| Taken | Quiz |
|---|
| 1,388 | Countries by Unique Animals |
| 1,375 | Countries with the Most Volcanoes |
| 1,374 | Sequential US Rivers and Cities |
| 1,373 | Misleading Animal Names - Picture Quiz |
| 1,361 | Countries Bordering the Aegean Sea - Map Quiz |
| 1,348 | Biology General Knowledge |
| 1,346 | Guess The Animal By Ear |
| 1,328 | World Rivers Map Quiz |
| 1,328 | Countries with multiple coastlines |
| 1,311 | Rivers of Russia |
| 1,302 | 100 Longest Rivers in South America - with a Map |
| 1,297 | Animals that start with J |
| 1,281 | Famous Lakes on a World Map |
| 1,274 | Random Animals by Picture |
| 1,243 | 50 Largest Lakes in the World Quiz |
| 1,228 | Top 10 Countries with the Most Goats |
| 1,225 | Large Animals: Living, Extinct, and Mythical |
| 1,227 | Geologic Eons, Eras and Periods |
| 1,208 | Dinosaurs - Name Meanings |
| 1,205 | Shark Identification #2 (Picture Hints) |
| 1,201 | Countries Bordering the Indian Ocean Empty Map Quiz |
| 1,199 | Disney Animals |
| 1,195 | Gardening & Plants General Knowledge #1 |
| 1,186 | Seas of the World |
| 1,182 | Top 10 most venomous snakes in the world |
| 1,171 | Mainland Countries with the Shortest Coastlines |
| 1,170 | 5 Most Common House Pets |
| 1,170 | All Mediterranean seas |
| 1,161 | Dog breed anagram |
| 1,160 | Flags with trees on |
| 1,153 | Car Logos A - Z |
| 1,143 | Top landforms by starting letter: Mountains, Rivers, Lakes, Islands |
| 1,136 | Groups of Countries By Bordering Sea #1 |
| 1,080 | Countries with Highest Coast-to-Land Border Ratio |
| 1,067 | Countries with the most long rivers |
| 1,052 | "C" animal quiz |
| 1,048 | Animal and nature |
| 1,035 | Small Countries with the Most Coastline - with Exceptions |
| 1,030 | Countries With Wild Capybaras |
| 1,030 | Horse Colour Quiz |
| 1,020 | Animals that Start with I |
| 1,018 | Animals by Picture - B |
| 1,015 | National Animals of Countries |
| 1,012 | Countries with Giant Pandas |
| 1,010 | ANIMAL Pictures 1 |
| 1,009 | Countries with less than 100km of Coastline |
| 1,008 | Danube River Basin Countries on a Map |
| 1,004 | Sequential Cities in the Nile River Basin |
| 991 | Countries without coastline |
| 986 | Biggest rivers in the world by drainage basins area |
| 983 | Longest Rivers in the US |
| 980 | Countries with the Most Moose |
| 981 | Three Real and One Fake - Friends |
| 972 | Mississippi Basin Rivers on a Map - Extreme |
| 971 | Animal Names Created by Only 2 Letters |
| 970 | Emoji Animals |
| 964 | Countries by River |
| 951 | Dog Breeds by Picture #1 |
| 950 | Insect... or Not an Insect? |
| 947 | 100 Longest Rivers in Africa - with a Map |
| 931 | Croatian rivers |
| 927 | Top 100 Largest Mammals |
| 920 | Animal Scientific Names |
| 919 | Group of Animals |
| 905 | Big Cats By Picture |
| 900 | Baby Animals-what are they called? |
| 897 | Unusual Animals Multiple Choice |
| 896 | Dog Breeds of the AKC - Hound Group |
| 887 | Countries named after rivers |
| 879 | Guess the Animal by the Picture - A |
| 874 | Mississippi-Missouri Basin States and Provinces |
| 873 | 40 Lakes on the World Map |
| 870 | Countries that Block Other Countries from Water |
| 864 | Name That Animal. |
| 864 | Common names for Snakes |
| 854 | Longest rivers in Europe |
| 850 | Canine or Feline |
| 842 | Deadly Snakes |
| 839 | Elephant Trivia Multiple Choice |
| 837 | Reptile... or Amphibian? |
| 830 | Top 10 shark attack countries |
| 831 | Name the Tectonic Plates |
| 829 | Click to Complete the Movie Title - Animals |
| 821 | Trees by Picture |
| 820 | Baltic Sea General Knowledge |
| 819 | Countries with Wild Lions |
| 817 | Capitals of the Countries Whose Names Start with Saint |
| 816 | States With the Most Bird Species |
| 818 | Click to Complete the Song Title - Animals |
| 803 | European Countries by Largest Wild Animal |
| 801 | Name The Animals |
| 800 | European Physical Geography |
| 797 | Name Every North American Bird |
| 794 | Random Australian Birds by Picture |
| 791 | The Shark Quiz |
| 789 | Huge List of U.S. Bodies of Water |
| 786 | Largest Countries with the Least Coastline |
| 779 | Animal General Knowledge #1 |
| 779 | Animals in Different Languages |
| 777 | Niger River Countries |
| 772 | Most popular pets |
| 764 | Top 30 Cat Breeds |
| 758 | Top 10 Countries with the Most Rabbits |
| 757 | 10 Largest Lakes in North America |
| 756 | Dog Breeds of the AKC - Herding Group |
| 754 | Top 5 Longest Rivers by Continent |
| 754 | Top 50 UK Garden Birds |
| 753 | Monkey Countries Quiz |
| 748 | Countries That JetPunk is Planting Trees In |
| 747 | Horses, Horses, Horses |
| 747 | Animals Trivia - Groups of Five |
| 743 | Five Countries With the Longest Coastline by Continent |
| 744 | Ocean Animals by Picture |
| 741 | Countries with the Most Reptile Species |
| 739 | A River Doesn't Run Through It |
| 736 | Top 18 Horse Breeds |
| 734 | German animal words in English |
| 730 | Where Does It Grow? Click Quiz #3 |
| 728 | UK Birds |
| 727 | 99 Insects and Arachnids |
| 726 | Rivers that Form State Borders |
| 725 | Caribbean Sea General Knowledge |
| 729 | British Birds by Picture |
| 722 | Countries by coastline per capita |
| 719 | Name that fish |
| 714 | 100 most popular dog breeds |
| 711 | Sharks: Test Your Knowledge |
| 704 | African Savanna Animals by Picture |
| 700 | Types of Penguins |
| 696 | Pretty Fly for a Picture Quiz |
| 695 | Birds By Pictures |
| 693 | Animals from Disney Movies |
| 691 | Top 10 most dangerous mammals quiz |
| 690 | Countries with Wild Giraffes |
| 686 | Animals By Picture - Close Up Feet |
| 685 | Groups of animals |
| 679 | Countries with the highest coastline:area ratio |
| 676 | Types of Whales |
| 676 | US States Hit Directly by the Most Hurricanes |
| 671 | Baby animals |
| 669 | German Rivers on a Map |
| 667 | Countries with Longest Coastlines by Continent |
| 667 | 4-Letter Animals - Picture Quiz |
| 662 | Answers Contain "Bay" |
| 656 | Countries with the most endemic species |
| 656 | WORD CHAIN: The Animal Kingdom |
| 653 | Name a Valid Body of Water |
| 649 | Animals by Picture - A |
| 648 | African Animals by Picture A-Z |
| 647 | Dog Breeds by Picture #2 |
| 645 | Animals from Spanish to English |
| 644 | Insect Orders |
| 641 | Longest Rivers in the United States in the Map Quiz |
| 637 | Lakes A-Z |
| 638 | Five Biggest Countries by River |
| 632 | Rivers of the 25 Largest American Cities |
| 626 | The Viking World |
| 626 | Slowest Animals by Picture |
| 622 | Animals by Picture - C |
| 621 | Organelles of a Cell Map Quiz |
| 622 | Who am I? - Animal Eyes |
| 616 | 4-Letter Animals |
| 615 | Insects A-Z |
| 613 | Rivers running through capital cities |
| 614 | Most Common Names For Pets: Dogs - Boy |
| 611 | Dog... or Cat? |
| 611 | Great Lakes States and Provinces With an Empty Map |
| 610 | Dog Breeds of the AKC - Sporting Group |
| 608 | Cities on Random European Rivers on a Map |
| 607 | Lakes on World Map |
| 605 | Countries Bordering Adriatic Sea - Map Quiz |
| 604 | Animals by Picture - C |
| 600 | Countries with the Most Wild Camels |
| 596 | Geology EOC Review |
| 596 | Top 10 Deepest Lakes In The World |
| 591 | Scientific Names of Popular Animals |
| 590 | U.S. Cities Separated By Rivers |
| 590 | US States with NO coastline |
| 588 | Name a Valid River |
| 582 | US states by coastline |
| 581 | Biggest rivers in Serbia |
| 578 | Rainforest Animals by Picture |
| 578 | Cross the River |
| 579 | Play Scrabble by Guessing Species of Walrus |
| 576 | U.S. States with Moose |
| 576 | Cat Breeds (FIFe) |
| 572 | Black Sea General Knowledge |
| 571 | Countries with Longest Maximum Distances to the Ocean |
| 568 | Answers Contain "Fox" Quiz |
| 566 | Dog Breeds of the AKC - Terrier Group |
| 565 | Bird... or Fish? |
| 562 | Animal Decoder #2 |
| 553 | Countries Bordering the Four Color Seas |
| 551 | 3-Letter Animals - Picture Quiz |
| 552 | Black Sea Cities on a Map |
| 550 | Most popular Breeds of dog |
