| Countries with the Most Muslims | 0 | - | 4.95 | 159,507 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,455 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,786 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,111 |
| Buddhist Countries | 0 | - | 4.96 | 143,137 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,275 |
| Orthodox Countries | 0 | - | 4.91 | 130,591 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,803 |
| Sharia Law Countries | 0 | - | 4.48 | 63,414 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,021,074 |
| NATO Countries | 0 | - | 4.98 | 276,963 |
| EU Countries Quiz | 0 | - | 4.99 | 270,700 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,545 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,180 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,033 |
| Countries with NO Military | 0 | - | 4.97 | 61,317 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,017 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,432 |
| Landlocked Countries | 0 | - | 4.99 | 414,903 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,461 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,860 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,265 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,622 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,302 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,347 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,110 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,099 |
| Himalayan Countries | 0 | - | 4.95 | 135,815 |
| Andean Countries | 0 | - | 4.94 | 83,089 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,414 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,517 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,117 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,774 |
| Danube Countries | 0 | - | 4.97 | 71,215 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,937 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,668 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,767 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,677 |
| European Landlocked Countries | 0 | - | 4.99 | 145,911 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,430 |
| Countries with the Most Species | 0 | - | 4.99 | 95,316 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,577 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,246 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,422 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,035 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,679 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,045 |
| Countries in the Alps | 0 | - | 4.86 | 117,040 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,712 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,501 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,129 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,539 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,327 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,109 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,738 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,864 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,649 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,173 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,253 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,114 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,575 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,849 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,856 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,352 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,759 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,330 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,970 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,996 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,070 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,695 |
| Largest Countries By Category | 0 | - | 4.97 | 156,959 |
| Countries by Countries | 0 | - | 4.96 | 62,400 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,887 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,434 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,574 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,492 |
| Island Countries | 0 | - | 4.99 | 708,112 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,898 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,190 |
| Northernmost Countries | 0 | - | 4.99 | 358,458 |
| Countries of South America | 0 | - | 5.00 | 917,000 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,147 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,715 |
| "Land" Countries | 0 | - | 4.98 | 333,985 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,898 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,540 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,492 |
| Countries that Start with D | 0 | - | 4.96 | 703,048 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,306 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,717 |
| Countries that Start with H | 0 | - | 4.96 | 599,159 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,742 |
| Countries that Start with J | 0 | - | 4.98 | 597,224 |
| Countries that Start with K | 0 | - | 4.97 | 810,516 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,280 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,199 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,883 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,483 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,247 |
| Countries that Start with U | 0 | - | 4.97 | 900,759 |
| Countries that Start with V | 0 | - | 4.98 | 605,858 |
| Countries that Start with F | 0 | - | 4.83 | 613,228 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,897 |
| Richest Island Countries | 0 | - | 4.84 | 99,703 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,760 |
| Monarchies of Europe | 0 | - | 4.90 | 97,485 |
| Monarchies of Asia | 0 | - | 4.97 | 70,691 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,697 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,514 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,392 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,680 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,642 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,775 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 264,151 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,345 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,858 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,162 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,655 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,770 |
| Countries with Megacities | 0 | - | 4.99 | 247,913 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,655 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,279 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,038 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,228 |
| Countries by Official Language | 0 | - | 4.95 | 193,049 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,522 |
| Countries in their Native Language | 0 | - | 4.99 | 196,898 |
| Independence from Whom | 0 | - | 4.99 | 210,025 |
| Subdivisions by Country | 0 | - | 4.86 | 50,120 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,984 |
| Megadiverse Countries | 0 | - | 4.97 | 134,013 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,058 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,984 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,495 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,893 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,823 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,089 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,267 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,334 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,274 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,774 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,818 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,482 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,978 |
| Catholic Countries | 0 | - | 4.78 | 213,827 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,589 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,567 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,210 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,103 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,436 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,506 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,689 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,448 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,185 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,181 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,062 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,263 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,457 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,038 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,496 |
| Widest Countries East to West | 0 | - | 4.92 | 128,985 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,274 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,413 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,630 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,822 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,770 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,180 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 75,910 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.97 | 93,621 |
| Countries that End in N | 0 | - | 4.94 | 157,090 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,948 |
| Countries with Six Letters | 0 | - | 4.93 | 210,617 |
| Countries with W | 0 | - | 4.97 | 158,384 |
| Countries with Z | 0 | - | 4.98 | 288,159 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,711 |
| Countries That End in U | 0 | - | 4.95 | 119,595 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,825 |
| Countries that End in O | 0 | - | 4.92 | 158,631 |
| Countries that End in R | 0 | - | 4.87 | 118,353 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,916 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,349 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,499 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,614 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,159 |
| Countries That End in Y | 0 | - | 4.90 | 185,271 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,566 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,856 |
| Countries that End in I | 0 | - | 4.94 | 134,521 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,406 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,279 |
| Countries That End in NIA | 0 | - | 4.92 | 109,092 |
| Countries That End in BIA | 0 | - | 4.92 | 147,823 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,213 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,603 |
| Countries That End in RIA | 0 | - | 4.93 | 126,179 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,140 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,614 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,636 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,996 |
