| One Country By Letter By Continent | 0 | - | 5.00 | 122,037 |
| Countries that Start with A | 0 | - | 4.97 | 2,149,181 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,903 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,994 |
| Countries that Start with D | 0 | - | 4.96 | 702,683 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,880 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,278 |
| Countries that Start with H | 0 | - | 4.96 | 598,877 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,392 |
| Countries that Start with J | 0 | - | 4.98 | 596,919 |
| Countries that Start with K | 0 | - | 4.97 | 810,260 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,972 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,852 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,569 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,038 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,991 |
| Countries that Start with U | 0 | - | 4.97 | 900,574 |
| Countries that Start with V | 0 | - | 4.98 | 605,683 |
| Countries that Start with F | 0 | - | 4.83 | 612,966 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,554 |
| Countries that Start with R | 0 | - | 4.43 | 444,210 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,046 |
| Majority Muslim Countries | 0 | - | 4.98 | 369,664 |
| NATO Countries | 0 | - | 4.98 | 276,682 |
| EU Countries Quiz | 0 | - | 4.99 | 270,501 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,403 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,971 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,326 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,970 |
| Countries with NO Military | 0 | - | 4.97 | 61,279 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,987 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,998,713 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,460 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,185 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,693 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,423 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,829 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,237 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,055 |
| Buddhist Countries | 0 | - | 4.96 | 143,091 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,288 |
| Landlocked Countries | 0 | - | 4.99 | 414,573 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,796 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,179 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,208 |
| Orthodox Countries | 0 | - | 4.91 | 130,537 |
| Richest Island Countries | 0 | - | 4.84 | 99,651 |
| Battle to Country | 0 | - | 4.91 | 52,619 |
| Monarchies of Europe | 0 | - | 4.90 | 97,453 |
| Monarchies of Asia | 0 | - | 4.97 | 70,669 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,903 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,116 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,593 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,642 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,492 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,444 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,325 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,632 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,609 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,751 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,525 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,079 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,817 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,745 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,108 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,607 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,528 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,084 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,466 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,162 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,481 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,324 |
| Island Countries | 0 | - | 4.99 | 707,995 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,992 |
| Himalayan Countries | 0 | - | 4.95 | 135,697 |
| Andean Countries | 0 | - | 4.94 | 83,026 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,373 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,434 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,075 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,734 |
| Danube Countries | 0 | - | 4.97 | 71,179 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,897 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,637 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,702 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,604 |
| European Landlocked Countries | 0 | - | 4.99 | 145,876 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,363 |
| Countries with the Most Species | 0 | - | 4.99 | 95,299 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,531 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,235 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,404 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,015 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,652 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,022 |
| Countries in the Alps | 0 | - | 4.86 | 116,982 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,682 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,453 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,106 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,508 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,297 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,091 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,694 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,837 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,594 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,151 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,230 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,098 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,536 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,827 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,828 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,286 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,735 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,310 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,938 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,830 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,991 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,682 |
| Largest Countries By Category | 0 | - | 4.97 | 156,907 |
| Countries by Countries | 0 | - | 4.96 | 62,359 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,175 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,033 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,410 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,549 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,999 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,357 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,855 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,768 |
| Northernmost Countries | 0 | - | 4.99 | 358,256 |
| Countries of South America | 0 | - | 5.00 | 916,561 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,601 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,726 |
| "Land" Countries | 0 | - | 4.98 | 333,912 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,355 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,231 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,552 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,386 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,538 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,129 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,150 |
| One Border Countries - Shape Quiz | 0 | - | 4.83 | 64,557 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,088 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,880 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,715 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,176 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,714 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,050 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,697 |
| Countries with Megacities | 0 | - | 4.99 | 247,740 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,545 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,235 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,948 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,176 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,043 |
| Countries by Official Language | 0 | - | 4.95 | 192,973 |
| OPEC Countries | 0 | - | 4.74 | 84,846 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,425 |
| Countries in their Native Language | 0 | - | 4.99 | 196,835 |
| Independence from Whom | 0 | - | 4.99 | 209,945 |
| Subdivisions by Country | 0 | - | 4.86 | 50,112 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,929 |
| Countries in World War I | 0 | - | 4.88 | 226,773 |
| Megadiverse Countries | 0 | - | 4.97 | 133,976 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,602 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,002 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,967 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,481 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,886 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,783 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,068 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,211 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,229 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,262 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,767 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,762 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,464 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,567 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,554 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,228 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,745 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,076 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,875 |
| World Map Quiz | 0 | - | 4.81 | 63,680 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,231 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,437 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,602 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,373 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,116 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,095 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,015 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,211 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,410 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,019 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,453 |
| Widest Countries East to West | 0 | - | 4.92 | 128,954 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,259 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,364 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,615 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,780 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,721 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,153 |