| Countries with the Most Muslims | 0 | - | 4.95 | 160,623 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,157 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,559 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,477 |
| Buddhist Countries | 0 | - | 4.96 | 144,568 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,730 |
| Orthodox Countries | 0 | - | 4.92 | 132,216 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,981 |
| Sharia Law Countries | 0 | - | 4.48 | 63,784 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,571,198 |
| NATO Countries | 0 | - | 4.98 | 281,432 |
| EU Countries Quiz | 0 | - | 4.99 | 275,380 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,212 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,311 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,895 |
| Countries with NO Military | 0 | - | 4.97 | 62,596 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,776 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 161,376 |
| Landlocked Countries | 0 | - | 4.99 | 421,811 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,646 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,702 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,896 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,646 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,881 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,903 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,777,704 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,372 |
| Himalayan Countries | 0 | - | 4.95 | 138,647 |
| Andean Countries | 0 | - | 4.93 | 84,571 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,761 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,763 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,392 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,781 |
| Danube Countries | 0 | - | 4.97 | 71,992 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,994 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,407 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,270 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,752 |
| European Landlocked Countries | 0 | - | 4.99 | 147,128 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,613 |
| Countries with the Most Species | 0 | - | 4.99 | 103,225 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,735 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,578 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,716 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,531 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,213 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,643 |
| Countries in the Alps | 0 | - | 4.87 | 118,185 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,011 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,005 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,632 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,584 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,493 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,939 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,658 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,474 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,170 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,828 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,644 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,512 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,210 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,453 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,503 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,861 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,293 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,569 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,052 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,860 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,057 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,213 |
| Largest Countries By Category | 0 | - | 4.97 | 158,192 |
| Countries by Countries | 0 | - | 4.96 | 63,202 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,666 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,462 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,463 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,107 |
| Island Countries | 0 | - | 4.99 | 710,987 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 46,695 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,683 |
| Northernmost Countries | 0 | - | 4.99 | 361,895 |
| Countries of South America | 0 | - | 5.00 | 927,180 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,631 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,834 |
| "Land" Countries | 0 | - | 4.98 | 337,291 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,008 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,468 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,562 |
| Countries that Start with D | 0 | - | 4.96 | 711,439 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,292 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,542 |
| Countries that Start with H | 0 | - | 4.96 | 606,004 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,944 |
| Countries that Start with J | 0 | - | 4.98 | 603,629 |
| Countries that Start with K | 0 | - | 4.97 | 817,140 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,320 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,337 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,751 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,097 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,079 |
| Countries that Start with U | 0 | - | 4.97 | 905,510 |
| Countries that Start with V | 0 | - | 4.98 | 610,031 |
| Countries that Start with F | 0 | - | 4.83 | 618,583 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,476 |
| Richest Island Countries | 0 | - | 4.85 | 100,752 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,283 |
| Monarchies of Europe | 0 | - | 4.90 | 98,319 |
| Monarchies of Asia | 0 | - | 4.97 | 71,194 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,093 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,993 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,609 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,941 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,517 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,581 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,427 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,493 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,691 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,456 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,561 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,842 |
| Countries with Megacities | 0 | - | 4.99 | 264,459 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,708 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,453 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,964 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,517 |
| Countries by Official Language | 0 | - | 4.95 | 195,226 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,324 |
| Countries in their Native Language | 0 | - | 4.99 | 199,013 |
| Independence from Whom | 0 | - | 4.99 | 212,054 |
| Subdivisions by Country | 0 | - | 4.86 | 50,425 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,699 |
| Megadiverse Countries | 0 | - | 4.96 | 135,000 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,055 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,340 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,229 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,096 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,119 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,587 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,447 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,022 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,646 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,140 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,653 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,866 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,742 |
| Catholic Countries | 0 | - | 4.79 | 215,140 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,195 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,952 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,350 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,418 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,036 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,342 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,061 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,265 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,982 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,152 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,875 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,996 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,285 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,433 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,562 |
| Widest Countries East to West | 0 | - | 4.92 | 129,629 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,448 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,360 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,116 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,759 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,583 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,853 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,369 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,796 |
| Countries with Double Letters | 0 | - | 4.96 | 96,198 |
| Countries that End in N | 0 | - | 4.95 | 171,074 |
| Countries with Five Letters | 0 | - | 4.96 | 282,377 |
| Countries with Six Letters | 0 | - | 4.94 | 213,502 |
| Countries with W | 0 | - | 4.97 | 160,296 |
| Countries with Z | 0 | - | 4.98 | 291,400 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,668 |
| Countries That End in U | 0 | - | 4.95 | 120,828 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,423 |
| Countries that End in O | 0 | - | 4.92 | 159,495 |
| Countries that End in R | 0 | - | 4.87 | 118,955 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,712 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,045 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,669 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,454 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,369 |
| Countries That End in Y | 0 | - | 4.91 | 185,859 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,884 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,829 |
| Countries that End in I | 0 | - | 4.94 | 135,076 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,061 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,809 |
| Countries That End in NIA | 0 | - | 4.92 | 109,769 |
| Countries That End in BIA | 0 | - | 4.93 | 149,177 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,088 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,404 |
| Countries That End in RIA | 0 | - | 4.93 | 126,795 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,000 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,541 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,673 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,081 |
