| Richest Island Countries | 0 | - | 4.85 | 101,415 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,115 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,810 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,207 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 85,280 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,403 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,089 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,779 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,866 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,315 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,277 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,479 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,108 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,588 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,463 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,754 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,304 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,003,895 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,655 |
| NATO Countries | 0 | - | 4.98 | 284,245 |
| EU Countries Quiz | 0 | - | 4.99 | 279,172 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,114 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,297 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,933 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,115 |
| Countries with NO Military | 0 | - | 4.97 | 63,676 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,992 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,320 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,429 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,241 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.52 | 292,528 |
| Five Richest Countries by Continent | 0 | - | 4.70 | 208,247 |
| Landlocked Countries | 0 | - | 4.99 | 427,675 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,779 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,017 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,518 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,556 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,413 |
| Buddhist Countries | 0 | - | 4.96 | 145,313 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,392 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,117 |
| Himalayan Countries | 0 | - | 4.93 | 141,006 |
| Andean Countries | 0 | - | 4.94 | 85,892 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,005 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,618 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,548 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,753 |
| 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 | 87,017 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,524 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,002 |
| European Landlocked Countries | 0 | - | 4.99 | 147,815 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,602 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,706 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,829 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,971 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,954 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,704 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,172 |
| Countries in the Alps | 0 | - | 4.87 | 119,046 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,114 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,249 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,090 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,217 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,187 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,423 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,641 |
| 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 | 63,348 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,977 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,850 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,704 |
| 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 | 120,246 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,767 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,761 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,900 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,544 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,629 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,641 |
| Largest Countries By Category | 0 | - | 4.97 | 159,174 |
| Countries by Countries | 0 | - | 4.97 | 63,851 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,283 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,008 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,164 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,616 |
| Island Countries | 0 | - | 4.99 | 713,179 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 73,083 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 50,118 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,685 |
| Northernmost Countries | 0 | - | 4.99 | 364,817 |
| Countries of South America | 0 | - | 5.00 | 934,868 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,224 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,534 |
| "Land" Countries | 0 | - | 4.98 | 339,161 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,365 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,002 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,192 |
| Countries that Start with D | 0 | - | 4.96 | 718,356 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,337 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,935 |
| Countries that Start with H | 0 | - | 4.96 | 610,962 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,463 |
| Countries that Start with J | 0 | - | 4.98 | 608,285 |
| Countries that Start with K | 0 | - | 4.97 | 822,170 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,594 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,698 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,798 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,513 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,277 |
| Countries that Start with U | 0 | - | 4.97 | 909,566 |
| Countries that Start with V | 0 | - | 4.98 | 612,778 |
| Countries that Start with F | 0 | - | 4.83 | 622,350 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,138 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,786 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,706 |
| Orthodox Countries | 0 | - | 4.92 | 133,016 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 23,014 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,374 |
| Monarchies of Europe | 0 | - | 4.90 | 99,081 |
| Monarchies of Asia | 0 | - | 4.97 | 71,642 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,424 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,385 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,435 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,771 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,303 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,641 |
| Countries with Megacities | 0 | - | 4.99 | 268,152 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,292 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,405 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,618 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,519 |
| Countries by Official Language | 0 | - | 4.95 | 196,322 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,079 |
| Countries in their Native Language | 0 | - | 4.99 | 200,030 |
| Independence from Whom | 0 | - | 4.99 | 213,525 |
| Subdivisions by Country | 0 | - | 4.87 | 50,682 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,750 |
| Megadiverse Countries | 0 | - | 4.96 | 149,737 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,212 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,594 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,842 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,272 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,541 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,954 |
| 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 | 96,206 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,299 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,884 |
| 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 | 201,058 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,537 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,869 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,859 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,618 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,288 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,760 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,051 |
| 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 | 99,901 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,784 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,010 |
| Widest Countries East to West | 0 | - | 4.92 | 130,903 |
| 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 | 187,463 |
| 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 | 149,448 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,646 |
| 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 | 120,573 |
| Countries with Double Letters | 0 | - | 4.96 | 97,767 |
| Countries that End in N | 0 | - | 4.95 | 172,765 |
| Countries with Five Letters | 0 | - | 4.96 | 284,823 |
| Countries with Six Letters | 0 | - | 4.94 | 215,101 |
| Countries with W | 0 | - | 4.96 | 161,414 |
| Countries with Z | 0 | - | 4.98 | 293,158 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,787 |
| Countries That End in U | 0 | - | 4.95 | 121,452 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,539 |
| Countries that End in O | 0 | - | 4.92 | 160,422 |
| Countries that End in R | 0 | - | 4.87 | 119,314 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,085 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,253 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,578 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,296 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,968 |
| Countries That End in Y | 0 | - | 4.91 | 186,201 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,504 |