| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,560 |
| Countries with NO Military | 0 | - | 4.97 | 62,109 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,290 |
| NATO Countries | 0 | - | 4.98 | 279,817 |
| EU Countries Quiz | 0 | - | 4.99 | 273,480 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,081 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,198 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,483 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,401,151 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,811 |
| Landlocked Countries | 0 | - | 4.99 | 419,772 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,406 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,347 |
| Himalayan Countries | 0 | - | 4.95 | 137,781 |
| Andean Countries | 0 | - | 4.95 | 84,106 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,341 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,884 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,972 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,450 |
| Danube Countries | 0 | - | 4.97 | 71,747 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,673 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,146 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,815 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,891 |
| European Landlocked Countries | 0 | - | 4.99 | 146,869 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,253 |
| Countries with the Most Species | 0 | - | 4.99 | 103,014 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,410 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,625 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,376 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,047 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,446 |
| Countries in the Alps | 0 | - | 4.87 | 117,832 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,224 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,556 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,473 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,349 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,216 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,783 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,378 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,262 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,025 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,021 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,629 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,527 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,375 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,996 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,265 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,284 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,374 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,121 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,630 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,672 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,777 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,461 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,045 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,471 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,724 |
| Largest Countries By Category | 0 | - | 4.97 | 157,796 |
| Countries by Countries | 0 | - | 4.97 | 62,933 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,322 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,061 |
| Buddhist Countries | 0 | - | 4.96 | 144,229 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,419 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,204 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,402 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,733 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,843 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,822 |
| Island Countries | 0 | - | 4.99 | 710,115 |
| Countries in World War I | 0 | - | 4.88 | 228,010 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,885 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,024 |
| Northernmost Countries | 0 | - | 4.99 | 360,893 |
| Countries of South America | 0 | - | 5.00 | 924,112 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,809 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,447 |
| "Land" Countries | 0 | - | 4.98 | 336,007 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,058 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,270 |
| Orthodox Countries | 0 | - | 4.92 | 131,487 |
| Richest Island Countries | 0 | - | 4.84 | 100,431 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,754 |
| Monarchies of Europe | 0 | - | 4.90 | 98,060 |
| Monarchies of Asia | 0 | - | 4.97 | 71,046 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,706 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,834 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,284 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,290 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,572 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,356 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,380 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,054 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,188 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,472 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,018 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,781 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,766 |
| Countries that Start with D | 0 | - | 4.96 | 708,720 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,154 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,154 |
| Countries that Start with H | 0 | - | 4.96 | 604,032 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,224 |
| Countries that Start with J | 0 | - | 4.98 | 601,770 |
| Countries that Start with K | 0 | - | 4.97 | 815,098 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,915 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,889 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,322 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,667 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,173 |
| Countries that Start with U | 0 | - | 4.97 | 903,985 |
| Countries that Start with V | 0 | - | 4.98 | 608,946 |
| Countries that Start with F | 0 | - | 4.83 | 617,024 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,701 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,616 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,076 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,276 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,273 |
| Countries with Megacities | 0 | - | 4.99 | 262,514 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,109 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,125 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,406 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,174 |
| Countries by Official Language | 0 | - | 4.95 | 194,807 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,763 |
| Countries in their Native Language | 0 | - | 4.99 | 198,353 |
| Independence from Whom | 0 | - | 4.99 | 211,545 |
| Subdivisions by Country | 0 | - | 4.86 | 50,329 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,859 |
| Megadiverse Countries | 0 | - | 4.96 | 134,827 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,677 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,222 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,794 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,039 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,817 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,438 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,100 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,897 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,531 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,021 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,188 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,764 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,043 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,831 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,208 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,126 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,664 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,021 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,754 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,605 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,623 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,770 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,908 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,320 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,362 |
| Widest Countries East to West | 0 | - | 4.92 | 129,444 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,406 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,066 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,033 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,587 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,322 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,641 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,280 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,743 |
| Countries with Double Letters | 0 | - | 4.97 | 95,262 |
| Countries that End in N | 0 | - | 4.95 | 170,272 |
| Countries with Five Letters | 0 | - | 4.96 | 281,014 |
| Countries with Six Letters | 0 | - | 4.94 | 212,707 |
| Countries with W | 0 | - | 4.97 | 159,643 |
| Countries with Z | 0 | - | 4.98 | 290,485 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,886 |
| Countries That End in U | 0 | - | 4.95 | 120,476 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,902 |
| Countries that End in O | 0 | - | 4.92 | 159,253 |
| Countries that End in R | 0 | - | 4.87 | 118,773 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,548 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,495 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,258 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,166 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,778 |
| Countries That End in Y | 0 | - | 4.91 | 185,687 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,432 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,525 |
| Countries that End in I | 0 | - | 4.94 | 134,914 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,621 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,627 |
| Countries That End in NIA | 0 | - | 4.92 | 109,574 |
| Countries That End in BIA | 0 | - | 4.93 | 148,920 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,822 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,147 |
| Countries That End in RIA | 0 | - | 4.93 | 126,594 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,731 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,937 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,336 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,715 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,246 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,387 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,745 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,324 |
