| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,029 |
| Countries with NO Military | 0 | - | 4.97 | 61,764 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,933 |
| NATO Countries | 0 | - | 4.98 | 278,627 |
| EU Countries Quiz | 0 | - | 4.99 | 272,182 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,340 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,685 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,287 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,231,372 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,425 |
| Landlocked Countries | 0 | - | 4.99 | 417,480 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,307 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,312 |
| Himalayan Countries | 0 | - | 4.95 | 136,828 |
| Andean Countries | 0 | - | 4.95 | 83,643 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,895 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,219 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,567 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,162 |
| Danube Countries | 0 | - | 4.97 | 71,511 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,341 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,924 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,357 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,393 |
| European Landlocked Countries | 0 | - | 4.99 | 146,222 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,917 |
| Countries with the Most Species | 0 | - | 4.99 | 102,535 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,042 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,368 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,542 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,213 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,874 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,260 |
| Countries in the Alps | 0 | - | 4.86 | 117,466 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,987 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,088 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,326 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,831 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,926 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,342 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,103 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,062 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,877 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,502 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,414 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,413 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,257 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,809 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,077 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,085 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,895 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,957 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,487 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,337 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,536 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,841 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,888 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,214 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,530 |
| Largest Countries By Category | 0 | - | 4.97 | 157,403 |
| Countries by Countries | 0 | - | 4.96 | 62,698 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,144 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,667 |
| Buddhist Countries | 0 | - | 4.96 | 143,540 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,182 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,236 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,927 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,770 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,198 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,362 |
| Island Countries | 0 | - | 4.99 | 709,189 |
| Countries in World War I | 0 | - | 4.88 | 227,620 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,480 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,463 |
| Northernmost Countries | 0 | - | 4.99 | 359,843 |
| Countries of South America | 0 | - | 5.00 | 920,921 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,670 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,837 |
| "Land" Countries | 0 | - | 4.98 | 335,345 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,916 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,827 |
| Orthodox Countries | 0 | - | 4.92 | 131,081 |
| Richest Island Countries | 0 | - | 4.84 | 100,099 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,585 |
| Monarchies of Europe | 0 | - | 4.90 | 97,794 |
| Monarchies of Asia | 0 | - | 4.97 | 70,891 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,293 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,709 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,938 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,875 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,182 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,889 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,083 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,347 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,825 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,202 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,008 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,088 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,926 |
| Countries that Start with D | 0 | - | 4.96 | 706,069 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,995 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,544 |
| Countries that Start with H | 0 | - | 4.96 | 601,733 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,685 |
| Countries that Start with J | 0 | - | 4.98 | 599,694 |
| Countries that Start with K | 0 | - | 4.97 | 812,840 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,373 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,123 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,904 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,395 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,416 |
| Countries that Start with U | 0 | - | 4.97 | 902,515 |
| Countries that Start with V | 0 | - | 4.98 | 607,654 |
| Countries that Start with F | 0 | - | 4.83 | 615,283 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,029 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,265 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,631 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,018 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,566 |
| Countries with Megacities | 0 | - | 4.99 | 249,556 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,407 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,719 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,754 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,683 |
| Countries by Official Language | 0 | - | 4.95 | 194,349 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,162 |
| Countries in their Native Language | 0 | - | 4.99 | 197,924 |
| Independence from Whom | 0 | - | 4.99 | 211,030 |
| Subdivisions by Country | 0 | - | 4.86 | 50,236 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,491 |
| Megadiverse Countries | 0 | - | 4.96 | 134,655 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,070 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,124 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,680 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,971 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,541 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,286 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,746 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,671 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,422 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,825 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,551 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,633 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,733 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,695 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,912 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,840 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,234 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,774 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,501 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,965 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,379 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,556 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,711 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,192 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,182 |
| Widest Countries East to West | 0 | - | 4.92 | 129,247 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,347 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,774 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,957 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,310 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,070 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,437 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,170 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,699 |
| Countries with Double Letters | 0 | - | 4.97 | 94,724 |
| Countries that End in N | 0 | - | 4.95 | 169,054 |
| Countries with Five Letters | 0 | - | 4.96 | 275,737 |
| Countries with Six Letters | 0 | - | 4.94 | 212,016 |
| Countries with W | 0 | - | 4.97 | 159,247 |
| Countries with Z | 0 | - | 4.98 | 289,390 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,452 |
| Countries That End in U | 0 | - | 4.95 | 120,257 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,473 |
| Countries that End in O | 0 | - | 4.92 | 159,073 |
| Countries that End in R | 0 | - | 4.87 | 118,638 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,407 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,036 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,924 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,946 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,530 |
| Countries That End in Y | 0 | - | 4.90 | 185,550 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,021 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,242 |
| Countries that End in I | 0 | - | 4.94 | 134,759 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,849 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,481 |
| Countries That End in NIA | 0 | - | 4.92 | 109,400 |
| Countries That End in BIA | 0 | - | 4.93 | 148,686 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,554 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,907 |
| Countries That End in RIA | 0 | - | 4.93 | 126,423 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,489 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,329 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,009 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,338 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,958 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,228 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,560 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,088 |
