| Richest Island Countries | 0 | - | 4.85 | 101,382 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,085 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,658 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,164 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,244 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,369 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,055 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,764 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,842 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,289 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,254 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,376 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,019 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,567 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,404 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,703 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,059 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,983,191 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,506 |
| NATO Countries | 0 | - | 4.98 | 284,074 |
| EU Countries Quiz | 0 | - | 4.99 | 278,983 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,994 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,076 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,836 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,053 |
| Countries with NO Military | 0 | - | 4.97 | 63,624 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,962 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,268 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,408 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,205 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.53 | 292,472 |
| Five Richest Countries by Continent | 0 | - | 4.70 | 208,202 |
| Landlocked Countries | 0 | - | 4.99 | 427,416 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,711 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,966 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,484 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,439 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,370 |
| Buddhist Countries | 0 | - | 4.96 | 145,275 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,669 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,997 |
| Himalayan Countries | 0 | - | 4.93 | 140,897 |
| Andean Countries | 0 | - | 4.94 | 85,833 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,954 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,532 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,492 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,711 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,826 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,992 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,476 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,950 |
| European Landlocked Countries | 0 | - | 4.99 | 147,794 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,561 |
| Countries with the Most Species | 0 | - | 4.99 | 103,656 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,664 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,935 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,689 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,146 |
| Countries in the Alps | 0 | - | 4.87 | 119,006 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,051 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,187 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,075 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,191 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,149 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,616 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,011 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,519 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,325 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,964 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,835 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,685 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,940 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,040 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,176 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,748 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,590 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,860 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,406 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,547 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,627 |
| Largest Countries By Category | 0 | - | 4.97 | 159,121 |
| Countries by Countries | 0 | - | 4.97 | 63,820 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,248 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,778 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,093 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,466 |
| Island Countries | 0 | - | 4.99 | 713,068 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 73,063 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 50,097 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,376 |
| Northernmost Countries | 0 | - | 4.99 | 364,684 |
| Countries of South America | 0 | - | 5.00 | 934,529 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,802 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,647 |
| "Land" Countries | 0 | - | 4.98 | 339,069 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,821 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,434 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,751 |
| Countries that Start with D | 0 | - | 4.96 | 718,031 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,954 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,536 |
| Countries that Start with H | 0 | - | 4.96 | 610,717 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,096 |
| Countries that Start with J | 0 | - | 4.98 | 608,092 |
| Countries that Start with K | 0 | - | 4.97 | 821,928 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,296 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,404 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,519 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,146 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,067 |
| Countries that Start with U | 0 | - | 4.97 | 909,358 |
| Countries that Start with V | 0 | - | 4.98 | 612,648 |
| Countries that Start with F | 0 | - | 4.83 | 622,157 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,840 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,774 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,662 |
| Orthodox Countries | 0 | - | 4.92 | 132,981 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 23,012 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,639 |
| Monarchies of Europe | 0 | - | 4.90 | 99,047 |
| Monarchies of Asia | 0 | - | 4.97 | 71,618 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,372 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,366 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,396 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,726 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,265 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,554 |
| Countries with Megacities | 0 | - | 4.99 | 267,970 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,204 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,364 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,530 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,469 |
| Countries by Official Language | 0 | - | 4.95 | 196,263 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,001 |
| Countries in their Native Language | 0 | - | 4.99 | 199,982 |
| Independence from Whom | 0 | - | 4.99 | 213,452 |
| Subdivisions by Country | 0 | - | 4.87 | 50,674 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,698 |
| Megadiverse Countries | 0 | - | 4.96 | 149,446 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,166 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,588 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,822 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,265 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,501 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,933 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,311 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,639 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,180 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,291 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,822 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,503 |
| Top Net Food-Exporting Countries | 0 | - | 4.42 | 33,573 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,518 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,229 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,996 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,504 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,773 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,833 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,560 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,255 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,727 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,982 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,576 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,689 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,872 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,773 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,969 |
| Widest Countries East to West | 0 | - | 4.92 | 130,876 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.70 | 94,307 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,634 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,426 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,572 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,174 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,137 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,628 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,543 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,928 |
| Companies by Country | 0 | - | 4.61 | 120,544 |
| Countries with Double Letters | 0 | - | 4.96 | 97,687 |
| Countries that End in N | 0 | - | 4.95 | 172,694 |
| Countries with Five Letters | 0 | - | 4.96 | 284,724 |
| Countries with Six Letters | 0 | - | 4.94 | 215,020 |
| Countries with W | 0 | - | 4.96 | 161,359 |
| Countries with Z | 0 | - | 4.98 | 293,089 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,728 |
| Countries That End in U | 0 | - | 4.95 | 121,417 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,477 |
| Countries that End in O | 0 | - | 4.92 | 160,394 |
| Countries that End in R | 0 | - | 4.87 | 119,297 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,073 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,193 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,855 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,252 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,894 |
| Countries That End in Y | 0 | - | 4.91 | 186,189 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,414 |