| Majority Muslim Countries | 0 | - | 4.98 | 368,514 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,041 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,450 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,921 |
| Buddhist Countries | 0 | - | 4.96 | 142,948 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,038 |
| Orthodox Countries | 0 | - | 4.91 | 130,383 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,275 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,593 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,917,041 |
| NATO Countries | 0 | - | 4.98 | 275,729 |
| EU Countries Quiz | 0 | - | 4.99 | 269,918 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,918 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,297 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,751 |
| Countries with NO Military | 0 | - | 4.97 | 61,171 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,902 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,321 |
| Landlocked Countries | 0 | - | 4.99 | 413,572 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,262 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,741 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,136 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,011 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,864 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,086 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,334 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,628 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,761 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,155 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,163 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,290 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,575 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,275 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,414 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,244 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,505 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,250 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,402 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,573 |
| Himalayan Countries | 0 | - | 4.95 | 135,340 |
| Andean Countries | 0 | - | 4.94 | 82,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,207 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,198 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,889 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,598 |
| Danube Countries | 0 | - | 4.97 | 71,077 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,756 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,532 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,466 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,384 |
| European Landlocked Countries | 0 | - | 4.99 | 145,747 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,200 |
| Countries with the Most Species | 0 | - | 4.99 | 95,239 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,334 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,368 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,572 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,949 |
| Countries in the Alps | 0 | - | 4.86 | 116,817 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,557 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,250 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,000 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,414 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,155 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,998 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,571 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,744 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,275 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,045 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,194 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,450 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,738 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,749 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,054 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,636 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,767 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,270 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,666 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,599 |
| Largest Countries By Category | 0 | - | 4.97 | 156,752 |
| Countries by Countries | 0 | - | 4.96 | 62,251 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,762 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,897 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,101 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,829 |
| Island Countries | 0 | - | 4.99 | 707,602 |
| Sharia Law Countries | 0 | - | 4.48 | 63,354 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,812 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,406 |
| Northernmost Countries | 0 | - | 4.99 | 357,707 |
| Countries of South America | 0 | - | 5.00 | 914,634 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,365 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,187 |
| "Land" Countries | 0 | - | 4.98 | 333,642 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,722 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,802 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,253 |
| Countries that Start with D | 0 | - | 4.96 | 701,502 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,474 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,731 |
| Countries that Start with H | 0 | - | 4.96 | 597,927 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,230 |
| Countries that Start with J | 0 | - | 4.98 | 595,994 |
| Countries that Start with K | 0 | - | 4.97 | 809,369 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,840 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,698 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,515 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,473 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,187 |
| Countries that Start with U | 0 | - | 4.97 | 899,907 |
| Countries that Start with V | 0 | - | 4.98 | 605,077 |
| Countries that Start with F | 0 | - | 4.83 | 612,167 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,284 |
| Richest Island Countries | 0 | - | 4.84 | 99,513 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,231 |
| Monarchies of Europe | 0 | - | 4.90 | 97,311 |
| Monarchies of Asia | 0 | - | 4.97 | 70,601 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,436 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,167 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,489 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,552 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,643 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,100 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,941 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,713 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,905 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,249 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,042 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,042 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,031 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,467 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,188 |
| Countries with Megacities | 0 | - | 4.99 | 246,863 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,098 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,955 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,511 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,845 |
| Countries by Official Language | 0 | - | 4.95 | 192,764 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,123 |
| Countries in their Native Language | 0 | - | 4.99 | 196,631 |
| Independence from Whom | 0 | - | 4.99 | 209,683 |
| Subdivisions by Country | 0 | - | 4.86 | 50,064 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,743 |
| Megadiverse Countries | 0 | - | 4.97 | 133,898 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,793 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,918 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,427 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,858 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,654 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,996 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,006 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,141 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,211 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,743 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,562 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,413 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,862 |
| Catholic Countries | 0 | - | 4.78 | 213,655 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,491 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,502 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,087 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,848 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,324 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,325 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,343 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,982 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,945 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,740 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,849 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,057 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,272 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,941 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,333 |
| Widest Countries East to West | 0 | - | 4.92 | 128,600 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,217 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,204 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,562 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,683 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,626 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,037 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,050 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,581 |
| Countries with Double Letters | 0 | - | 4.97 | 93,386 |
| Countries that End in N | 0 | - | 4.94 | 156,818 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,679 |
| Countries with Six Letters | 0 | - | 4.93 | 210,358 |
| Countries with W | 0 | - | 4.97 | 158,223 |
| Countries with Z | 0 | - | 4.98 | 287,871 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,546 |
| Countries That End in U | 0 | - | 4.95 | 119,516 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,539 |
| Countries that End in O | 0 | - | 4.92 | 158,551 |
| Countries that End in R | 0 | - | 4.87 | 118,273 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,857 |