| Majority Muslim Countries | 0 | - | 4.98 | 368,382 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,986 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,404 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,889 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,986 |
| Orthodox Countries | 0 | - | 4.91 | 130,345 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,243 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,563 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,899,193 |
| NATO Countries | 0 | - | 4.98 | 275,563 |
| EU Countries Quiz | 0 | - | 4.99 | 269,787 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,815 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,134 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,708 |
| Countries with NO Military | 0 | - | 4.97 | 61,145 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,890 |
| Landlocked Countries | 0 | - | 4.99 | 413,367 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,230 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,708 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,101 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,908 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,774 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,031 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,394 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,475 |
| Himalayan Countries | 0 | - | 4.95 | 135,262 |
| Andean Countries | 0 | - | 4.94 | 82,776 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,189 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,134 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,851 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,560 |
| Danube Countries | 0 | - | 4.97 | 71,060 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,722 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,513 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,414 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,339 |
| European Landlocked Countries | 0 | - | 4.99 | 145,724 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,162 |
| Countries with the Most Species | 0 | - | 4.99 | 95,229 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,302 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,358 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,946 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,556 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,927 |
| Countries in the Alps | 0 | - | 4.86 | 116,778 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,531 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,204 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,990 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,400 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,123 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,975 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,541 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,730 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,157 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,029 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,186 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,027 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,425 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,716 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,729 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,012 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,617 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,241 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,743 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,140 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,559 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,581 |
| Largest Countries By Category | 0 | - | 4.97 | 156,713 |
| Countries by Countries | 0 | - | 4.96 | 62,235 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,732 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,562 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,035 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,691 |
| Island Countries | 0 | - | 4.99 | 707,517 |
| Sharia Law Countries | 0 | - | 4.48 | 63,343 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,802 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,142 |
| Northernmost Countries | 0 | - | 4.99 | 357,584 |
| Countries of South America | 0 | - | 5.00 | 914,272 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,912 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,425 |
| "Land" Countries | 0 | - | 4.98 | 333,572 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,207 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,343 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,870 |
| Countries that Start with D | 0 | - | 4.96 | 701,236 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,170 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,408 |
| Countries that Start with H | 0 | - | 4.96 | 597,700 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,007 |
| Countries that Start with J | 0 | - | 4.98 | 595,777 |
| Countries that Start with K | 0 | - | 4.97 | 809,188 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,612 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,464 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,296 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,155 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,007 |
| Countries that Start with U | 0 | - | 4.97 | 899,773 |
| Countries that Start with V | 0 | - | 4.98 | 604,940 |
| Countries that Start with F | 0 | - | 4.83 | 611,990 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,039 |
| Richest Island Countries | 0 | - | 4.84 | 99,482 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,609 |
| Monarchies of Europe | 0 | - | 4.90 | 97,290 |
| Monarchies of Asia | 0 | - | 4.97 | 70,587 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,394 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,422 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,126 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,460 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,528 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,622 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,997 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,912 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,687 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,864 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,424 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,037 |
| Countries with Megacities | 0 | - | 4.99 | 246,607 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,963 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,829 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,401 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,769 |
| Countries by Official Language | 0 | - | 4.95 | 192,716 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,048 |
| Countries in their Native Language | 0 | - | 4.99 | 196,582 |
| Independence from Whom | 0 | - | 4.99 | 209,620 |
| Subdivisions by Country | 0 | - | 4.86 | 50,054 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,699 |
| Megadiverse Countries | 0 | - | 4.97 | 133,873 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,753 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,906 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,409 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,623 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,983 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,875 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,127 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,206 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,734 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,514 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,401 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,844 |
| Catholic Countries | 0 | - | 4.78 | 213,609 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,478 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,488 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,058 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,808 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,301 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,300 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,285 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,955 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,912 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,662 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,827 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,034 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,245 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,927 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,317 |
| Widest Countries East to West | 0 | - | 4.92 | 128,584 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,212 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,177 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,555 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,672 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,605 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,019 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,047 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,570 |
| Countries with Double Letters | 0 | - | 4.97 | 93,336 |
| Countries that End in N | 0 | - | 4.94 | 156,453 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,622 |
| Countries with Six Letters | 0 | - | 4.93 | 210,296 |
| Countries with W | 0 | - | 4.97 | 158,189 |
| Countries with Z | 0 | - | 4.98 | 287,806 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,510 |
| Countries That End in U | 0 | - | 4.95 | 119,494 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,492 |
| Countries that End in O | 0 | - | 4.92 | 158,532 |
| Countries that End in R | 0 | - | 4.87 | 118,254 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,849 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,970 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,287 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,462 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,979 |
| Countries That End in Y | 0 | - | 4.90 | 185,186 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,323 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,639 |
| Countries that End in I | 0 | - | 4.94 | 134,388 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,136 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,176 |
| Countries That End in NIA | 0 | - | 4.92 | 108,979 |
| Countries That End in BIA | 0 | - | 4.92 | 147,684 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,034 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,459 |
| Countries That End in RIA | 0 | - | 4.93 | 126,060 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,978 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,130 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,493 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,872 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,330 |
