| Majority Muslim Countries | 0 | - | 4.98 | 368,056 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,806 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,275 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,815 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,890 |
| Orthodox Countries | 0 | - | 4.91 | 130,264 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,164 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,491 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,859,657 |
| NATO Countries | 0 | - | 4.98 | 275,182 |
| EU Countries Quiz | 0 | - | 4.99 | 269,497 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,548 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,742 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,599 |
| Countries with NO Military | 0 | - | 4.97 | 61,075 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,844 |
| Landlocked Countries | 0 | - | 4.99 | 412,958 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,159 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,637 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,021 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,617 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,507 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,877 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,581 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,289 |
| Himalayan Countries | 0 | - | 4.95 | 135,088 |
| Andean Countries | 0 | - | 4.94 | 82,684 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,097 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,018 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,783 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,490 |
| Danube Countries | 0 | - | 4.97 | 71,011 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,654 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,466 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,308 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,227 |
| European Landlocked Countries | 0 | - | 4.99 | 145,678 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,069 |
| Countries with the Most Species | 0 | - | 4.99 | 95,196 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,218 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,522 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,878 |
| Countries in the Alps | 0 | - | 4.87 | 116,702 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,487 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,104 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,073 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,941 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,481 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,693 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,216 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,979 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,168 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,001 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,377 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,684 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,682 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,897 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,576 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,207 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,688 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,888 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,404 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,548 |
| Largest Countries By Category | 0 | - | 4.97 | 156,639 |
| Countries by Countries | 0 | - | 4.96 | 62,182 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,669 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,130 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,864 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,044 |
| Island Countries | 0 | - | 4.99 | 707,280 |
| Sharia Law Countries | 0 | - | 4.48 | 63,317 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,770 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,489 |
| Northernmost Countries | 0 | - | 4.99 | 357,313 |
| Countries of South America | 0 | - | 5.00 | 913,558 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,845 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,499 |
| "Land" Countries | 0 | - | 4.98 | 333,448 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,894 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,212 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,953 |
| Countries that Start with D | 0 | - | 4.96 | 700,617 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,430 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,614 |
| Countries that Start with H | 0 | - | 4.96 | 597,166 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,326 |
| Countries that Start with J | 0 | - | 4.98 | 595,237 |
| Countries that Start with K | 0 | - | 4.96 | 808,698 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,040 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,902 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,746 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,356 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,525 |
| Countries that Start with U | 0 | - | 4.97 | 899,298 |
| Countries that Start with V | 0 | - | 4.98 | 604,592 |
| Countries that Start with F | 0 | - | 4.83 | 611,545 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,392 |
| Richest Island Countries | 0 | - | 4.84 | 99,402 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,320 |
| Monarchies of Europe | 0 | - | 4.90 | 97,219 |
| Monarchies of Asia | 0 | - | 4.97 | 70,544 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,278 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,382 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,026 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,356 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,462 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,548 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,765 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,830 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,608 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,752 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,334 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,889 |
| Countries with Megacities | 0 | - | 4.99 | 246,256 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,808 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,748 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,269 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,684 |
| Countries by Official Language | 0 | - | 4.95 | 192,607 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,906 |
| Countries in their Native Language | 0 | - | 4.99 | 196,494 |
| Independence from Whom | 0 | - | 4.99 | 209,503 |
| Subdivisions by Country | 0 | - | 4.86 | 50,035 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,598 |
| Megadiverse Countries | 0 | - | 4.97 | 133,837 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,661 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,880 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,378 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,838 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,558 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,604 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,068 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,184 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,718 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,407 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,371 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,791 |
| Catholic Countries | 0 | - | 4.78 | 213,534 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,441 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,455 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,010 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,680 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,239 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,230 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,181 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,889 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,864 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,530 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,783 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,976 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,182 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,885 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,268 |
| Widest Countries East to West | 0 | - | 4.92 | 128,534 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,193 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,093 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,525 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,630 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,527 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,953 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,032 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,552 |
| Countries with Double Letters | 0 | - | 4.97 | 93,236 |
| Countries that End in N | 0 | - | 4.94 | 156,302 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,507 |
| Countries with Six Letters | 0 | - | 4.93 | 210,209 |
| Countries with W | 0 | - | 4.97 | 158,112 |
| Countries with Z | 0 | - | 4.98 | 287,531 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,438 |
| Countries That End in U | 0 | - | 4.95 | 119,454 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,366 |
| Countries that End in O | 0 | - | 4.92 | 158,482 |
| Countries that End in R | 0 | - | 4.86 | 118,212 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,814 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,881 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,195 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,396 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,575 |
| Countries That End in Y | 0 | - | 4.90 | 185,159 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,195 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,562 |
| Countries that End in I | 0 | - | 4.94 | 134,323 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,035 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,148 |
| Countries That End in NIA | 0 | - | 4.92 | 108,940 |
| Countries That End in BIA | 0 | - | 4.92 | 147,621 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,985 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,417 |
| Countries That End in RIA | 0 | - | 4.93 | 126,020 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,927 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,000 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,444 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,825 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,264 |
