| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,630 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,463 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,498 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,899 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,888 |
| Countries that Start with D | 0 | - | 4.96 | 711,666 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,547 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,820 |
| Countries that Start with H | 0 | - | 4.96 | 606,186 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,168 |
| Countries that Start with J | 0 | - | 4.98 | 603,794 |
| Countries that Start with K | 0 | - | 4.97 | 817,325 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,526 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,571 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,972 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,433 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,227 |
| Countries that Start with U | 0 | - | 4.97 | 905,623 |
| Countries that Start with V | 0 | - | 4.98 | 610,127 |
| Countries that Start with F | 0 | - | 4.83 | 618,708 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,707 |
| Countries that Start with R | 0 | - | 4.43 | 448,377 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,448 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,523 |
| NATO Countries | 0 | - | 4.98 | 281,543 |
| EU Countries Quiz | 0 | - | 4.99 | 275,516 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,311 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,450 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,216 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,940 |
| Countries with NO Military | 0 | - | 4.97 | 62,631 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,795 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,586,886 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,722 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,921 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,585 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,676 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,718 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,910 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,499 |
| Buddhist Countries | 0 | - | 4.96 | 144,604 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,959 |
| Landlocked Countries | 0 | - | 4.99 | 422,028 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,154 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,609 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,766 |
| Orthodox Countries | 0 | - | 4.92 | 132,241 |
| Richest Island Countries | 0 | - | 4.84 | 100,778 |
| Battle to Country | 0 | - | 4.91 | 53,516 |
| Monarchies of Europe | 0 | - | 4.90 | 98,340 |
| Monarchies of Asia | 0 | - | 4.97 | 71,216 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,666 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,584 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,614 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,125 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,013 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,648 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,636 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,966 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,523 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,596 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,543 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,517 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,710 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,006 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,478 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,594 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,340 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,688 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,612 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,512 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,306 |
| Island Countries | 0 | - | 4.99 | 711,066 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,487 |
| Himalayan Countries | 0 | - | 4.94 | 138,756 |
| Andean Countries | 0 | - | 4.93 | 84,620 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,825 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,844 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,444 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,818 |
| Danube Countries | 0 | - | 4.97 | 72,015 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,017 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,427 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,323 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,800 |
| European Landlocked Countries | 0 | - | 4.99 | 147,149 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,656 |
| Countries with the Most Species | 0 | - | 4.99 | 103,246 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,777 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,597 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,725 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,545 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,234 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,665 |
| Countries in the Alps | 0 | - | 4.87 | 118,215 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,160 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,047 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,654 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,599 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,518 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,948 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,682 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,497 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,183 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,856 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,661 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,530 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,234 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,478 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,529 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,923 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,313 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,850 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,083 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,965 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,131 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,236 |
| Largest Countries By Category | 0 | - | 4.97 | 158,221 |
| Countries by Countries | 0 | - | 4.96 | 63,230 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,372 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,775 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,051 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,696 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,289 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,678 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,933 |
| Northernmost Countries | 0 | - | 4.99 | 361,986 |
| Countries of South America | 0 | - | 5.00 | 927,421 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,006 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,455 |
| "Land" Countries | 0 | - | 4.98 | 337,354 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,321 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,242 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,262 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,424 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,258 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,513 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,465 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,999 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,482 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,295 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 42,103 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,414 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,250 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,985 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,910 |
| Countries with Megacities | 0 | - | 4.99 | 264,592 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,748 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,473 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,010 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,546 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,369 |
| Countries by Official Language | 0 | - | 4.95 | 195,262 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,206 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,384 |
| Countries in their Native Language | 0 | - | 4.99 | 199,051 |
| Independence from Whom | 0 | - | 4.99 | 212,109 |
| Subdivisions by Country | 0 | - | 4.86 | 50,432 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,740 |
| Countries in World War I | 0 | - | 4.88 | 228,448 |
| Megadiverse Countries | 0 | - | 4.96 | 135,016 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,348 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,100 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,360 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,237 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,107 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,145 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,600 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,475 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,033 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,662 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,147 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,678 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,884 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,206 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,966 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,557 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,351 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,498 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,194 |
| World Map Quiz | 0 | - | 4.81 | 65,094 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,311 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,351 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,105 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,281 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,999 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,200 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,897 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,015 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,304 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,440 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,579 |
| Widest Countries East to West | 0 | - | 4.92 | 129,651 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,459 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,384 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,123 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,769 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,604 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,874 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,375 |
