| Pick a Picture - Animal Relations | 0 | - | 4.94 | 53,225 |
| Animals by Skeleton Image | 0 | - | 4.81 | 44,290 |
| Animals by Close-up Image | 0 | - | 4.42 | 213,850 |
| Mammals by Picture #3 | 0 | - | 4.44 | 60,404 |
| Aquatic Mammals by Picture | 0 | - | 4.42 | 44,075 |
| Extinct Animals by Picture | 0 | - | 4.48 | 33,960 |
| Mammals by Picture #1 | 0 | - | 4.75 | 89,147 |
| Fish by Picture #1 | 0 | - | 4.41 | 106,772 |
| Birds by Picture #1 | 0 | - | 4.46 | 39,625 |
| Animals A-Z by Picture | 0 | - | 4.09 | 64,545 |
| Mammals by Picture #4 | 0 | - | 4.04 | 33,172 |
| Mammals by Picture #2 | 0 | - | 4.30 | 56,751 |
| Birds by Picture #2 | 0 | - | 4.33 | 34,789 |
| Birds by Picture #3 | 0 | - | 4.23 | 31,869 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,262 |
| Countries with Wild Tigers | 0 | - | 4.96 | 133,501 |
| Countries with Wild Penguins | 0 | - | 4.94 | 97,420 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 84,741 |
| Fish by Picture #2 | 0 | - | 4.08 | 17,891 |
| Countries with the Most Sheep | 0 | - | 4.88 | 86,584 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 23,647 |
| Countries with the Most Wolves | 0 | - | 4.91 | 104,703 |
| Countries that Catch the Most Fish | 0 | - | 4.89 | 109,264 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 21,661 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 24,512 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 53,736 |
| Animal Populations of Countries | 0 | - | 4.51 | 42,798 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,205 |
| Name that Bug | 0 | - | 4.11 | 45,105 |
| Australian Animals By Picture | 0 | - | 4.44 | 30,944 |
| Former Countries by Territory Map | 0 | - | 4.96 | 97,976 |
| Empires by Maps | 0 | - | 4.98 | 112,950 |
| Merged Company Logos #1 | 0 | - | 4.91 | 102,485 |
| Animals of Australia | 0 | - | 4.52 | 41,643 |
| Countries with More Cows than People | 0 | - | 4.41 | 49,349 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,096 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,225 |
| Islands by Shape #2 | 0 | - | 4.87 | 48,935 |
| Reptile Picture Quiz | 0 | - | 4.30 | 13,958 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 98,064 |
| Play-Doh People from History | 0 | - | 4.99 | 90,945 |
| Dog Breed Picture Quiz | 0 | - | 4.33 | 203,137 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 59,334 |
| All Country Flags of the World | 0 | - | 5.00 | 3,436,085 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 46,737 |
| Countries with Wild Lions | 0 | - | 4.78 | 25,045 |
| Top 10 Countries with the Most Horses | 0 | - | 4.51 | 67,756 |
| Where Do Musk Oxen Live? | 0 | - | 4.62 | 15,110 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,492,320 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,070,647 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 717,680 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 17,928 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,177 |
| Make a Stained Glass Window | 0 | - | 4.99 | 65,829 |
| Flags with Crescents | 0 | - | 4.98 | 161,606 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 98,386 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 65,680 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 81,673 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 63,926 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.83 | 81,870 |
| Flag Maths | 0 | - | 4.90 | 56,745 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 49,561 |
| National Football Team Logos | 0 | - | 4.85 | 173,614 |
| National Animals | 0 | - | 4.24 | 88,324 |
| Largest Land Animals of Africa | 0 | - | 4.34 | 12,498 |
| Years in History by Picture | 0 | - | 4.43 | 33,876 |
| Famous Foreheads #1 | 0 | - | 4.45 | 72,467 |
| Flags to Languages | 0 | - | 4.95 | 168,861 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 69,530 |
| Merged Company Logos #2 | 0 | - | 4.75 | 74,660 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 48,261 |
| Animals by Range on a World Map | 0 | - | 4.97 | 24,114 |
| Fruits by Picture | 0 | - | 4.19 | 795,098 |
| Old Movies by Picture | 0 | - | 4.51 | 24,040 |
| Musical Instruments by Picture #2 | 0 | - | 4.23 | 45,810 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 327,536 |
| Geography by Picture - B | 0 | - | 4.41 | 54,773 |
| Geography by Picture - H | 0 | - | 4.49 | 57,459 |
| Geography by Picture - N | 0 | - | 4.44 | 41,530 |
| Geography by Picture - R | 0 | - | 4.55 | 40,404 |
| Geography by Picture - T | 0 | - | 4.54 | 57,090 |
| Name the Pixelated Landmark | 0 | - | 4.83 | 60,680 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 514,087 |
| Random Logos Quiz | 0 | - | 4.33 | 202,842 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 108,691 |
| Pictures by Letter - A | 0 | - | 4.15 | 32,370 |
| Pictures by Letter - J | 0 | - | 4.28 | 38,971 |
| Pictures by Letter - B | 0 | - | 4.29 | 42,651 |
| Pictures by Letter - D | 0 | - | 4.15 | 36,537 |
| Pictures by Letter - M | 0 | - | 4.21 | 36,847 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 81,013 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,116 |
| Animals in World History | 0 | - | 4.74 | 43,379 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 56,520 |
| Islands by Shape #1 | 0 | - | 4.31 | 82,710 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 56,583 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 49,537 |
| Elements by Picture | 0 | - | 4.27 | 68,247 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,683 |
| Islands by Picture | 0 | - | 4.29 | 102,960 |
| Name that Object #1 | 0 | - | 3.58 | 95,941 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 23,450 |
| WWII Figures by Picture | 0 | - | 4.83 | 48,156 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 99,157 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,060 |
| International Footballers by Picture | 0 | - | 4.49 | 52,253 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 267,363 |
| Name that Historical Figure #5 | 0 | - | 4.42 | 102,708 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.48 | 48,231 |
| Geography by Picture - A | 0 | - | 4.38 | 59,370 |
| Geography by Picture - D | 0 | - | 4.14 | 44,975 |
| Geography by Picture - F | 0 | - | 4.30 | 50,274 |
| Geography by Picture - G | 0 | - | 4.39 | 47,308 |
| Geography by Picture - J | 0 | - | 4.16 | 37,903 |
| Geography by Picture - K | 0 | - | 4.28 | 32,598 |
| Geography by Picture - C | 0 | - | 4.30 | 56,337 |
| Geography by Picture - L | 0 | - | 4.36 | 58,136 |
| Geography by Picture - M | 0 | - | 4.13 | 39,928 |
| Geography by Picture - P | 0 | - | 4.23 | 41,882 |
| Geography by Picture - S | 0 | - | 4.37 | 46,432 |
| Miscellaneous Flags Quiz | 0 | - | 4.41 | 273,045 |
| Country Flag Trivia | 0 | - | 4.80 | 52,479 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 140,143 |
| Satellite Images Quiz #1 | 0 | - | 4.48 | 127,698 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 107,915 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 87,856 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.35 | 19,273 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 48,841 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,143 |
| Cities by Picture #1 | 0 | - | 4.70 | 83,583 |
| Soccer Team Logos | 0 | - | 4.26 | 360,748 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,343,459 |
| Ultimate Car Logos Quiz | 0 | - | 4.77 | 165,113 |
| Car Logos Quiz #2 | 0 | - | 4.42 | 252,205 |
| Video Game Logos Quiz | 0 | - | 4.37 | 165,061 |
| Movie Logos | 0 | - | 4.31 | 228,667 |
| Brand Logos That Start With M | 0 | - | 4.43 | 58,882 |
| Brand Logos That Start with A | 0 | - | 4.51 | 66,442 |
| History by Picture - A | 0 | - | 4.24 | 44,334 |
| History by Picture - B | 0 | - | 4.38 | 47,402 |
| History by Picture - C | 0 | - | 4.36 | 52,824 |
| History by Picture - F | 0 | - | 4.33 | 36,603 |
| History by Picture - G | 0 | - | 4.38 | 40,867 |
| History by Picture - D | 0 | - | 4.30 | 42,921 |
| History by Picture - E | 0 | - | 4.27 | 42,599 |
| History by Picture - H | 0 | - | 4.36 | 35,609 |
| History by Picture - K | 0 | - | 4.33 | 32,308 |
| History by Picture - M | 0 | - | 4.17 | 35,111 |
| History by Picture - N | 0 | - | 4.39 | 40,074 |
| History by Picture - O | 0 | - | 4.38 | 35,171 |
| History by Picture - T | 0 | - | 4.28 | 32,328 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 55,542 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 147,348 |
| Animal Adjectives | 0 | - | 4.75 | 59,159 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 32,936 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 62,895 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 49,186 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 69,958 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 136,443 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 87,298 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 94,916 |
| Art Works Picture Quiz #1 | 0 | - | 4.52 | 115,414 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 95,948 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 265,130 |
| Flowers by Picture | 0 | - | 4.47 | 103,931 |
| Art Works Picture Quiz #3 | 0 | - | 4.44 | 47,150 |
| Name that Object #2 | 0 | - | 3.65 | 15,039 |
| Authors by Picture | 0 | - | 4.47 | 25,030 |
| Name that Object #3 | 0 | - | 3.98 | 14,075 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 75,641 |
| College Sports Logos Quiz #3 | 0 | - | 4.29 | 52,675 |
| Planets By Picture Quiz | 0 | - | 4.50 | 54,199 |
| Songs by Picture Quiz #1 | 0 | - | 4.69 | 63,539 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 56,808 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.41 | 162,450 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 68,815 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.25 | 50,232 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,228 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.18 | 69,907 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.02 | 60,226 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 77,664 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.13 | 70,399 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.17 | 92,271 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,270 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 231,936 |
| Name that Historical Figure #4 | 0 | - | 4.30 | 153,736 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 89,090 |
| Musicians by Picture #1 | 0 | - | 4.38 | 102,894 |
| Musicians by Picture #2 | 0 | - | 4.24 | 72,177 |
| Musicians by Picture #4 | 0 | - | 4.05 | 61,677 |
| Musicians by Picture #3 | 0 | - | 4.08 | 56,628 |
| Emoji Flags | 0 | - | 4.34 | 43,050 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 165,426 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 36,360 |
| Languages by Combined Flags | 0 | - | 4.50 | 94,870 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 72,672 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 64,080 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 68,403 |
| Peninsulas by Satellite Image | 0 | - | 4.54 | 27,277 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 375,008 |
