| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,688 |
| Countries with NO Military | 0 | - | 4.97 | 62,684 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,730 |
| NATO Countries | 0 | - | 4.98 | 281,714 |
| EU Countries Quiz | 0 | - | 4.99 | 275,744 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,336 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,023 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,818 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,614,999 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,739 |
| Landlocked Countries | 0 | - | 4.99 | 422,383 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,712 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,720 |
| Himalayan Countries | 0 | - | 4.95 | 138,920 |
| Andean Countries | 0 | - | 4.93 | 84,733 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,937 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,996 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,549 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,884 |
| Danube Countries | 0 | - | 4.97 | 72,072 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,091 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,474 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,396 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,886 |
| European Landlocked Countries | 0 | - | 4.99 | 147,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,727 |
| Countries with the Most Species | 0 | - | 4.99 | 103,280 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,842 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,617 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,740 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,576 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,268 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,711 |
| Countries in the Alps | 0 | - | 4.87 | 118,273 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,379 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,115 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,694 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,636 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,562 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,985 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,722 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,546 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,203 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,649 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,895 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,681 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,550 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,261 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,515 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,573 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,002 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,346 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,271 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,144 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,139 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,245 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,268 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,764 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,927 |
| Largest Countries By Category | 0 | - | 4.97 | 158,288 |
| Countries by Countries | 0 | - | 4.96 | 63,281 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,869 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,571 |
| Buddhist Countries | 0 | - | 4.96 | 144,650 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,712 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,019 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,043 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,907 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,627 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,591 |
| Island Countries | 0 | - | 4.99 | 711,185 |
| Countries in World War I | 0 | - | 4.88 | 228,516 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,439 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,368 |
| Northernmost Countries | 0 | - | 4.99 | 362,154 |
| Countries of South America | 0 | - | 5.00 | 927,944 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,671 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,582 |
| "Land" Countries | 0 | - | 4.98 | 337,452 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,236 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,836 |
| Orthodox Countries | 0 | - | 4.92 | 132,305 |
| Richest Island Countries | 0 | - | 4.85 | 100,820 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,676 |
| Monarchies of Europe | 0 | - | 4.90 | 98,381 |
| Monarchies of Asia | 0 | - | 4.97 | 71,249 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,173 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,043 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,703 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,683 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,015 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,541 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,623 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,779 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,553 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,738 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,341 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,675 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,499 |
| Countries that Start with D | 0 | - | 4.96 | 712,101 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,085 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,327 |
| Countries that Start with H | 0 | - | 4.96 | 606,490 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,581 |
| Countries that Start with J | 0 | - | 4.98 | 604,082 |
| Countries that Start with K | 0 | - | 4.97 | 817,634 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,925 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,998 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,351 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,950 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,519 |
| Countries that Start with U | 0 | - | 4.97 | 905,837 |
| Countries that Start with V | 0 | - | 4.98 | 610,286 |
| Countries that Start with F | 0 | - | 4.83 | 618,935 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,146 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,049 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,539 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,627 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,011 |
| Countries with Megacities | 0 | - | 4.99 | 264,841 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,840 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,530 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,098 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,610 |
| Countries by Official Language | 0 | - | 4.95 | 195,327 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,490 |
| Countries in their Native Language | 0 | - | 4.99 | 199,123 |
| Independence from Whom | 0 | - | 4.99 | 212,197 |
| Subdivisions by Country | 0 | - | 4.87 | 50,447 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,801 |
| Megadiverse Countries | 0 | - | 4.96 | 135,052 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,172 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,381 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,257 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,122 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,184 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,618 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,528 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,058 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,680 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,160 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,753 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,912 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,229 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,988 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,375 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,390 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,167 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,323 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,032 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,315 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,933 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,049 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,331 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,469 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,602 |
| Widest Countries East to West | 0 | - | 4.92 | 129,691 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,465 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,428 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,136 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,795 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,626 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,908 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,387 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,808 |
| Countries with Double Letters | 0 | - | 4.96 | 96,310 |
| Countries that End in N | 0 | - | 4.95 | 171,205 |
| Countries with Five Letters | 0 | - | 4.96 | 282,644 |
| Countries with Six Letters | 0 | - | 4.94 | 213,641 |
| Countries with W | 0 | - | 4.97 | 160,388 |
| Countries with Z | 0 | - | 4.98 | 291,555 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,760 |
| Countries That End in U | 0 | - | 4.95 | 120,877 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,519 |
| Countries that End in O | 0 | - | 4.92 | 159,535 |
| Countries that End in R | 0 | - | 4.87 | 118,981 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,752 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,165 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,731 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,500 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,422 |
| Countries That End in Y | 0 | - | 4.91 | 185,896 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,978 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,896 |
| Countries that End in I | 0 | - | 4.94 | 135,117 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,151 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,840 |
| Countries That End in NIA | 0 | - | 4.92 | 109,807 |
| Countries That End in BIA | 0 | - | 4.93 | 149,237 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,147 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,450 |
| Countries That End in RIA | 0 | - | 4.93 | 126,829 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,044 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,713 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,753 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,176 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,732 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,595 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,056 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,457 |
