| Majority Muslim Countries | 0 | - | 4.98 | 366,521 |
| Top Five Countries by Religion | 0 | - | 4.93 | 167,949 |
| Countries with the Most Christians | 0 | - | 4.92 | 140,649 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,334 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,359 |
| Orthodox Countries | 0 | - | 4.92 | 129,785 |
| Countries with the Most Muslims | 0 | - | 4.94 | 158,786 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,055 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,648,438 |
| NATO Countries | 0 | - | 4.98 | 273,104 |
| EU Countries Quiz | 0 | - | 4.99 | 267,857 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 283,092 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 265,724 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 145,988 |
| Countries with NO Military | 0 | - | 4.97 | 60,689 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,547 |
| Landlocked Countries | 0 | - | 4.99 | 410,198 |
| Countries with the Most Tanks | 0 | - | 4.91 | 105,730 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,412 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 73,790 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 331,783 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 121,366 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,690,380 |
| Sahara Desert Countries | 0 | - | 4.98 | 158,901 |
| Himalayan Countries | 0 | - | 4.95 | 134,115 |
| Andean Countries | 0 | - | 4.94 | 82,143 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 61,675 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,253 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,263 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,086 |
| Danube Countries | 0 | - | 4.97 | 70,437 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,168 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,168 |
| Countries with the Worst Passports | 0 | - | 4.93 | 81,719 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 146,605 |
| European Landlocked Countries | 0 | - | 4.99 | 145,366 |
| Partially Recognized Countries | 0 | - | 4.98 | 104,577 |
| Countries with the Most Species | 0 | - | 4.99 | 94,984 |
| Countries 197 to 205 | 0 | - | 4.89 | 68,694 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,062 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,222 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,686 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,288 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,593 |
| Countries in the Alps | 0 | - | 4.87 | 116,225 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,152 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 104,434 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,743 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,068 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 114,733 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 94,711 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,127 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,456 |
| Largest Country by Body of Water | 0 | - | 4.96 | 50,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,691 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,996 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,835 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,109 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,454 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,432 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,254 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,352 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,014 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 43,900 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 237,224 |
| World Countries - Blind Typing | 0 | - | 5.00 | 104,562 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,363 |
| Largest Countries By Category | 0 | - | 4.97 | 156,172 |
| Countries by Countries | 0 | - | 4.96 | 61,882 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,361 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 320,708 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 370,909 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 399,347 |
| Island Countries | 0 | - | 4.99 | 706,026 |
| Sharia Law Countries | 0 | - | 4.48 | 63,146 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,590 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,034,992 |
| Northernmost Countries | 0 | - | 4.99 | 355,771 |
| Countries of South America | 0 | - | 5.00 | 909,697 |
| Countries of Oceania | 0 | - | 5.00 | 1,033,866 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,836,500 |
| "Land" Countries | 0 | - | 4.98 | 332,756 |
| Countries that Start with A | 0 | - | 4.98 | 2,138,482 |
| Countries that Start with B | 0 | - | 4.96 | 2,272,515 |
| Countries that Start with C | 0 | - | 4.96 | 1,804,386 |
| Countries that Start with D | 0 | - | 4.96 | 697,484 |
| Countries that Start with E | 0 | - | 4.95 | 1,362,607 |
| Countries that Start with G | 0 | - | 4.97 | 1,487,565 |
| Countries that Start with H | 0 | - | 4.97 | 594,458 |
| Countries that Start with I | 0 | - | 4.92 | 1,276,133 |
| Countries that Start with J | 0 | - | 4.98 | 592,692 |
| Countries that Start with K | 0 | - | 4.97 | 806,329 |
| Countries that Start with L | 0 | - | 4.98 | 1,079,113 |
| Countries that Start with N | 0 | - | 4.94 | 1,105,889 |
| Countries that Start with P | 0 | - | 4.94 | 1,204,888 |
| Countries that Start with S | 0 | - | 4.98 | 1,739,382 |
| Countries that Start with T | 0 | - | 4.91 | 1,001,356 |
| Countries that Start with U | 0 | - | 4.97 | 897,288 |
| Countries that Start with V | 0 | - | 4.98 | 602,997 |
| Countries that Start with F | 0 | - | 4.85 | 609,420 |
| Countries that Start with M | 0 | - | 4.97 | 1,369,113 |
| Richest Island Countries | 0 | - | 4.84 | 99,032 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,353,302 |
| Monarchies of Europe | 0 | - | 4.89 | 96,847 |
| Monarchies of Asia | 0 | - | 4.97 | 70,345 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 315,364 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 120,682 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,215 |
| Countries with the Most Exports | 0 | - | 4.96 | 153,663 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 187,698 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,291 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,328 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 260,575 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,484 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 83,351 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,257 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 116,958 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,189 |
| Countries with Megacities | 0 | - | 4.99 | 244,207 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,084 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,348 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 134,612 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 79,214 |
| Countries by Official Language | 0 | - | 4.95 | 191,942 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,045 |
| Countries in their Native Language | 0 | - | 4.99 | 195,741 |
| Independence from Whom | 0 | - | 4.99 | 208,729 |
| Subdivisions by Country | 0 | - | 4.86 | 49,946 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,112 |
| Megadiverse Countries | 0 | - | 4.97 | 133,639 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,098 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,753 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 124,692 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,730 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,087 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,737 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,165 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 152,590 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 94,937 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,589 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 74,844 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 106,962 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,562 |
| Catholic Countries | 0 | - | 4.79 | 213,133 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,250 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,296 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 90,762 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,247 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,037 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 105,670 |
| Southernmost Countries of the World | 0 | - | 4.99 | 225,618 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,511 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,333 |
| Countries With the Most Languages | 0 | - | 4.90 | 198,816 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,423 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,689 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 97,893 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 60,702 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,024 |
| Widest Countries East to West | 0 | - | 4.92 | 128,283 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,127 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 184,755 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,391 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,422 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,260 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,720 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,945 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,489 |
| Countries with Double Letters | 0 | - | 4.97 | 92,665 |
| Countries that End in N | 0 | - | 4.94 | 155,828 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 257,847 |
| Countries with Six Letters | 0 | - | 4.93 | 209,633 |
| Countries with W | 0 | - | 4.97 | 157,510 |
| Countries with Z | 0 | - | 4.98 | 286,665 |
| Countries with Letters Missing | 0 | - | 4.97 | 183,857 |
| Countries That End in U | 0 | - | 4.95 | 119,252 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 130,133 |
| Countries that End in O | 0 | - | 4.92 | 158,276 |
| Countries that End in R | 0 | - | 4.86 | 117,777 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,664 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,334 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 168,875 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,131 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 140,296 |
| Countries That End in Y | 0 | - | 4.90 | 184,959 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 195,776 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,241 |
| Countries that End in I | 0 | - | 4.94 | 133,617 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 181,628 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 94,936 |
| Countries That End in NIA | 0 | - | 4.92 | 108,727 |
| Countries That End in BIA | 0 | - | 4.92 | 147,367 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,403 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,162 |
| Countries That End in RIA | 0 | - | 4.92 | 125,835 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,644 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,296 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,055 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,402 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 89,856 |
