| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,719 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,931 |
| Countries that Start with A | 0 | - | 4.98 | 2,170,155 |
| Countries that Start with B | 0 | - | 4.95 | 2,301,222 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,508 |
| Countries that Start with D | 0 | - | 4.96 | 713,578 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,736 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,020 |
| Countries that Start with H | 0 | - | 4.96 | 607,533 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,948 |
| Countries that Start with J | 0 | - | 4.98 | 605,026 |
| Countries that Start with K | 0 | - | 4.97 | 818,665 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,213 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,264 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,595 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,684 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,914 |
| Countries that Start with U | 0 | - | 4.97 | 906,611 |
| Countries that Start with V | 0 | - | 4.98 | 610,850 |
| Countries that Start with F | 0 | - | 4.83 | 619,722 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,538 |
| Countries that Start with R | 0 | - | 4.43 | 449,127 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,677 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,400 |
| NATO Countries | 0 | - | 4.98 | 282,254 |
| EU Countries Quiz | 0 | - | 4.99 | 276,433 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,065 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,398 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,678 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,278 |
| Countries with NO Military | 0 | - | 4.97 | 62,862 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,902 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,699,338 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,438 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,302 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,174 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,899 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,848 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,015 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,757 |
| Buddhist Countries | 0 | - | 4.96 | 144,792 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,265 |
| Landlocked Countries | 0 | - | 4.99 | 423,424 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,789,037 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,678 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,036 |
| Orthodox Countries | 0 | - | 4.92 | 132,475 |
| Richest Island Countries | 0 | - | 4.85 | 100,947 |
| Battle to Country | 0 | - | 4.91 | 53,693 |
| Monarchies of Europe | 0 | - | 4.90 | 98,529 |
| Monarchies of Asia | 0 | - | 4.97 | 71,340 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,200 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,253 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,988 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,411 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,131 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,877 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,822 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,162 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,618 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,716 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,507 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,692 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,841 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,215 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,745 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,782 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,478 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,804 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,343 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,877 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,975 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,277 |
| Island Countries | 0 | - | 4.99 | 711,593 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,182 |
| Himalayan Countries | 0 | - | 4.94 | 139,377 |
| Andean Countries | 0 | - | 4.94 | 84,962 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,174 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,343 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,742 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,056 |
| Danube Countries | 0 | - | 4.97 | 72,172 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,251 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,573 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,620 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,125 |
| European Landlocked Countries | 0 | - | 4.99 | 147,326 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,904 |
| Countries with the Most Species | 0 | - | 4.99 | 103,384 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,042 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,662 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,777 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,649 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,406 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,810 |
| Countries in the Alps | 0 | - | 4.87 | 118,431 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,927 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,370 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,787 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,768 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,683 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,072 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,866 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,638 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,273 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,991 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,745 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,612 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,356 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,604 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,679 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,264 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,437 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,016 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,299 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,727 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,539 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,346 |
| Largest Countries By Category | 0 | - | 4.97 | 158,480 |
| Countries by Countries | 0 | - | 4.96 | 63,401 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,548 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,469 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,151 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,936 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,337 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,842 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,807 |
| Northernmost Countries | 0 | - | 4.99 | 362,754 |
| Countries of South America | 0 | - | 5.00 | 929,409 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,490 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,978 |
| "Land" Countries | 0 | - | 4.98 | 337,755 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,524 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,455 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,586 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,608 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,392 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,565 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,667 |
| One Border Countries - Shape Quiz | 0 | - | 4.85 | 65,074 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,555 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,358 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,181 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,771 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,599 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,544 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,345 |
| Countries with Megacities | 0 | - | 4.99 | 265,603 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,139 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,701 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,400 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,780 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,446 |
| Countries by Official Language | 0 | - | 4.95 | 195,549 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,621 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,808 |
| Countries in their Native Language | 0 | - | 4.99 | 199,329 |
| Independence from Whom | 0 | - | 4.99 | 212,450 |
| Subdivisions by Country | 0 | - | 4.87 | 50,511 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,989 |
| Countries in World War I | 0 | - | 4.88 | 228,694 |
| Megadiverse Countries | 0 | - | 4.96 | 135,127 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,646 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,352 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,438 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,320 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,153 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,322 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,677 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,669 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,444 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,728 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,197 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,996 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,985 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,299 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,038 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,622 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,458 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,578 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,684 |
| World Map Quiz | 0 | - | 4.81 | 65,308 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,029 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,500 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,447 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,510 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,202 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,765 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,104 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,219 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,459 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,535 |
| Tallest Countries North to South | 0 | - | 4.83 | 123,847 |
| Widest Countries East to West | 0 | - | 4.92 | 129,909 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,495 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,949 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,413 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,877 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,759 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,027 |
