| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,302 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,029 |
| Random Countries by Borders | 0 | - | 4.99 | 83,139 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,594 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,655,675 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,631 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,939 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,487 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,637 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,707 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,104 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,126,321 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,782 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,770 |
| Countries with Four Letters | 0 | - | 4.99 | 426,053 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,420 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,616 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,792 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,036 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,974 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,718 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,090 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,870 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,134 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,165 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,211 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,847 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,132 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,925 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,920 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,169 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,042 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,916,609 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,939 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,445 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,741 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,800 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,951 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,153 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,515 |
| Country Chain | 0 | - | 4.96 | 218,533 |
| Countries by Emojis | 0 | - | 4.99 | 242,618 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,637 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,982 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,481 |
| Islands by Country #1 | 0 | - | 4.90 | 176,419 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,287 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,605 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,428 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,166 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,616 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,349 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,341 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,197 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,414 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 743,853 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,601 |
| Landlocked Countries | 0 | - | 4.99 | 426,481 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,548 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,393 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,837 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,985 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,813 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,764 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,704 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,138 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,975 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,568 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,779 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,429 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,332 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,225 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,838 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,191 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,580 |
| European Countries with One Border | 0 | - | 4.97 | 183,881 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,607 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,751 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,939 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,829 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,968 |
| Island Countries | 0 | - | 4.99 | 712,738 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,522 |
| Himalayan Countries | 0 | - | 4.93 | 140,457 |
| Andean Countries | 0 | - | 4.94 | 85,601 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,738 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,197 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,305 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,541 |
| Danube Countries | 0 | - | 4.97 | 72,465 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,674 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,896 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,250 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,724 |
| European Landlocked Countries | 0 | - | 4.99 | 147,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,391 |
| Countries with the Most Species | 0 | - | 4.99 | 103,602 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,498 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,790 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,910 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,875 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,612 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,065 |
| Countries in the Alps | 0 | - | 4.87 | 118,850 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,781 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,982 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,008 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,085 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,030 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,316 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,913 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,460 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,224 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,909 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,779 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,601 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,843 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,944 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,969 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,654 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,736 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,931 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,285 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,549 |
| Largest Countries By Category | 0 | - | 4.97 | 158,945 |
| Countries by Countries | 0 | - | 4.96 | 63,703 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,121 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,323 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,424 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,146 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,295 |
| Northernmost Countries | 0 | - | 4.99 | 364,258 |
| Countries of South America | 0 | - | 5.00 | 933,335 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,313 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,837 |
| "Land" Countries | 0 | - | 4.98 | 338,527 |
| Countries That Border Russia | 0 | - | 4.98 | 464,640 |
| Countries Bordering France | 0 | - | 4.83 | 405,068 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,984 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,539 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,205 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,476 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,439 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,668 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,745 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,372 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,099 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,147 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,318 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,634 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,892 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,688 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,305 |
| Countries with Megacities | 0 | - | 4.99 | 267,415 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,975 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,223 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,301 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,325 |
| Countries by Official Language | 0 | - | 4.95 | 196,102 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,767 |
| Countries in their Native Language | 0 | - | 4.99 | 199,832 |
| Independence from Whom | 0 | - | 4.99 | 213,205 |
| Subdivisions by Country | 0 | - | 4.87 | 50,640 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,554 |
| Megadiverse Countries | 0 | - | 4.96 | 143,278 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,024 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,553 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,744 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,236 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,343 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,884 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,177 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,590 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,116 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,274 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,628 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,428 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,462 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,171 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,602 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,912 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,513 |
| World Map Quiz | 0 | - | 4.81 | 65,813 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,516 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,756 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 65,240 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,368 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,149 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,613 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,723 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,481 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,599 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,787 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,720 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,834 |
| Widest Countries East to West | 0 | - | 4.92 | 130,774 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,614 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,299 |
