| Taken | Quiz |
|---|
| 1,620 | Rivers by Country |
| 1,611 | Horse knowledge |
| 1,610 | Seas on the Map of Europe |
| 1,572 | Countries with the longest Total Borders and Coastline |
| 1,572 | Countries Bordering the Aegean Sea - Map Quiz |
| 1,547 | 10 Most Popular Pets |
| 1,543 | Sequential US Rivers and Cities |
| 1,539 | Famous Lakes on a World Map |
| 1,529 | Animals that begin with P. |
| 1,508 | Most Dangerous People Food for Dogs |
| 1,500 | Guess The Animal By Ear |
| 1,484 | 100 Longest Rivers in Asia - with a Map |
| 1,481 | Geologic Eons, Eras and Periods |
| 1,459 | Cartoon Animals |
| 1,448 | 50 Largest Lakes in the World Quiz |
| 1,442 | Most Popular Flowers |
| 1,435 | Countries with multiple coastlines |
| 1,429 | Random Animals by Picture |
| 1,429 | Countries with the Most Volcanoes |
| 1,413 | World Rivers Map Quiz |
| 1,398 | Animals that start with J |
| 1,396 | Car Logos A - Z |
| 1,347 | Rivers of Russia |
| 1,333 | Shark Identification #2 (Picture Hints) |
| 1,333 | Countries Bordering the Indian Ocean Empty Map Quiz |
| 1,308 | Disney Animals |
| 1,303 | Top 10 Countries with the Most Goats |
| 1,281 | Large Animals: Living, Extinct, and Mythical |
| 1,281 | Mainland Countries with the Shortest Coastlines |
| 1,278 | Dinosaurs - Name Meanings |
| 1,257 | Name a Valid Country by Animal |
| 1,253 | Dog breed anagram |
| 1,246 | Gardening & Plants General Knowledge #1 |
| 1,222 | Seas of the World |
| 1,215 | 5 Most Common House Pets |
| 1,212 | All Mediterranean seas |
| 1,206 | Groups of Countries By Bordering Sea #1 |
| 1,206 | Animals by Picture - B |
| 1,193 | Top landforms by starting letter: Mountains, Rivers, Lakes, Islands |
| 1,187 | Flags with trees on |
| 1,185 | Countries with Highest Coast-to-Land Border Ratio |
| 1,166 | Countries with the most long rivers |
| 1,164 | Danube River Basin Countries on a Map |
| 1,160 | The Viking World |
| 1,148 | Unusual Animals Multiple Choice |
| 1,135 | Countries with Giant Pandas |
| 1,128 | Three Real and One Fake - Friends |
| 1,121 | Emoji Animals |
| 1,122 | Countries With Wild Capybaras |
| 1,119 | Top 100 Largest Mammals |
| 1,117 | ANIMAL Pictures 1 |
| 1,116 | Countries with less than 100km of Coastline |
| 1,111 | Dog Breeds by Picture #1 |
| 1,101 | Small Countries with the Most Coastline - with Exceptions |
| 1,101 | Sequential Cities in the Nile River Basin |
| 1,100 | Countries with the Most Moose |
| 1,099 | Animals that Start with I |
| 1,097 | "C" animal quiz |
| 1,093 | Mississippi Basin Rivers on a Map - Extreme |
| 1,077 | Animal and nature |
| 1,068 | Insect... or Not an Insect? |
| 1,065 | Horse Colour Quiz |
| 1,058 | Big Cats By Picture |
| 1,055 | Multiple Capitals on Rivers |
| 1,042 | National Animals of Countries |
| 1,038 | Countries without coastline |
| 1,019 | Biggest rivers in the world by drainage basins area |
| 1,015 | Countries by River |
| 1,007 | Longest Rivers in the US |
| 1,006 | Croatian rivers |
| 1,006 | Where Does It Grow? Click Quiz #3 |
| 995 | Animal Names Created by Only 2 Letters |
| 966 | Mississippi-Missouri Basin States and Provinces |
| 965 | Guess the Animal by the Picture - A |
| 965 | Elephant Trivia Multiple Choice |
| 962 | Trees by Picture |
| 958 | Reptile... or Amphibian? |
| 951 | 40 Lakes on the World Map |
| 950 | Group of Animals |
| 949 | Countries named after rivers |
| 939 | Canine or Feline |
| 936 | Baltic Sea General Knowledge |
| 934 | Dog Breeds of the AKC - Hound Group |
| 931 | Baby Animals-what are they called? |
| 920 | Countries that Block Other Countries from Water |
| 915 | Name Every North American Bird |
| 912 | Killer Whale Quiz |
| 912 | 100 most popular dog breeds |
| 893 | Top 10 shark attack countries |
| 893 | Name That Animal. |
| 885 | Largest Countries with the Least Coastline |
| 882 | Name the Tectonic Plates |
| 881 | Common names for Snakes |
| 880 | Huge List of U.S. Bodies of Water |
| 875 | European Countries by Largest Wild Animal |
| 875 | 100 Longest Rivers in Oceania - with a Map |
| 874 | Animal General Knowledge #1 |
| 873 | Random Australian Birds by Picture |
| 872 | Longest rivers in Europe |
| 860 | Deadly Snakes |
| 859 | German animal words in English |
| 855 | States With the Most Bird Species |
| 853 | Ocean Animals by Picture |
| 852 | The Shark Quiz |
| 853 | Animals Trivia - Groups of Five |
| 848 | Animal Look-Alikes #1 |
| 847 | Name The Animals |
| 846 | Caribbean Sea General Knowledge |
| 843 | Animals By Picture - Close Up Feet |
| 841 | European Physical Geography |
| 839 | Capitals of the Countries Whose Names Start with Saint |
| 838 | Monkey Countries Quiz |
| 837 | Countries with Wild Lions |
| 835 | Five Countries With the Longest Coastline by Continent |
| 831 | Countries with the Most Reptile Species |
| 825 | Top 10 Countries with the Most Rabbits |
| 820 | British Birds by Picture |
| 820 | Animals in Different Languages |
| 814 | Most popular pets |
| 814 | Dog Breeds of the AKC - Herding Group |
| 812 | Top 50 UK Garden Birds |
| 811 | Countries by coastline per capita |
| 801 | 10 Largest Lakes in North America |
| 800 | Animals by Picture - A |
| 799 | Animals from Disney Movies |
| 796 | UK Birds |
| 796 | Animals by Picture - C |
| 795 | Niger River Countries |
| 794 | Sharks: Test Your Knowledge |
| 793 | African Savanna Animals by Picture |
| 793 | Top 30 Cat Breeds |
| 792 | US States Hit Directly by the Most Hurricanes |
| 789 | Most Common Names For Pets: Dogs - Boy |
| 784 | Countries That JetPunk is Planting Trees In |
| 782 | Cross the River |
| 778 | Horses, Horses, Horses |
| 777 | Dog Breeds by Picture #2 |
| 776 | Pretty Fly for a Picture Quiz |
| 776 | Top 5 Longest Rivers by Continent |
| 773 | Bird... or Fish? |
| 766 | Answers Contain "Bay" |
| 766 | Birds By Pictures |
| 760 | Dog... or Cat? |
| 760 | General Knowledge: Answers are Animals #2 |
| 758 | Name that fish |
| 755 | Countries with Wild Giraffes |
| 754 | Top 18 Horse Breeds |
| 754 | Insect Orders |
| 752 | 99 Insects and Arachnids |
| 751 | Organelles of a Cell Map Quiz |
| 750 | A River Doesn't Run Through It |
| 750 | Name a Valid Sea |
| 744 | Rivers that Form State Borders |
| 739 | 4-Letter Animals - Picture Quiz |
| 734 | Who am I? - Animal Eyes |
| 732 | Types of Whales |
| 731 | African Animals by Picture A-Z |
| 726 | Countries with the highest coastline:area ratio |
| 724 | German Rivers on a Map |
| 722 | Groups of animals |
| 721 | Countries with Longest Coastlines by Continent |
| 721 | WORD CHAIN: The Animal Kingdom |
| 719 | 4-Letter Animals |
| 718 | Lakes A-Z |
| 716 | Types of Penguins |
| 714 | Baby animals |
| 711 | Five Biggest Countries by River |
| 706 | Insects A-Z |
| 704 | Animals from Spanish to English |
| 702 | Top 10 most dangerous mammals quiz |
| 696 | Countries with the most endemic species |
| 696 | Longest Rivers in the United States in the Map Quiz |
| 692 | Name Every Type of Bird |
| 691 | Cities on Random European Rivers on a Map |
| 684 | Slowest Animals by Picture |
| 679 | Most Populous Countries by Bordering Sea |
| 678 | Lakes on World Map |
| 677 | Countries Bordering Adriatic Sea - Map Quiz |
| 676 | Animals by Picture - C |
| 675 | Countries with Great Tits |
| 672 | Rainforest Animals by Picture |
| 671 | Countries Bordering the Four Color Seas |
| 668 | U.S. Cities Separated By Rivers |
| 667 | Black Sea General Knowledge |
| 666 | Play Scrabble by Guessing Species of Walrus |
| 665 | 10 US States With The Most Bigfoot Sightings |
| 665 | Coasts of the World |
| 662 | Scientific Names of Popular Animals |
| 662 | Rivers of the 25 Largest American Cities |
| 660 | Rivers running through capital cities |
| 660 | Arctic Ocean General Knowledge |
| 661 | Ultimate "Lake" Geography Quiz |
| 655 | Dog Breeds of the AKC - Sporting Group |
| 652 | Answers Contain "Fox" Quiz |
| 651 | Great Lakes States and Provinces With an Empty Map |
| 647 | Biggest rivers in Serbia |
