| Countries with the Most Military Troops | 0 | - | 4.95 | 289,446 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,618 |
| Countries with NO Military | 0 | - | 4.97 | 62,668 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,721 |
| Battle to Country | 0 | - | 4.91 | 53,550 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,633,970 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,607,775 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,685 |
| NATO Countries | 0 | - | 4.98 | 281,662 |
| EU Countries Quiz | 0 | - | 4.99 | 275,687 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,295 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 149,007 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,810 |
| Landlocked Countries | 0 | - | 4.99 | 422,295 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,630 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,754 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,924 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,830 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,548 |
| Buddhist Countries | 0 | - | 4.96 | 144,638 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,995 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,021 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,948 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,680 |
| Himalayan Countries | 0 | - | 4.95 | 138,890 |
| Andean Countries | 0 | - | 4.93 | 84,707 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,905 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,962 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,526 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,868 |
| Countries in World War I | 0 | - | 4.88 | 228,505 |
| Danube Countries | 0 | - | 4.97 | 72,054 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,067 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,463 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,370 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,859 |
| European Landlocked Countries | 0 | - | 4.99 | 147,186 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,708 |
| Countries with the Most Species | 0 | - | 4.99 | 103,271 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,429 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,829 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,613 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,735 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,568 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,258 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,704 |
| Countries in the Alps | 0 | - | 4.87 | 118,262 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,314 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,089 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,689 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,630 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,554 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,976 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,711 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,531 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,201 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,887 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,672 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,546 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,254 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,506 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,565 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,976 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,340 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,180 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,136 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,099 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,216 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,258 |
| Largest Countries By Category | 0 | - | 4.97 | 158,270 |
| Countries by Countries | 0 | - | 4.96 | 63,268 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,733 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,303 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,575 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,704 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,814 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,600 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,539 |
| Island Countries | 0 | - | 4.99 | 711,157 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,263 |
| Northernmost Countries | 0 | - | 4.99 | 362,097 |
| Countries of South America | 0 | - | 5.00 | 927,787 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,542 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,311 |
| "Land" Countries | 0 | - | 4.98 | 337,427 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,113 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,468 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,309 |
| Countries that Start with D | 0 | - | 4.96 | 711,974 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,917 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,175 |
| Countries that Start with H | 0 | - | 4.96 | 606,402 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,446 |
| Countries that Start with J | 0 | - | 4.98 | 603,999 |
| Countries that Start with K | 0 | - | 4.97 | 817,546 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,800 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,877 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,238 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,805 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,431 |
| Countries that Start with U | 0 | - | 4.97 | 905,767 |
| Countries that Start with V | 0 | - | 4.98 | 610,225 |
| Countries that Start with F | 0 | - | 4.83 | 618,861 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,012 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,232 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,823 |
| Orthodox Countries | 0 | - | 4.92 | 132,273 |
| Richest Island Countries | 0 | - | 4.85 | 100,811 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,445 |
| Monarchies of Europe | 0 | - | 4.90 | 98,371 |
| Monarchies of Asia | 0 | - | 4.97 | 71,235 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,753 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,668 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,674 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,158 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,228 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,037 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,688 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,677 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,004 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,538 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,614 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,717 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,546 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,732 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,035 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,520 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,617 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,026 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,978 |
| Countries with Megacities | 0 | - | 4.99 | 264,743 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,816 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,515 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,071 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,591 |
| Countries by Official Language | 0 | - | 4.95 | 195,313 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,468 |
| Countries in their Native Language | 0 | - | 4.99 | 199,104 |
| Independence from Whom | 0 | - | 4.99 | 212,171 |
| Subdivisions by Country | 0 | - | 4.86 | 50,440 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,788 |
| Megadiverse Countries | 0 | - | 4.96 | 135,045 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,149 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,377 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,252 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,119 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,177 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,613 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,516 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,051 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,676 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,159 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,734 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,906 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,224 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,985 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,372 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,512 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,394 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,711 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,491 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,277 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,077 |
| World Map Quiz | 0 | - | 4.81 | 65,140 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,708 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,448 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,381 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,149 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,314 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,025 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,289 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,924 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,040 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,323 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,459 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,593 |
| Widest Countries East to West | 0 | - | 4.92 | 129,678 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,464 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,420 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,132 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,789 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,625 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,898 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,384 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,805 |
| Countries with Double Letters | 0 | - | 4.96 | 96,293 |
| Countries that End in N | 0 | - | 4.95 | 171,180 |
| Countries with Five Letters | 0 | - | 4.96 | 282,595 |
| Countries with Six Letters | 0 | - | 4.94 | 213,620 |
| Countries with W | 0 | - | 4.97 | 160,372 |
| Countries with Z | 0 | - | 4.98 | 291,529 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,747 |
| Countries That End in U | 0 | - | 4.95 | 120,868 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,505 |
| Countries that End in O | 0 | - | 4.92 | 159,525 |
| Countries that End in R | 0 | - | 4.87 | 118,977 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,743 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,151 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,719 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,491 |