| Taken | Quiz |
|---|
| 1,623 | Rivers by Country |
| 1,616 | Seas on the Map of Europe |
| 1,614 | Horse knowledge |
| 1,579 | Countries with the longest Total Borders and Coastline |
| 1,577 | Countries Bordering the Aegean Sea - Map Quiz |
| 1,550 | Sequential US Rivers and Cities |
| 1,550 | 10 Most Popular Pets |
| 1,545 | Famous Lakes on a World Map |
| 1,529 | Animals that begin with P. |
| 1,510 | Most Dangerous People Food for Dogs |
| 1,507 | Guess The Animal By Ear |
| 1,493 | 100 Longest Rivers in Asia - with a Map |
| 1,490 | Geologic Eons, Eras and Periods |
| 1,459 | Cartoon Animals |
| 1,456 | 50 Largest Lakes in the World Quiz |
| 1,444 | Most Popular Flowers |
| 1,440 | Countries with multiple coastlines |
| 1,437 | Random Animals by Picture |
| 1,431 | Countries with the Most Volcanoes |
| 1,414 | World Rivers Map Quiz |
| 1,401 | Animals that start with J |
| 1,399 | Car Logos A - Z |
| 1,348 | Rivers of Russia |
| 1,342 | Shark Identification #2 (Picture Hints) |
| 1,340 | Countries Bordering the Indian Ocean Empty Map Quiz |
| 1,309 | Disney Animals |
| 1,305 | Top 10 Countries with the Most Goats |
| 1,285 | Mainland Countries with the Shortest Coastlines |
| 1,281 | Large Animals: Living, Extinct, and Mythical |
| 1,281 | Dinosaurs - Name Meanings |
| 1,272 | Name a Valid Country by Animal |
| 1,255 | Dog breed anagram |
| 1,249 | Gardening & Plants General Knowledge #1 |
| 1,223 | Seas of the World |
| 1,216 | 5 Most Common House Pets |
| 1,216 | All Mediterranean seas |
| 1,215 | Animals by Picture - B |
| 1,210 | Groups of Countries By Bordering Sea #1 |
| 1,194 | Top landforms by starting letter: Mountains, Rivers, Lakes, Islands |
| 1,190 | Countries with Highest Coast-to-Land Border Ratio |
| 1,187 | Flags with trees on |
| 1,174 | Danube River Basin Countries on a Map |
| 1,170 | Countries with the most long rivers |
| 1,163 | The Viking World |
| 1,159 | Unusual Animals Multiple Choice |
| 1,140 | Countries with Giant Pandas |
| 1,137 | Three Real and One Fake - Friends |
| 1,135 | Animal Decoder #2 |
| 1,128 | Emoji Animals |
| 1,126 | Countries With Wild Capybaras |
| 1,125 | Top 100 Largest Mammals |
| 1,121 | ANIMAL Pictures 1 |
| 1,119 | Countries with less than 100km of Coastline |
| 1,114 | Dog Breeds by Picture #1 |
| 1,106 | Countries with the Most Moose |
| 1,102 | Small Countries with the Most Coastline - with Exceptions |
| 1,102 | Sequential Cities in the Nile River Basin |
| 1,100 | Animals that Start with I |
| 1,097 | "C" animal quiz |
| 1,096 | Mississippi Basin Rivers on a Map - Extreme |
| 1,079 | Animal and nature |
| 1,072 | Insect... or Not an Insect? |
| 1,067 | Horse Colour Quiz |
| 1,064 | Big Cats By Picture |
| 1,059 | Multiple Capitals on Rivers |
| 1,042 | National Animals of Countries |
| 1,039 | Countries without coastline |
| 1,019 | Biggest rivers in the world by drainage basins area |
| 1,019 | Where Does It Grow? Click Quiz #3 |
| 1,015 | Countries by River |
| 1,008 | Longest Rivers in the US |
| 1,007 | Croatian rivers |
| 998 | Animal Names Created by Only 2 Letters |
| 970 | Mississippi-Missouri Basin States and Provinces |
| 969 | Elephant Trivia Multiple Choice |
| 966 | Guess the Animal by the Picture - A |
| 965 | Trees by Picture |
| 963 | Reptile... or Amphibian? |
| 956 | 40 Lakes on the World Map |
| 950 | Group of Animals |
| 949 | Countries named after rivers |
| 942 | Canine or Feline |
| 940 | Baltic Sea General Knowledge |
| 935 | Dog Breeds of the AKC - Hound Group |
| 932 | Baby Animals-what are they called? |
| 921 | Countries that Block Other Countries from Water |
| 919 | Name Every North American Bird |
| 918 | 100 most popular dog breeds |
| 914 | Killer Whale Quiz |
| 895 | Name That Animal. |
| 894 | Top 10 shark attack countries |
| 888 | Largest Countries with the Least Coastline |
| 885 | Huge List of U.S. Bodies of Water |
| 885 | Name the Tectonic Plates |
| 881 | Common names for Snakes |
| 877 | 100 Longest Rivers in Oceania - with a Map |
| 878 | European Countries by Largest Wild Animal |
| 875 | Animal General Knowledge #1 |
| 874 | Longest rivers in Europe |
| 873 | Random Australian Birds by Picture |
| 866 | Capitals of the Countries Whose Names Start with Saint |
| 863 | German animal words in English |
| 861 | Deadly Snakes |
| 859 | Animals Trivia - Groups of Five |
| 858 | Ocean Animals by Picture |
| 856 | States With the Most Bird Species |
| 854 | The Shark Quiz |
| 852 | Animal Look-Alikes #1 |
| 850 | Caribbean Sea General Knowledge |
| 850 | Animals By Picture - Close Up Feet |
| 848 | Name The Animals |
| 842 | European Physical Geography |
| 841 | Monkey Countries Quiz |
| 839 | Countries with Wild Lions |
| 838 | Five Countries With the Longest Coastline by Continent |
| 836 | Countries with the Most Reptile Species |
| 828 | Top 10 Countries with the Most Rabbits |
| 823 | British Birds by Picture |
| 821 | Animals in Different Languages |
| 814 | Top 50 UK Garden Birds |
| 815 | Dog Breeds of the AKC - Herding Group |
| 814 | Most popular pets |
| 811 | Countries by coastline per capita |
| 806 | Animals by Picture - A |
| 805 | Animals by Picture - C |
| 804 | UK Birds |
| 801 | 10 Largest Lakes in North America |
| 800 | Most Common Names For Pets: Dogs - Boy |
| 800 | Animals from Disney Movies |
| 798 | Sharks: Test Your Knowledge |
| 796 | Niger River Countries |
| 796 | US States Hit Directly by the Most Hurricanes |
| 794 | African Savanna Animals by Picture |
| 793 | Top 30 Cat Breeds |
| 785 | Countries That JetPunk is Planting Trees In |
| 783 | Cross the River |
| 781 | Horses, Horses, Horses |
| 779 | Pretty Fly for a Picture Quiz |
| 778 | Bird... or Fish? |
| 778 | Dog Breeds by Picture #2 |
| 776 | Top 5 Longest Rivers by Continent |
| 770 | Birds By Pictures |
| 768 | Answers Contain "Bay" |
| 762 | General Knowledge: Answers are Animals #2 |
| 764 | Dog... or Cat? |
| 760 | Name that fish |
| 757 | Insect Orders |
| 756 | Top 18 Horse Breeds |
| 755 | Countries with Wild Giraffes |
| 753 | 99 Insects and Arachnids |
| 754 | Name a Valid Sea |
| 751 | Organelles of a Cell Map Quiz |
| 751 | A River Doesn't Run Through It |
| 745 | Rivers that Form State Borders |
| 743 | 4-Letter Animals - Picture Quiz |
| 741 | Who am I? - Animal Eyes |
| 732 | African Animals by Picture A-Z |
| 732 | Types of Whales |
| 727 | Countries with the highest coastline:area ratio |
| 725 | German Rivers on a Map |
| 723 | Groups of animals |
| 721 | WORD CHAIN: The Animal Kingdom |
| 721 | Countries with Longest Coastlines by Continent |
| 721 | 4-Letter Animals |
| 720 | Lakes A-Z |
| 716 | Types of Penguins |
| 714 | Baby animals |
| 712 | Five Biggest Countries by River |
| 708 | Insects A-Z |
| 705 | Animals from Spanish to English |
| 703 | Top 10 most dangerous mammals quiz |
| 700 | Name Every Type of Bird |
| 697 | Countries with the most endemic species |
| 697 | Longest Rivers in the United States in the Map Quiz |
| 692 | Cities on Random European Rivers on a Map |
| 685 | Slowest Animals by Picture |
| 684 | Most Populous Countries by Bordering Sea |
| 683 | Lakes on World Map |
| 680 | Countries with Great Tits |
| 680 | Countries Bordering Adriatic Sea - Map Quiz |
| 678 | Countries Bordering the Four Color Seas |
| 677 | Animals by Picture - C |
| 676 | Rainforest Animals by Picture |
| 671 | Black Sea General Knowledge |
| 668 | U.S. Cities Separated By Rivers |
| 667 | Coasts of the World |
| 667 | Play Scrabble by Guessing Species of Walrus |
| 667 | Ultimate "Lake" Geography Quiz |
| 665 | 10 US States With The Most Bigfoot Sightings |
| 662 | Scientific Names of Popular Animals |
| 662 | Rivers of the 25 Largest American Cities |
| 661 | Arctic Ocean General Knowledge |
| 660 | Rivers running through capital cities |
| 656 | Horse facts: true or false |
| 657 | Dog Breeds of the AKC - Sporting Group |
| 653 | Great Lakes States and Provinces With an Empty Map |
