 0 | - | 4.90 | 99,084 |
| Monarchies of Asia | 0 | - | 4.97 | 71,643 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,425 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,386 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,437 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,772 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,303 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,646 |
| Countries with Megacities | 0 | - | 4.99 | 268,165 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,294 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,405 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,624 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,521 |
| Countries by Official Language | 0 | - | 4.95 | 196,324 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,081 |
| Countries in their Native Language | 0 | - | 4.99 | 200,036 |
| Independence from Whom | 0 | - | 4.99 | 213,529 |
| Subdivisions by Country | 0 | - | 4.87 | 50,682 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,751 |
| Megadiverse Countries | 0 | - | 4.96 | 149,746 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,213 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,594 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,844 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,272 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,545 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,955 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,372 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,653 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,207 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,299 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,888 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,517 |
| Top Net Food-Exporting Countries | 0 | - | 4.42 | 33,576 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,528 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,248 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,062 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,537 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,874 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,860 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,625 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,289 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,761 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,056 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,613 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,724 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,902 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,784 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,014 |
| Widest Countries East to West | 0 | - | 4.92 | 130,904 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.70 | 94,325 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,465 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,585 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,195 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,466 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,647 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,934 |
| Companies by Country | 0 | - | 4.61 | 120,576 |
| Countries with Double Letters | 0 | - | 4.96 | 97,768 |
| Countries that End in N | 0 | - | 4.95 | 172,771 |
| Countries with Five Letters | 0 | - | 4.96 | 284,829 |
| Countries with Six Letters | 0 | - | 4.94 | 215,103 |
| Countries with W | 0 | - | 4.96 | 161,417 |
| Countries with Z | 0 | - | 4.98 | 293,162 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,790 |
| Countries That End in U | 0 | - | 4.95 | 121,452 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,540 |
| Countries that End in O | 0 | - | 4.92 | 160,423 |
| Countries that End in R | 0 | - | 4.87 | 119,315 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,086 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,257 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,595 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,297 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,968 |
| Countries That End in Y | 0 | - | 4.91 | 186,202 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,507 |
