| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,288 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,392 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,653 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,064 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,587 |
| Sea in the Answers | 0 | - | 4.10 | 48,770 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,565 |
| Landforms by Country | 0 | - | 4.52 | 51,951 |
| African Great Lakes | 0 | - | 4.82 | 65,941 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,009 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,241 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,301 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,364 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,611,263 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,751 |
| Random Country to Capital | 0 | - | 4.98 | 917,072 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,096,867 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,171 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,761 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,640 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,867 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,578 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,066 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,808 |
| Countries with Four Letters | 0 | - | 4.99 | 421,199 |
| Rivers of the United States | 0 | - | 4.93 | 66,011 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 69,019 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,115 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,706 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,443 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,779 |
| African Physical Geography | 0 | - | 4.51 | 31,643 |
| Asian Physical Geography | 0 | - | 4.60 | 35,469 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,175 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,181 |
| Capital Cities Chain | 0 | - | 4.83 | 82,406 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,577 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,322 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,559 |
| Country Chain | 0 | - | 4.96 | 216,695 |
| Countries by Emojis | 0 | - | 4.99 | 238,358 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,413 |
| Islands by Country #1 | 0 | - | 4.88 | 175,006 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,298 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,645 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,580 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,667 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,845 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,273 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,140 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,757 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,692 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,027 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,763 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,664 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,033 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,016 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,721 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,564 |
| Capitals by River | 0 | - | 4.55 | 48,286 |
| The Only Country ... | 0 | - | 4.91 | 80,672 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,459 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,871 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,861 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,581 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,242 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,397 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,033 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,230 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,290 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,593 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,414 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,739 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,700 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,968 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,927 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,602 |
| Random Countries by Borders | 0 | - | 4.99 | 82,209 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,495 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,498 |
| Geological Extremes | 0 | - | 4.34 | 39,996 |
| European Physical Geography | 0 | - | 4.26 | 33,451 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,770 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,246 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,632 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,371 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,501 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,385 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,178 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,261 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,744 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,161 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,091 |
| South China Sea Countries | 0 | - | 4.78 | 57,633 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 136,973 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,619 |
| National Animals | 0 | - | 4.24 | 89,572 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,684 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,178 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,113 |
| Bear in the Answers | 0 | - | 4.29 | 61,809 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,140 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,746 |
| Cities Chain #2 | 0 | - | 4.42 | 56,293 |
| Cities Chain #1 | 0 | - | 4.61 | 66,546 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,467 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,274,442 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,070 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,822 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,779 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,005 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,017 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,893 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,714 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,664 |
| South American Physical Geography | 0 | - | 4.58 | 18,325 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,211 |
| Seas of Europe | 0 | - | 4.37 | 84,554 |
| Boundary Waters | 0 | - | 4.92 | 88,338 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,050 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,829 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,012 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,336 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,392 |
| Landlocked Countries | 0 | - | 4.99 | 418,074 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,295 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,559 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,717 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,893 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 49,055 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,530 |
| Countries by Milk Production | 0 | - | 4.54 | 43,869 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,111 |
| Mountains by Country | 0 | - | 4.56 | 81,708 |
| Islands by Country #2 | 0 | - | 4.80 | 77,281 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,491 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,150 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,208 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,074 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 238,914 |
| Animal Emojis | 0 | - | 4.73 | 83,931 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,463 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,539 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,549 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,777 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,213 |
| Fictional Cities | 0 | - | 4.25 | 47,924 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,103 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,263 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 486,750 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,182 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,903 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,141 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,068 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,220 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,899 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,370 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,662 |
| Island Countries | 0 | - | 4.99 | 709,382 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,565 |
| Himalayan Countries | 0 | - | 4.94 | 137,048 |
| Andean Countries | 0 | - | 4.95 | 83,742 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,995 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,364 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,667 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,238 |
| Danube Countries | 0 | - | 4.97 | 71,565 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,421 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,978 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,492 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,548 |
| European Landlocked Countries | 0 | - | 4.99 | 146,672 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,004 |
| Countries with the Most Species | 0 | - | 4.99 | 102,757 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,143 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,389 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,555 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,252 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,922 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,305 |
| Countries in the Alps | 0 | - | 4.87 | 117,559 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,045 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,199 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,362 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,896 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,005 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,386 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,169 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,115 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,920 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,481 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,438 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,166 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,861 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,122 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,147 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,006 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,999 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,523 |
