| Independence from Whom | 0 | - | 4.99 | 210,437 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,253 |
| Countries in World War I | 0 | - | 4.88 | 227,342 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,161 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,185 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,503 |
| Battle to Country | 0 | - | 4.91 | 52,865 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,547 |
| NATO Countries | 0 | - | 4.98 | 277,811 |
| EU Countries Quiz | 0 | - | 4.99 | 271,386 |
| Recently Independent Countries | 0 | - | 4.98 | 158,324 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,160 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,125 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,880 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,336 |
| Countries with NO Military | 0 | - | 4.97 | 61,531 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,071 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,009 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,707 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,130 |
| Countries by Former Name | 0 | - | 4.99 | 124,632 |
| Historical City to Country | 0 | - | 4.84 | 78,299 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,130,465 |
| Communist Countries in History | 0 | - | 4.63 | 493,722 |
| Landlocked Countries | 0 | - | 4.99 | 416,236 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,368 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,804 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,725 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,632 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,503 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,866 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,739 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,992 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,499 |
| Former Capitals | 0 | - | 4.88 | 71,263 |
| Countries in World War II | 0 | - | 4.54 | 907,966 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,062 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,181 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,693 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,042 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,394 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,353 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,416 |
| Buddhist Countries | 0 | - | 4.96 | 143,332 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,216 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,141 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,660 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,648 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,872 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,726 |
| Himalayan Countries | 0 | - | 4.95 | 136,330 |
| Andean Countries | 0 | - | 4.95 | 83,390 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,653 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,880 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,346 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,955 |
| Danube Countries | 0 | - | 4.97 | 71,352 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,147 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,813 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,070 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,020 |
| European Landlocked Countries | 0 | - | 4.99 | 146,078 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,693 |
| Countries with the Most Species | 0 | - | 4.99 | 99,804 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,840 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,311 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,486 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,128 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,779 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,152 |
| Countries in the Alps | 0 | - | 4.86 | 117,278 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,866 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,800 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,226 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,692 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,744 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,216 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,943 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,966 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,765 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,298 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,337 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,188 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,689 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,959 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,969 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,631 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,866 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,399 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,568 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,152 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,761 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,462 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,789 |
| Largest Countries By Category | 0 | - | 4.97 | 157,203 |
| Orthodox Countries | 0 | - | 4.92 | 130,852 |
| Countries by Countries | 0 | - | 4.96 | 62,558 |
| Richest Island Countries | 0 | - | 4.84 | 99,916 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,383 |
| Monarchies of Europe | 0 | - | 4.90 | 97,656 |
| Monarchies of Asia | 0 | - | 4.97 | 70,801 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,534 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,673 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,075 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,816 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,988 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,078 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,403 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,046 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,602 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,730 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,658 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,953 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,788 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,931 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,979 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,624 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 84,037 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,930 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,277 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,647 |
| Countries that Start with D | 0 | - | 4.96 | 704,535 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,064 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,599 |
| Countries that Start with H | 0 | - | 4.96 | 600,434 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,184 |
| Countries that Start with J | 0 | - | 4.98 | 598,460 |
| Countries that Start with K | 0 | - | 4.97 | 811,668 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,699 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,654 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,494 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,307 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,299 |
| Countries that Start with U | 0 | - | 4.97 | 901,630 |
| Countries that Start with V | 0 | - | 4.98 | 606,599 |
| Countries that Start with F | 0 | - | 4.83 | 614,224 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,438 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,029 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,416 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,838 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,506 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,639 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,464 |
| Island Countries | 0 | - | 4.99 | 708,672 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,430 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,853 |
| Northernmost Countries | 0 | - | 4.99 | 359,155 |
| Countries of South America | 0 | - | 5.00 | 919,098 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,928 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,284 |
| "Land" Countries | 0 | - | 4.98 | 334,316 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,832 |
| Countries by Independence Day | 0 | - | 4.61 | 52,667 |
| Former Countries by Capital | 0 | - | 4.45 | 127,224 |
| Former Countries | 0 | - | 4.75 | 132,936 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,377 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,411 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,323 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,529 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,568 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,443 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,665 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,607 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,696 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,219 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,317 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,689 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,164 |
| Countries with Megacities | 0 | - | 4.99 | 248,705 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,028 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,481 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,395 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,431 |
| Countries by Official Language | 0 | - | 4.95 | 193,878 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,352 |
| Countries in their Native Language | 0 | - | 4.99 | 197,519 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Megadiverse Countries | 0 | - | 4.96 | 134,511 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,713 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,061 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,610 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,391 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,515 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,349 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,797 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,107 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,561 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,660 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,628 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,833 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,183 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,407 |
| World Map Quiz | 0 | - | 4.81 | 63,988 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,147 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,661 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,982 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,622 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,348 |
