| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,862 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,049 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,009 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,477 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,437 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,256 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,530 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,527 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,053 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,852 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,500 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,343 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,041 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,571 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,639 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,695 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,199 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,711 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,479 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,573 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,120 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,865 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,820 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,893 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,159 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,051 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,494 |
| Name that Bug | 0 | - | 4.12 | 45,634 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,865 |
| Empires by Maps | 0 | - | 4.98 | 122,033 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,742 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,377 |
| Animals of Australia | 0 | - | 4.53 | 42,490 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,644 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,999 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,665 |
| All Country Flags of the World | 0 | - | 5.00 | 3,712,342 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,485 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,567 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,352 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,521 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,383 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,322 |
| Play-Doh People from History | 0 | - | 4.99 | 95,536 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,595 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,995 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,060 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,096 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,772 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,082 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,365 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,258 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,062 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,777 |
| Flags with Crescents | 0 | - | 4.98 | 171,309 |
| Country Flag Trivia | 0 | - | 4.81 | 58,001 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,870 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,416 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,574 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,933 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,960 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,004 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,471 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,735 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,987 |
| National Football Team Logos | 0 | - | 4.85 | 181,842 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,815 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,937 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,007 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,846 |
| Years in History by Picture | 0 | - | 4.45 | 35,792 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,416 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,267 |
| National Animals | 0 | - | 4.24 | 90,214 |
| Flags to Languages | 0 | - | 4.95 | 174,493 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,511 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,016 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,808 |
| Countries with Glaciers | 0 | - | 4.97 | 105,788 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,595 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,947 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,975 |
| Fruits by Picture | 0 | - | 4.19 | 809,249 |
| Old Movies by Picture | 0 | - | 4.51 | 25,263 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,298 |
| Name that Object #1 | 0 | - | 3.57 | 96,629 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,499 |
| Geography by Picture - B | 0 | - | 4.42 | 55,778 |
| Geography by Picture - H | 0 | - | 4.50 | 58,376 |
| Geography by Picture - N | 0 | - | 4.45 | 42,334 |
| Geography by Picture - R | 0 | - | 4.56 | 41,142 |
| Geography by Picture - T | 0 | - | 4.54 | 57,995 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,440 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,035 |
| Random Logos Quiz | 0 | - | 4.33 | 209,611 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,386 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,639 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,269 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,256 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,804 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,008 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,725 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,350 |
| Animals in World History | 0 | - | 4.74 | 44,674 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,852 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,504 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,263 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,969 |
| Elements by Picture | 0 | - | 4.27 | 70,315 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,509 |
| Islands by Picture | 0 | - | 4.28 | 107,776 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,451 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,659 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,539 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,653 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,207 |
| International Footballers by Picture | 0 | - | 4.51 | 56,413 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,079 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,616 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,220 |
| Geography by Picture - A | 0 | - | 4.39 | 60,429 |
| Geography by Picture - D | 0 | - | 4.15 | 45,778 |
| Geography by Picture - F | 0 | - | 4.31 | 51,169 |
| Geography by Picture - G | 0 | - | 4.39 | 48,072 |
| Geography by Picture - J | 0 | - | 4.16 | 38,588 |
| Geography by Picture - K | 0 | - | 4.29 | 33,244 |
| Geography by Picture - C | 0 | - | 4.31 | 57,230 |
| Geography by Picture - L | 0 | - | 4.37 | 59,131 |
| Geography by Picture - M | 0 | - | 4.14 | 40,575 |
| Geography by Picture - P | 0 | - | 4.24 | 42,557 |
| Geography by Picture - S | 0 | - | 4.38 | 47,175 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,028 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,408 |
| Flag Maths | 0 | - | 4.61 | 57,837 |
| Satellite Images #1 | 0 | - | 4.46 | 129,958 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,656 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,209 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,803 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,210 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,187 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,565 |
| Soccer Team Logos | 0 | - | 4.26 | 377,583 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,438,088 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,862 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,058 |
| Movie Logos | 0 | - | 4.33 | 240,376 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,153 |
| History by Picture - A | 0 | - | 4.26 | 46,132 |
| History by Picture - B | 0 | - | 4.40 | 49,329 |
| History by Picture - C | 0 | - | 4.33 | 54,860 |
| History by Picture - F | 0 | - | 4.35 | 38,177 |
| History by Picture - G | 0 | - | 4.40 | 42,422 |
| History by Picture - D | 0 | - | 4.29 | 44,635 |
| History by Picture - E | 0 | - | 4.25 | 44,217 |
| History by Picture - H | 0 | - | 4.37 | 37,065 |
| History by Picture - K | 0 | - | 4.35 | 33,595 |
| History by Picture - M | 0 | - | 4.17 | 36,380 |
| History by Picture - N | 0 | - | 4.40 | 41,516 |
| History by Picture - O | 0 | - | 4.39 | 36,542 |
| History by Picture - T | 0 | - | 4.20 | 33,526 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,719 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,085 |
| Animal Adjectives | 0 | - | 4.77 | 60,197 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,818 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,532 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,544 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,886 |
| African Great Lakes | 0 | - | 4.82 | 66,952 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,807 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,853 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,763 |
| Flowers by Picture | 0 | - | 4.46 | 105,858 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,949 |
| Name that Object #2 | 0 | - | 3.63 | 15,524 |
| Authors by Picture | 0 | - | 4.48 | 25,633 |
| Name that Object #3 | 0 | - | 3.93 | 14,465 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,913 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,228 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,174 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,366 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,484 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,294 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,781 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,750 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,662 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,363 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,110 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,754 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,818 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,080 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,343 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,736 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,125 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,095 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,005 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,372 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,580 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,532 |
| Emoji Flags | 0 | - | 4.35 | 44,283 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,690 |
