| Countries with the Most Military Troops | 0 | - | 4.95 | 285,733 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,453 |
| Countries with NO Military | 0 | - | 4.97 | 61,368 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,537 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,866 |
| NATO Countries | 0 | - | 4.98 | 277,223 |
| EU Countries Quiz | 0 | - | 4.99 | 270,906 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,599 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,118 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,047 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,053,176 |
| Landlocked Countries | 0 | - | 4.99 | 415,316 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,822 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,461 |
| Countries in World War I | 0 | - | 4.88 | 226,904 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,743 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,931 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,906 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,308 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,215 |
| Buddhist Countries | 0 | - | 4.96 | 143,199 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,445 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,730,423 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,269 |
| Himalayan Countries | 0 | - | 4.95 | 135,957 |
| Andean Countries | 0 | - | 4.94 | 83,164 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,484 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,620 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,181 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,825 |
| Danube Countries | 0 | - | 4.97 | 71,261 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,991 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,709 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,854 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,796 |
| European Landlocked Countries | 0 | - | 4.99 | 145,959 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,511 |
| Countries with the Most Species | 0 | - | 4.99 | 95,345 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,640 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,268 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,439 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,064 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,715 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,072 |
| Countries in the Alps | 0 | - | 4.86 | 117,114 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,755 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,584 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,157 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,583 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,373 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,134 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,795 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,895 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,685 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,203 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,272 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,137 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,614 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,876 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,888 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,448 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,795 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,350 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,369 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,021 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,238 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,174 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,725 |
| Largest Countries By Category | 0 | - | 4.97 | 157,020 |
| Orthodox Countries | 0 | - | 4.91 | 130,668 |
| Countries by Countries | 0 | - | 4.96 | 62,439 |
| Richest Island Countries | 0 | - | 4.84 | 99,788 |
| Monarchies of Europe | 0 | - | 4.90 | 97,535 |
| Monarchies of Asia | 0 | - | 4.97 | 70,725 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,134 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,771 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,934 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,540 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,582 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,485 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,777 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,698 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,827 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 266,387 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,479 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,913 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,801 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,401 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,132 |
| Countries that Start with D | 0 | - | 4.96 | 703,502 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,839 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,295 |
| Countries that Start with H | 0 | - | 4.96 | 599,569 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,189 |
| Countries that Start with J | 0 | - | 4.98 | 597,604 |
| Countries that Start with K | 0 | - | 4.97 | 810,859 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,725 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,645 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,303 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,070 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,563 |
| Countries that Start with U | 0 | - | 4.97 | 901,009 |
| Countries that Start with V | 0 | - | 4.98 | 606,086 |
| Countries that Start with F | 0 | - | 4.83 | 613,534 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,376 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,888 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,251 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,710 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,776 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,787 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,754 |
| Island Countries | 0 | - | 4.99 | 708,305 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,766 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,915 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,639 |
| Northernmost Countries | 0 | - | 4.99 | 358,668 |
| Countries of South America | 0 | - | 5.00 | 917,717 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,072 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,854,145 |
| "Land" Countries | 0 | - | 4.98 | 334,085 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,274 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,172 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,462 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,447 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,316 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,594 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,500 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,173 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,834 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,345 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,891 |
| Countries with Megacities | 0 | - | 4.99 | 248,150 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,781 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,352 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,159 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,287 |
| Countries by Official Language | 0 | - | 4.95 | 193,171 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,701 |
| Countries in their Native Language | 0 | - | 4.99 | 197,000 |
| Independence from Whom | 0 | - | 4.99 | 210,138 |
| Subdivisions by Country | 0 | - | 4.86 | 50,147 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,055 |
| Megadiverse Countries | 0 | - | 4.96 | 134,443 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,168 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,010 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,543 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,905 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,878 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,121 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,322 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,443 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,299 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,786 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,909 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,516 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,619 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,581 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,794 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,119 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,124 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,581 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,771 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,517 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,236 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,316 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,108 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,307 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,499 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,076 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,524 |
| Widest Countries East to West | 0 | - | 4.92 | 129,022 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,283 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,478 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,651 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,861 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,819 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,225 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,644 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,641 |
| Countries with Double Letters | 0 | - | 4.96 | 93,680 |
| Countries that End in N | 0 | - | 4.94 | 157,143 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,031 |
| Countries with Six Letters | 0 | - | 4.93 | 210,690 |
| Countries with W | 0 | - | 4.97 | 158,417 |
| Countries with Z | 0 | - | 4.98 | 288,242 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,756 |
| Countries That End in U | 0 | - | 4.95 | 119,612 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,873 |
| Countries that End in O | 0 | - | 4.92 | 158,658 |
| Countries that End in R | 0 | - | 4.87 | 118,376 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,934 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,407 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,560 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,650 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,199 |
| Countries That End in Y | 0 | - | 4.90 | 185,288 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,620 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,898 |
| Countries that End in I | 0 | - | 4.94 | 134,542 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,473 |