| Countries with the Most Military Troops | 0 | - | 4.95 | 286,413 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,434 |
| Countries with NO Military | 0 | - | 4.97 | 61,617 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,775 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,169,207 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,908 |
| NATO Countries | 0 | - | 4.98 | 278,140 |
| EU Countries Quiz | 0 | - | 4.99 | 271,665 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,045 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,450 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,184 |
| Landlocked Countries | 0 | - | 4.99 | 416,726 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,306 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,112 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,451 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,694 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,529 |
| Buddhist Countries | 0 | - | 4.96 | 143,410 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,974 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,767 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,049 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,968 |
| Himalayan Countries | 0 | - | 4.95 | 136,533 |
| Andean Countries | 0 | - | 4.95 | 83,505 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,767 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,028 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,434 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,033 |
| Countries in World War I | 0 | - | 4.88 | 227,432 |
| Danube Countries | 0 | - | 4.97 | 71,439 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,224 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,853 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,169 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,145 |
| European Landlocked Countries | 0 | - | 4.99 | 146,137 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,778 |
| Countries with the Most Species | 0 | - | 4.99 | 101,754 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,288 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,907 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,336 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,513 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,164 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,813 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,195 |
| Countries in the Alps | 0 | - | 4.86 | 117,341 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,911 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,919 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,257 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,748 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,832 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,259 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,996 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,998 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,809 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,333 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,371 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,205 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,731 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,004 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,012 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,729 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,900 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,433 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,257 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,049 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,586 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,835 |
| Largest Countries By Category | 0 | - | 4.97 | 157,269 |
| Countries by Countries | 0 | - | 4.96 | 62,597 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,089 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,919 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,854 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,834 |
| Island Countries | 0 | - | 4.99 | 708,843 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,431 |
| Northernmost Countries | 0 | - | 4.99 | 359,409 |
| Countries of South America | 0 | - | 5.00 | 919,776 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,837 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,980 |
| "Land" Countries | 0 | - | 4.98 | 334,627 |
| Countries that Start with A | 0 | - | 4.98 | 2,154,083 |
| Countries that Start with B | 0 | - | 4.95 | 2,286,324 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,517 |
| Countries that Start with D | 0 | - | 4.96 | 705,094 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,789 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,314 |
| Countries that Start with H | 0 | - | 4.96 | 600,922 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,752 |
| Countries that Start with J | 0 | - | 4.98 | 598,911 |
| Countries that Start with K | 0 | - | 4.97 | 812,102 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,222 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,201 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,037 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,124 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,751 |
| Countries that Start with U | 0 | - | 4.97 | 901,965 |
| Countries that Start with V | 0 | - | 4.98 | 607,163 |
| Countries that Start with F | 0 | - | 4.83 | 614,637 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,036 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,864 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,654 |
| Orthodox Countries | 0 | - | 4.92 | 130,946 |
| Richest Island Countries | 0 | - | 4.84 | 99,981 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,619 |
| Monarchies of Europe | 0 | - | 4.90 | 97,705 |
| Monarchies of Asia | 0 | - | 4.97 | 70,838 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,092 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,636 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,818 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,737 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,056 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,832 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,993 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 268,579 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,707 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,093 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,109 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,497 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,896 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,304 |
| Countries with Megacities | 0 | - | 4.99 | 248,999 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,155 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,560 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,504 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,521 |
| Countries by Official Language | 0 | - | 4.95 | 194,026 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,615 |
| Countries in their Native Language | 0 | - | 4.99 | 197,643 |
| Independence from Whom | 0 | - | 4.99 | 210,826 |
| Subdivisions by Country | 0 | - | 4.86 | 50,204 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,342 |
| Megadiverse Countries | 0 | - | 4.96 | 134,546 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,847 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,077 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,633 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,452 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,224 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,607 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,551 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,373 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,807 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,200 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,582 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,688 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,647 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,469 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,401 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,576 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,704 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,069 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,674 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,403 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,725 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,273 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,469 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,632 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,151 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,644 |
| Widest Countries East to West | 0 | - | 4.92 | 129,142 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,331 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,661 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,924 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,960 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,985 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,365 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,103 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,678 |
| Countries with Double Letters | 0 | - | 4.96 | 94,154 |
| Countries that End in N | 0 | - | 4.95 | 166,075 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,599 |
| Countries with Six Letters | 0 | - | 4.93 | 211,150 |
| Countries with W | 0 | - | 4.97 | 158,825 |
| Countries with Z | 0 | - | 4.98 | 288,790 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,046 |
| Countries That End in U | 0 | - | 4.95 | 119,926 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,168 |
| Countries that End in O | 0 | - | 4.92 | 158,869 |
| Countries that End in R | 0 | - | 4.87 | 118,511 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,293 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,759 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,748 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,814 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,383 |
| Countries That End in Y | 0 | - | 4.90 | 185,429 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,840 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,092 |
| Countries that End in I | 0 | - | 4.94 | 134,670 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,698 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,414 |
| Countries That End in NIA | 0 | - | 4.92 | 109,296 |
| Countries That End in BIA | 0 | - | 4.93 | 148,567 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,430 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,774 |
| Countries That End in RIA | 0 | - | 4.93 | 126,348 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,335 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,093 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,872 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,207 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,788 |
