| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,800,309 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,365 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,607 |
| Longest International Borders | 0 | - | 4.99 | 263,522 |
| Countries with Three Borders | 0 | - | 4.96 | 36,171 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,593 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,318 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,747 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,585 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,727 |
| Find the City #1 | 0 | - | 4.97 | 42,090 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,130 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,530 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,556 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,310 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 110,938 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,088 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,230 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 144,628 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,301 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,224 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 115,056 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,683 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,149 |
| One Border Countries | 0 | - | 4.98 | 464,258 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.96 | 31,384 |
| World Capitals by Map | 0 | - | 5.00 | 283,132 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,649 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,458 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,118 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,004 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 61,741 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,804 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,558 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,477 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,251 |
| Largest Countries with No Borders | 0 | - | 4.97 | 219,921 |
| Countries with Two Borders | 0 | - | 4.99 | 145,636 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,428 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,231 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,178 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,681 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,163 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,496 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,554 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 32,577 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,402 |
| Longest Border by Country #3 | 0 | - | 4.99 | 79,007 |
| Countries Sandwiched Between Two Others | 0 | - | 4.89 | 90,867 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,271 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,170 |
| African East Coast | 0 | - | 4.96 | 95,021 |
| Clear All Country Borders on the World Map | 0 | - | 4.63 | 40,762 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,459 |
| Boundary Waters | 0 | - | 4.92 | 88,029 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,805 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,254 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,256 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,825 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,718 |
| Pixelated World Map | 0 | - | 5.00 | 142,406 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,698 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,496 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,858 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,280 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,873 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,661 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 79,946 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,592 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,778 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,605 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,745 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,655 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 173,886 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,903,616 |
| Landlocked Countries | 0 | - | 4.99 | 413,418 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,485 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,662 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,551 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,177 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,163 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,917 |
| Seas on the World Map | 0 | - | 4.96 | 133,795 |
| Seas of the World | 0 | - | 5.00 | 154,292 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,883 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,415 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,149 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,981 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,583 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,931 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,211 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,500 |
| Himalayan Countries | 0 | - | 4.95 | 135,281 |
| Andean Countries | 0 | - | 4.94 | 82,791 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,193 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,142 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,859 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,567 |
| Danube Countries | 0 | - | 4.97 | 71,062 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,730 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,517 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,426 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,350 |
| European Landlocked Countries | 0 | - | 4.99 | 145,731 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,171 |
| Countries with the Most Species | 0 | - | 4.99 | 95,234 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,311 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,193 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,359 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,948 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,561 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,936 |
| Countries in the Alps | 0 | - | 4.86 | 116,787 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,536 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,222 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,991 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,404 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,131 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,977 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,551 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,736 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,185 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,035 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,189 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,031 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,431 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,722 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,735 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,020 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,620 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,246 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,750 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,180 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,599 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,590 |
| Largest Countries By Category | 0 | - | 4.97 | 156,720 |
| Countries by Countries | 0 | - | 4.96 | 62,242 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,352 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,957 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,323 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,683 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,606 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,085 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,739 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,920 |
| Smallest Countries Bordering Each Other | 0 | - | 4.63 | 92,286 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,692 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,475 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,538 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,226 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,433 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,654 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,149 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,082 |
| Largest Arctic Islands with a Map | 0 | - | 4.46 | 20,509 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,550 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,136 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,851 |
| Demonym of Every Country | 0 | - | 4.91 | 58,622 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,207 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,384 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,581 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,016 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,639 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,011 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,640 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,454 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,057 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,741 |
| Island Countries | 0 | - | 4.99 | 707,543 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,135 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,933 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,225 |
| Northernmost Countries | 0 | - | 4.99 | 357,624 |
| Countries of South America | 0 | - | 5.00 | 914,382 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,061 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,651 |
| "Land" Countries | 0 | - | 4.98 | 333,593 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,035 |
| Top World Languages | 0 | - | 4.92 | 812,872 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,158 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,473 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,071 |
| Countries with Megacities | 0 | - | 4.99 | 246,678 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,002 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,857 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,428 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,786 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,911 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,635 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,587 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,585 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,392 |
| Countries by Capital City | 0 | - | 5.00 | 66,601 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,306 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,891 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,400 |
| Moved Capital Cities | 0 | - | 4.96 | 73,569 |
| Countries by Official Language | 0 | - | 4.95 | 192,731 |