| Majority Muslim Countries | 0 | - | 4.98 | 370,207 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,489 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,417 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,757 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,087 |
| Buddhist Countries | 0 | - | 4.96 | 143,120 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,422 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,259 |
| Orthodox Countries | 0 | - | 4.91 | 130,578 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,781 |
| Sharia Law Countries | 0 | - | 4.48 | 63,408 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,377 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,256 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,561 |
| NATO Countries | 0 | - | 4.98 | 276,894 |
| EU Countries Quiz | 0 | - | 4.99 | 270,629 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,493 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,105 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,006 |
| Countries with NO Military | 0 | - | 4.97 | 61,307 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,007 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,012,874 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,197 |
| Landlocked Countries | 0 | - | 4.99 | 414,787 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,575 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,251 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,442 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,848 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,255 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,322 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,215 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,065 |
| Himalayan Countries | 0 | - | 4.95 | 135,775 |
| Andean Countries | 0 | - | 4.94 | 83,066 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,402 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,485 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,101 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,760 |
| Danube Countries | 0 | - | 4.97 | 71,203 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,929 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,657 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,747 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,652 |
| European Landlocked Countries | 0 | - | 4.99 | 145,896 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,408 |
| Countries with the Most Species | 0 | - | 4.99 | 95,312 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,560 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,241 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,412 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,029 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,671 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,036 |
| Countries in the Alps | 0 | - | 4.86 | 117,021 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,698 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,481 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,118 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,527 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,316 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,102 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,719 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,856 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,632 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,166 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,242 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,110 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,565 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,846 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,844 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,333 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,753 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,894 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,325 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,965 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,929 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,053 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,691 |
| Largest Countries By Category | 0 | - | 4.97 | 156,937 |
| Countries by Countries | 0 | - | 4.96 | 62,390 |
| Richest Island Countries | 0 | - | 4.84 | 99,684 |
| Monarchies of Europe | 0 | - | 4.90 | 97,477 |
| Monarchies of Asia | 0 | - | 4.97 | 70,686 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,972 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,677 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,883 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,506 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,371 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,654 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,634 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,764 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,947 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,236 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,845 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,620 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,306 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,308 |
| Countries that Start with D | 0 | - | 4.96 | 702,912 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,157 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,579 |
| Countries that Start with H | 0 | - | 4.96 | 599,051 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,612 |
| Countries that Start with J | 0 | - | 4.98 | 597,117 |
| Countries that Start with K | 0 | - | 4.97 | 810,413 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,165 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,057 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,773 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,317 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,144 |
| Countries that Start with U | 0 | - | 4.97 | 900,680 |
| Countries that Start with V | 0 | - | 4.98 | 605,781 |
| Countries that Start with F | 0 | - | 4.83 | 613,116 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,767 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,148 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,323 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,161 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,592 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,220 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,638 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,358 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,540 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,439 |
| Island Countries | 0 | - | 4.99 | 708,077 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,457 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,025 |
| Northernmost Countries | 0 | - | 4.99 | 358,391 |
| Countries of South America | 0 | - | 5.00 | 916,842 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,950 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,365 |
| "Land" Countries | 0 | - | 4.98 | 333,956 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,964 |
| Catholic Countries | 0 | - | 4.78 | 213,813 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,194 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,083 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,428 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,416 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,139 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,053 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,140 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,746 |
| Countries with Megacities | 0 | - | 4.99 | 247,855 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,620 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,260 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,008 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,209 |
| Countries by Official Language | 0 | - | 4.95 | 193,029 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,479 |
| Countries in their Native Language | 0 | - | 4.99 | 196,875 |
| Independence from Whom | 0 | - | 4.99 | 210,000 |
| Subdivisions by Country | 0 | - | 4.86 | 50,118 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,956 |
| Megadiverse Countries | 0 | - | 4.97 | 134,000 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,039 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,978 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,486 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,890 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,804 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,082 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,248 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,303 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,270 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,773 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,796 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,478 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,577 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,563 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,756 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,089 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,476 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,654 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,427 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,156 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,145 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,051 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,242 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,442 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,036 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,484 |
| Widest Countries East to West | 0 | - | 4.92 | 128,975 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,267 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,392 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,622 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,806 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,754 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,170 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 75,302 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,630 |
| Countries with Double Letters | 0 | - | 4.97 | 93,604 |
| Countries that End in N | 0 | - | 4.94 | 157,077 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,924 |
| Countries with Six Letters | 0 | - | 4.93 | 210,598 |
| Countries with W | 0 | - | 4.97 | 158,369 |
| Countries with Z | 0 | - | 4.98 | 288,138 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,702 |
| Countries That End in U | 0 | - | 4.95 | 119,590 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,803 |
| Countries that End in O | 0 | - | 4.92 | 158,625 |
| Countries that End in R | 0 | - | 4.87 | 118,347 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,911 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,326 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,487 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,605 |
