| Taken | Quiz |
|---|
| 1,554 | Countries with the longest Total Borders and Coastline |
| 1,540 | 10 Most Popular Pets |
| 1,525 | Countries Bordering the Aegean Sea - Map Quiz |
| 1,523 | Animals that begin with P. |
| 1,515 | Famous Lakes on a World Map |
| 1,514 | Sequential US Rivers and Cities |
| 1,508 | 100 Longest Rivers in Africa - with a Map |
| 1,498 | Most Dangerous People Food for Dogs |
| 1,464 | Guess The Animal By Ear |
| 1,457 | Geologic Eons, Eras and Periods |
| 1,452 | Cartoon Animals |
| 1,439 | Most Popular Flowers |
| 1,416 | Countries with the Most Volcanoes |
| 1,414 | 50 Largest Lakes in the World Quiz |
| 1,410 | Countries with multiple coastlines |
| 1,397 | World Rivers Map Quiz |
| 1,393 | 100 Longest Rivers in Asia - with a Map |
| 1,388 | Animals that start with J |
| 1,389 | Random Animals by Picture |
| 1,356 | Car Logos A - Z |
| 1,336 | Rivers of Russia |
| 1,309 | Countries Bordering the Indian Ocean Empty Map Quiz |
| 1,286 | Shark Identification #2 (Picture Hints) |
| 1,285 | Disney Animals |
| 1,284 | Top 10 Countries with the Most Goats |
| 1,273 | Large Animals: Living, Extinct, and Mythical |
| 1,267 | Dinosaurs - Name Meanings |
| 1,260 | Mainland Countries with the Shortest Coastlines |
| 1,241 | Dog breed anagram |
| 1,238 | Gardening & Plants General Knowledge #1 |
| 1,219 | Name a Valid Country by Animal |
| 1,215 | Seas of the World |
| 1,206 | 5 Most Common House Pets |
| 1,205 | All Mediterranean seas |
| 1,189 | Groups of Countries By Bordering Sea #1 |
| 1,186 | Top landforms by starting letter: Mountains, Rivers, Lakes, Islands |
| 1,184 | Flags with trees on |
| 1,169 | Countries with Highest Coast-to-Land Border Ratio |
| 1,159 | Animals by Picture - B |
| 1,142 | Countries with the most long rivers |
| 1,134 | The Viking World |
| 1,121 | Danube River Basin Countries on a Map |
| 1,103 | Countries with Giant Pandas |
| 1,100 | Countries with less than 100km of Coastline |
| 1,101 | Countries With Wild Capybaras |
| 1,100 | Three Real and One Fake - Friends |
| 1,098 | Unusual Animals Multiple Choice |
| 1,096 | ANIMAL Pictures 1 |
| 1,091 | Emoji Animals |
| 1,090 | "C" animal quiz |
| 1,090 | Animals that Start with I |
| 1,089 | Click to Complete the Movie Title - Animals |
| 1,082 | Countries with the Most Moose |
| 1,079 | Small Countries with the Most Coastline - with Exceptions |
| 1,078 | Sequential Cities in the Nile River Basin |
| 1,075 | Top 100 Largest Mammals |
| 1,073 | Animal and nature |
| 1,070 | Dog Breeds by Picture #1 |
| 1,068 | Mississippi Basin Rivers on a Map - Extreme |
| 1,057 | Horse Colour Quiz |
| 1,043 | Click to Complete the Song Title - Animals |
| 1,040 | National Animals of Countries |
| 1,038 | Insect... or Not an Insect? |
| 1,038 | Big Cats By Picture |
| 1,033 | Multiple Capitals on Rivers |
| 1,026 | Countries without coastline |
| 1,011 | Biggest rivers in the world by drainage basins area |
| 1,004 | Countries by River |
| 1,001 | Longest Rivers in the US |
| 993 | Animal Names Created by Only 2 Letters |
| 976 | Croatian rivers |
| 944 | Mississippi-Missouri Basin States and Provinces |
| 943 | Guess the Animal by the Picture - A |
| 942 | Group of Animals |
| 939 | 40 Lakes on the World Map |
| 934 | Elephant Trivia Multiple Choice |
| 933 | Where Does It Grow? Click Quiz #3 |
| 933 | Trees by Picture |
| 932 | Countries named after rivers |
| 931 | Reptile... or Amphibian? |
| 927 | Baby Animals-what are they called? |
| 920 | Canine or Feline |
| 914 | Dog Breeds of the AKC - Hound Group |
| 911 | Countries that Block Other Countries from Water |
| 911 | Baltic Sea General Knowledge |
| 895 | Killer Whale Quiz |
| 888 | Name That Animal. |
| 888 | Name Every North American Bird |
| 884 | 100 most popular dog breeds |
| 879 | Common names for Snakes |
| 874 | Name the Tectonic Plates |
| 871 | Huge List of U.S. Bodies of Water |
| 871 | Largest Countries with the Least Coastline |
| 870 | Random Australian Birds by Picture |
| 867 | Top 10 shark attack countries |
| 867 | Longest rivers in Europe |
| 860 | European Countries by Largest Wild Animal |
| 859 | Animal General Knowledge #1 |
| 855 | Deadly Snakes |
| 844 | States With the Most Bird Species |
| 838 | Name The Animals |
| 836 | Capitals of the Countries Whose Names Start with Saint |
| 836 | Ocean Animals by Picture |
| 835 | European Physical Geography |
| 834 | Countries with Wild Lions |
| 833 | Animals Trivia - Groups of Five |
| 833 | German animal words in English |
| 827 | The Shark Quiz |
| 825 | Monkey Countries Quiz |
| 824 | Five Countries With the Longest Coastline by Continent |
| 819 | Animals By Picture - Close Up Feet |
| 817 | Caribbean Sea General Knowledge |
| 814 | Animals in Different Languages |
| 811 | Most popular pets |
| 813 | 100 Longest Rivers in Oceania - with a Map |
| 807 | British Birds by Picture |
| 806 | Countries with the Most Reptile Species |
| 803 | Top 10 Countries with the Most Rabbits |
| 800 | Top 50 UK Garden Birds |
| 794 | Countries by coastline per capita |
| 791 | 10 Largest Lakes in North America |
| 790 | Niger River Countries |
| 790 | Dog Breeds of the AKC - Herding Group |
| 788 | Animals from Disney Movies |
| 786 | Top 30 Cat Breeds |
| 786 | UK Birds |
| 783 | Animal Look-Alikes #1 |
| 779 | Countries That JetPunk is Planting Trees In |
| 775 | US States Hit Directly by the Most Hurricanes |
| 773 | African Savanna Animals by Picture |
| 773 | Top 5 Longest Rivers by Continent |
| 769 | Sharks: Test Your Knowledge |
| 768 | Horses, Horses, Horses |
| 761 | Animals by Picture - A |
| 760 | Most Common Names For Pets: Dogs - Boy |
| 754 | Birds By Pictures |
| 753 | Answers Contain "Bay" |
| 752 | Dog Breeds by Picture #2 |
| 750 | Top 18 Horse Breeds |
| 749 | Animals by Picture - C |
| 748 | Pretty Fly for a Picture Quiz |
| 746 | 99 Insects and Arachnids |
| 746 | A River Doesn't Run Through It |
| 745 | General Knowledge: Answers are Animals #2 |
| 744 | Name that fish |
| 740 | Rivers that Form State Borders |
| 740 | Countries with Wild Giraffes |
| 739 | Bird... or Fish? |
| 737 | Cross the River |
| 736 | Insect Orders |
| 735 | Dog... or Cat? |
| 732 | Name a Valid Sea |
| 732 | Organelles of a Cell Map Quiz |
| 729 | 4-Letter Animals - Picture Quiz |
| 726 | Types of Whales |
| 716 | WORD CHAIN: The Animal Kingdom |
| 713 | Types of Penguins |
| 713 | Countries with the highest coastline:area ratio |
| 713 | African Animals by Picture A-Z |
| 712 | Who am I? - Animal Eyes |
| 711 | Countries with Longest Coastlines by Continent |
| 710 | German Rivers on a Map |
| 710 | Groups of animals |
| 706 | 4-Letter Animals |
| 702 | Baby animals |
| 701 | Top 10 most dangerous mammals quiz |
| 700 | Lakes A-Z |
| 699 | Five Biggest Countries by River |
| 689 | Countries with the most endemic species |
| 687 | Animals from Spanish to English |
| 686 | Longest Rivers in the United States in the Map Quiz |
| 680 | Insects A-Z |
| 675 | Slowest Animals by Picture |
| 672 | Cities on Random European Rivers on a Map |
| 664 | Animals by Picture - C |
| 662 | Lakes on World Map |
| 661 | Countries with Great Tits |
| 661 | Coasts of the World |
| 655 | Rainforest Animals by Picture |
| 654 | Rivers of the 25 Largest American Cities |
| 654 | Scientific Names of Popular Animals |
| 653 | 10 US States With The Most Bigfoot Sightings |
| 654 | Countries Bordering Adriatic Sea - Map Quiz |
| 651 | Black Sea General Knowledge |
| 649 | U.S. Cities Separated By Rivers |
| 647 | Play Scrabble by Guessing Species of Walrus |
| 646 | Name Every Type of Bird |
| 645 | Countries Bordering the Four Color Seas |
| 646 | Rivers running through capital cities |
| 644 | Great Lakes States and Provinces With an Empty Map |
| 643 | Most Populous Countries by Bordering Sea |
| 640 | Arctic Ocean General Knowledge |
| 638 | Biggest rivers in Serbia |
| 638 | Answers Contain "Fox" Quiz |
| 635 | Dog Breeds of the AKC - Sporting Group |
| 632 | Top 10 Deepest Lakes In The World |
