| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,075 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,602 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,601 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,378 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,048 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,642 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,034 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,504 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,446 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,476 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,891 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,585,731 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,156 |
| Random Country to Capital | 0 | - | 4.98 | 911,103 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,861 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,184 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,616 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,023 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 115,986 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,164 |
| Countries with Four Letters | 0 | - | 4.99 | 418,309 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,736 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,112 |
| Capital Cities Chain | 0 | - | 4.84 | 81,868 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,943 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,228 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,357 |
| Country Chain | 0 | - | 4.96 | 215,635 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,365 |
| Countries by Emojis | 0 | - | 4.99 | 236,002 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,067 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,802 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,865 |
| Islands by Country #1 | 0 | - | 4.87 | 174,438 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,874 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,242 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,311 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,652 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,686 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,185 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,245 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,412 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,680 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,299 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,373 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,911 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,847 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,012 |
| Companies by Country | 0 | - | 4.56 | 118,648 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,354 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,677 |
| The Only Country ... | 0 | - | 4.91 | 79,798 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,371 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,413 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,299 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,946 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,313 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,799 |
| Orthodox Countries | 0 | - | 4.91 | 130,313 |
| Battle to Country | 0 | - | 4.91 | 52,476 |
| Monarchies of Europe | 0 | - | 4.90 | 97,264 |
| Monarchies of Asia | 0 | - | 4.97 | 70,566 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,413 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,676 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,203 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,355 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,468 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,087 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,412 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,568 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,538 |
| Random Countries by Borders | 0 | - | 4.99 | 81,623 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,251 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,121 |
| Name a Valid Island Country | 0 | - | 4.96 | 113,992 |
| US States Quiz | 0 | - | 5.00 | 16,689,839 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,988 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,103 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,611 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,636 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,164 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,329 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,193 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,039 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,317 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,636 |
| Books by Country Quiz | 0 | - | 4.30 | 32,172 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,200 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,077 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,475 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,732 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,575 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,314 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,072 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,092 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,000 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,610 |
| Boundary Waters | 0 | - | 4.92 | 88,023 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,224 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,214 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,804 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,951 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,399 |
| Cities Chain #2 | 0 | - | 4.42 | 56,156 |
| Cities Chain #1 | 0 | - | 4.61 | 66,331 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,821 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,001 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,106 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,167 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,867 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,884,463 |
| Countries in World War I | 0 | - | 4.88 | 226,526 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,330 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,890 |
| Hindu Countries | 0 | - | 4.85 | 49,509 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,311 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,585 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,916 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,506 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,829 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,709 |
| Name a Country A-Z | 0 | - | 5.00 | 240,215 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,062 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,147 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,098 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,306 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,074 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,700 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,992 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,520 |
| First Names of Scientists | 0 | - | 4.50 | 56,440 |
| Star Wars Quotes | 0 | - | 4.84 | 173,347 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,373 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,611 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,522 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,329 |
| Landlocked Countries | 0 | - | 4.99 | 413,210 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,785 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,516 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,381 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,940 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,744 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,443 |
| Countries by Milk Production | 0 | - | 4.54 | 43,591 |
| Mountains by Country | 0 | - | 4.64 | 81,538 |
| Islands by Country #2 | 0 | - | 4.80 | 76,962 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,935 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,272 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,083 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,517 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,924 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,820 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,598 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,524 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,235 |
| Historical Middle Names | 0 | - | 4.16 | 35,365 |
| People with Food Names | 0 | - | 4.10 | 60,445 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,215 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,555 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,718 |
| Birth Names | 0 | - | 4.30 | 61,421 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,591 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,251 |
| WWII First Names | 0 | - | 4.44 | 41,545 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,129 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,953 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,534 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,888 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,401 |
| Fictional Cities | 0 | - | 4.25 | 47,867 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,011 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,091 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,168 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,070 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,748 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,947 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,903 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,037 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,765 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,988 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,437 |
| Island Countries | 0 | - | 4.99 | 707,428 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,397 |
| Himalayan Countries | 0 | - | 4.95 | 135,178 |
| Andean Countries | 0 | - | 4.94 | 82,741 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,156 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,091 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,824 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,527 |
| Danube Countries | 0 | - | 4.97 | 71,036 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,703 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,494 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,378 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,298 |
| European Landlocked Countries | 0 | - | 4.99 | 145,707 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,125 |
| Countries with the Most Species | 0 | - | 4.99 | 95,220 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,274 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |