| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,587 |
| Countries with NO Military | 0 | - | 4.97 | 63,292 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,196 |
| NATO Countries | 0 | - | 4.98 | 283,118 |
| EU Countries Quiz | 0 | - | 4.99 | 277,477 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,162 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,635 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,049 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,826,394 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,299 |
| Landlocked Countries | 0 | - | 4.99 | 425,007 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,799,772 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,880 |
| Himalayan Countries | 0 | - | 4.93 | 139,956 |
| Andean Countries | 0 | - | 4.94 | 85,281 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,437 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,787 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,015 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,307 |
| Danube Countries | 0 | - | 4.97 | 72,310 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,472 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,750 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,964 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,457 |
| European Landlocked Countries | 0 | - | 4.99 | 147,523 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,176 |
| Countries with the Most Species | 0 | - | 4.99 | 103,515 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,307 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,737 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,849 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,784 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,518 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,948 |
| Countries in the Alps | 0 | - | 4.87 | 118,677 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,463 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,717 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,913 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,952 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,871 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,181 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,309 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,805 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,365 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,535 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,110 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,814 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,689 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,489 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,727 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,824 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,654 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,553 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,673 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,568 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,409 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,970 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,468 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,089 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,114 |
| Largest Countries By Category | 0 | - | 4.97 | 158,747 |
| Countries by Countries | 0 | - | 4.96 | 63,570 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,491 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,001 |
| Buddhist Countries | 0 | - | 4.96 | 144,999 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,032 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,771 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,575 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,870 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,475 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,305 |
| Island Countries | 0 | - | 4.99 | 712,288 |
| Countries in World War I | 0 | - | 4.88 | 229,030 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,998 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,941 |
| Northernmost Countries | 0 | - | 4.99 | 363,672 |
| Countries of South America | 0 | - | 5.00 | 931,665 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,082 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,984 |
| "Land" Countries | 0 | - | 4.98 | 338,230 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,555 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,318 |
| Orthodox Countries | 0 | - | 4.92 | 132,712 |
| Richest Island Countries | 0 | - | 4.85 | 101,157 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,057 |
| Monarchies of Europe | 0 | - | 4.90 | 98,778 |
| Monarchies of Asia | 0 | - | 4.97 | 71,461 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,903 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,244 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,091 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,070 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,401 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,737 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,877 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,481 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,919 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,012 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,126 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,055 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,328 |
| Countries that Start with D | 0 | - | 4.96 | 715,639 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,145 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,552 |
| Countries that Start with H | 0 | - | 4.96 | 609,017 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,858 |
| Countries that Start with J | 0 | - | 4.98 | 606,410 |
| Countries that Start with K | 0 | - | 4.97 | 820,201 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,080 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,136 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,352 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,162 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,354 |
| Countries that Start with U | 0 | - | 4.97 | 908,067 |
| Countries that Start with V | 0 | - | 4.98 | 611,690 |
| Countries that Start with F | 0 | - | 4.83 | 620,872 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,471 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,445 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,018 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,997 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,971 |
| Countries with Megacities | 0 | - | 4.99 | 266,758 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,662 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,011 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,976 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,133 |
| Countries by Official Language | 0 | - | 4.95 | 195,869 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,463 |
| Countries in their Native Language | 0 | - | 4.99 | 199,637 |
| Independence from Whom | 0 | - | 4.99 | 212,907 |
| Subdivisions by Country | 0 | - | 4.87 | 50,588 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,329 |
| Megadiverse Countries | 0 | - | 4.96 | 135,226 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,849 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,504 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,412 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,204 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,508 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,804 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,024 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,536 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,793 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,240 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,378 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,340 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,407 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,121 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,552 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,644 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,115 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,994 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,483 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,384 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,350 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,462 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,664 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,650 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,488 |
| Widest Countries East to West | 0 | - | 4.92 | 130,388 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,578 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,177 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,489 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,014 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,923 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,410 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,476 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,881 |
| Countries with Double Letters | 0 | - | 4.96 | 96,936 |
| Countries that End in N | 0 | - | 4.94 | 171,810 |
| Countries with Five Letters | 0 | - | 4.96 | 283,578 |
| Countries with Six Letters | 0 | - | 4.94 | 214,305 |
| Countries with W | 0 | - | 4.96 | 160,846 |
| Countries with Z | 0 | - | 4.98 | 292,280 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,201 |
| Countries That End in U | 0 | - | 4.95 | 121,128 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,001 |
| Countries that End in O | 0 | - | 4.92 | 159,948 |
| Countries that End in R | 0 | - | 4.87 | 119,143 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,898 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,724 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,078 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,767 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,701 |
| Countries That End in Y | 0 | - | 4.91 | 186,058 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,379 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,203 |
| Countries that End in I | 0 | - | 4.94 | 135,279 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,541 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,017 |
| Countries That End in NIA | 0 | - | 4.92 | 110,011 |
| Countries That End in BIA | 0 | - | 4.93 | 149,530 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,459 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,722 |
| Countries That End in RIA | 0 | - | 4.93 | 127,021 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,326 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,435 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,094 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,538 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,107 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,771 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,281 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,524 |
