| Regions of Countries #1 | 0 | - | 4.97 | 158,965 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,315 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,361 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,128 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,753 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,664 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,264 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,589,894 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,872 |
| Random Country to Capital | 0 | - | 4.98 | 912,144 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,710 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,954 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,341 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,256 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,318 |
| Countries with Four Letters | 0 | - | 4.99 | 418,764 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,946 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,287 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,938 |
| Capital Cities Chain | 0 | - | 4.84 | 81,963 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,033 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,409 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,518 |
| Country Chain | 0 | - | 4.96 | 215,821 |
| Countries by Emojis | 0 | - | 4.99 | 236,493 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,160 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,232 |
| Islands by Country #1 | 0 | - | 4.87 | 174,546 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,972 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,946 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,820 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,557 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,747 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,925 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,515 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,594 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,125 |
| Australian States and Territories | 0 | - | 4.96 | 140,975 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,173 |
| Counties of England | 0 | - | 4.97 | 789,746 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,103 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,213 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,066 |
| Hawaiian Islands | 0 | - | 4.83 | 42,444 |
| The Only Country ... | 0 | - | 4.91 | 79,971 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,500 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,488 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,391 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,373 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,888 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,710 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,963 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,476 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,537 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,281 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,381 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,626 |
| Random Countries by Borders | 0 | - | 4.99 | 81,713 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,325 |
| Regions of Italy | 0 | - | 4.92 | 74,806 |
| States of India | 0 | - | 4.94 | 190,480 |
| Japanese Prefectures | 0 | - | 4.98 | 134,735 |
| Provinces of China | 0 | - | 4.97 | 200,339 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,443 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,081 |
| States of Germany | 0 | - | 4.96 | 150,228 |
| Regions of New Zealand | 0 | - | 4.85 | 28,208 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,275 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,187 |
| Provinces of Turkey | 0 | - | 4.95 | 201,476 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,946 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,017 |
| Boundary Waters | 0 | - | 4.92 | 88,068 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,834 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,705 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,349 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,603 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,347 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,704 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,977 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,846 |
| States of Mexico | 0 | - | 4.95 | 173,501 |
| States of Brazil | 0 | - | 4.98 | 86,472 |
| Departments of France | 0 | - | 4.93 | 52,900 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,033 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,372 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,254 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,994 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,453 |
| Cities Chain #2 | 0 | - | 4.42 | 56,175 |
| Cities Chain #1 | 0 | - | 4.61 | 66,362 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,202 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,953,161 |
| Landlocked Countries | 0 | - | 4.99 | 413,982 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,564 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,494 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,128 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,856 |
| First Names of Scientists | 0 | - | 4.50 | 56,482 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,236 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,931 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,050 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,774 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,313 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,486 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,226 |
| Counties of Ireland | 0 | - | 4.92 | 193,204 |
| Historical Middle Names | 0 | - | 4.16 | 35,404 |
| People with Food Names | 0 | - | 4.10 | 60,516 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,255 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,645 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,731 |
| Birth Names | 0 | - | 4.30 | 61,427 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,193 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,050 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,711 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,110 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,551 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,021 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,767 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,337 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,259 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,076 |
| Island Countries | 0 | - | 4.99 | 707,770 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,752 |
| Himalayan Countries | 0 | - | 4.95 | 135,492 |
| Andean Countries | 0 | - | 4.94 | 82,891 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,277 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,290 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,970 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,653 |
| Danube Countries | 0 | - | 4.97 | 71,116 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,816 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,577 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,565 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,472 |
| European Landlocked Countries | 0 | - | 4.99 | 145,799 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,266 |
| Countries with the Most Species | 0 | - | 4.99 | 95,261 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,407 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,212 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,977 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,600 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,980 |
| Countries in the Alps | 0 | - | 4.86 | 116,896 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,609 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,334 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,040 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,460 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,220 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,042 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,619 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,787 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,446 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,104 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,206 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,063 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,481 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,790 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,783 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,153 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,685 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,277 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,828 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,514 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,805 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,624 |
| Largest Countries By Category | 0 | - | 4.97 | 156,835 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,554 |
| Countries by Countries | 0 | - | 4.96 | 62,298 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,457 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,462 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,960 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,977 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,343 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,810 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,020 |
| Northernmost Countries | 0 | - | 4.99 | 357,951 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,466 |
| Countries by Milk Production | 0 | - | 4.54 | 43,647 |
| Mountains by Country | 0 | - | 4.64 | 81,555 |
| Islands by Country #2 | 0 | - | 4.80 | 77,019 |
| Countries of South America | 0 | - | 5.00 | 915,478 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,461 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,852 |
| "Land" Countries | 0 | - | 4.98 | 333,749 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,105 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,814 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,755 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,496 |
| Top World Languages | 0 | - | 4.92 | 813,658 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,588 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,251 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,532 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,652 |
| Longest International Borders | 0 | - | 4.99 | 263,670 |
| Countries with Three Borders | 0 | - | 4.96 | 36,208 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,621 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,707 |
