| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,303 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,666 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,567 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,182 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,696 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,466 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,548 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,347 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,064 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,094 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,181 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,305 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,132 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,383 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,692 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,399 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,001 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,051 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,539 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,848 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,084 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,054 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,717 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,871 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,333 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,811 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,914 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,832 |
| Top 15 Countries with the Most Cows | 0 | - | 4.72 | 104,123 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,619 |
| Empires by Maps | 0 | - | 4.98 | 120,088 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,323 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,574 |
| Animals of Australia | 0 | - | 4.52 | 42,295 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,220 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,823 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,572 |
| All Country Flags of the World | 0 | - | 5.00 | 3,651,619 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,353 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,264 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,300 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,213 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,289 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,023 |
| Play-Doh People from History | 0 | - | 4.99 | 94,628 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,902 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,241 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,414 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,064 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,467 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,085 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,860 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,738 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,954 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,392 |
| Flags with Crescents | 0 | - | 4.98 | 169,180 |
| Country Flag Trivia | 0 | - | 4.81 | 56,847 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,503 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,292 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,121 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,142 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,062 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,392 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,658 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,901 |
| National Football Team Logos | 0 | - | 4.85 | 180,052 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,800 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,745 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,799 |
| Years in History by Picture | 0 | - | 4.44 | 35,458 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,784 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,425 |
| National Animals | 0 | - | 4.24 | 89,618 |
| Flags to Languages | 0 | - | 4.95 | 173,449 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,822 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,420 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,488 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,920 |
| Fruits by Picture | 0 | - | 4.19 | 806,808 |
| Old Movies by Picture | 0 | - | 4.51 | 25,059 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,964 |
| Name that Object #1 | 0 | - | 3.57 | 96,469 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,195 |
| Geography by Picture - B | 0 | - | 4.42 | 55,568 |
| Geography by Picture - H | 0 | - | 4.50 | 58,190 |
| Geography by Picture - N | 0 | - | 4.45 | 42,179 |
| Geography by Picture - R | 0 | - | 4.56 | 40,999 |
| Geography by Picture - T | 0 | - | 4.54 | 57,810 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,910 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,843 |
| Random Logos Quiz | 0 | - | 4.31 | 208,200 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,785 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,373 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,993 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,917 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,551 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,756 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,293 |
| Animals in World History | 0 | - | 4.74 | 44,440 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,613 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,318 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,894 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,625 |
| Elements by Picture | 0 | - | 4.27 | 69,864 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,289 |
| Islands by Picture | 0 | - | 4.29 | 106,782 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,231 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,622 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,141 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,964 |
| International Footballers by Picture | 0 | - | 4.50 | 55,451 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,251 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,509 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,736 |
| Geography by Picture - A | 0 | - | 4.39 | 60,208 |
| Geography by Picture - D | 0 | - | 4.15 | 45,626 |
| Geography by Picture - F | 0 | - | 4.31 | 50,963 |
| Geography by Picture - G | 0 | - | 4.38 | 47,921 |
| Geography by Picture - J | 0 | - | 4.16 | 38,440 |
| Geography by Picture - K | 0 | - | 4.29 | 33,105 |
| Geography by Picture - C | 0 | - | 4.31 | 57,038 |
| Geography by Picture - L | 0 | - | 4.37 | 58,917 |
| Geography by Picture - M | 0 | - | 4.14 | 40,428 |
| Geography by Picture - P | 0 | - | 4.24 | 42,406 |
| Geography by Picture - S | 0 | - | 4.38 | 47,021 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,072 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,364 |
| Flag Maths | 0 | - | 4.64 | 57,747 |
| Satellite Images #1 | 0 | - | 4.47 | 129,308 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,250 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,872 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,677 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,874 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,947 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,881 |
| Soccer Team Logos | 0 | - | 4.26 | 373,846 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,419,049 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,709 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,438 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,749 |
| Movie Logos | 0 | - | 4.33 | 238,026 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,625 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,129 |
| History by Picture - A | 0 | - | 4.26 | 45,767 |
| History by Picture - B | 0 | - | 4.40 | 48,913 |
| History by Picture - C | 0 | - | 4.36 | 54,446 |
| History by Picture - F | 0 | - | 4.35 | 37,861 |
| History by Picture - G | 0 | - | 4.40 | 42,116 |
| History by Picture - D | 0 | - | 4.29 | 44,291 |
| History by Picture - E | 0 | - | 4.27 | 43,903 |
| History by Picture - H | 0 | - | 4.37 | 36,775 |
| History by Picture - K | 0 | - | 4.35 | 33,338 |
| History by Picture - M | 0 | - | 4.17 | 36,130 |
| History by Picture - N | 0 | - | 4.40 | 41,236 |
| History by Picture - O | 0 | - | 4.39 | 36,297 |
| History by Picture - T | 0 | - | 4.20 | 33,299 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,202 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,298 |
| Animal Adjectives | 0 | - | 4.77 | 59,969 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,655 |
| African Great Lakes | 0 | - | 4.82 | 66,082 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,992 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,196 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,773 |
| Flowers by Picture | 0 | - | 4.46 | 105,602 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,710 |
| Name that Object #2 | 0 | - | 3.64 | 15,434 |
| Authors by Picture | 0 | - | 4.48 | 25,520 |
| Name that Object #3 | 0 | - | 3.93 | 14,388 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 85,470 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,228 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,630 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,698 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,857 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,789 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,098 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,347 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,378 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,133 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,627 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,321 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,308 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,205 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,116 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,113 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,978 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,190 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,471 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,231 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,756 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,875 |
| Emoji Flags | 0 | - | 4.35 | 44,029 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,114 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,790 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,855 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,367 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,297 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,612 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,788 |
