| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,900 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,974 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,103 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,030 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,499 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,485 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,076 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,076 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,522 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,361 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,583 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,741 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,502 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,826 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,488 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,632 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,600 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,747 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,677 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,755 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,229 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,639 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,170 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,888 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,787 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,899 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,184 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,071 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,505 |
| Name that Bug | 0 | - | 4.12 | 45,646 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,018 |
| Empires by Maps | 0 | - | 4.98 | 122,237 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,480 |
| Animals of Australia | 0 | - | 4.53 | 42,502 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,682 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,008 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,672 |
| All Country Flags of the World | 0 | - | 5.00 | 3,716,980 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,494 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,586 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,353 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,556 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,419 |
| Play-Doh People from History | 0 | - | 4.99 | 95,623 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,650 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,043 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,103 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,693 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,157 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,492 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,487 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,636 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,279 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,110 |
| Flags with Crescents | 0 | - | 4.98 | 171,453 |
| Country Flag Trivia | 0 | - | 4.82 | 58,119 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,970 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,497 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,680 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,998 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,042 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,070 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,527 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,857 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,312 |
| National Football Team Logos | 0 | - | 4.85 | 181,984 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,820 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,951 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,024 |
| Years in History by Picture | 0 | - | 4.45 | 35,863 |
| Where Are These Doors? | 0 | - | 4.45 | 30,240 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,465 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,348 |
| National Animals | 0 | - | 4.24 | 90,235 |
| Flags to Languages | 0 | - | 4.95 | 174,567 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,553 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,061 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,828 |
| Fruits by Picture | 0 | - | 4.19 | 809,536 |
| Old Movies by Picture | 0 | - | 4.51 | 25,277 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,321 |
| Name that Object #1 | 0 | - | 3.57 | 96,641 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,113 |
| Geography by Picture - B | 0 | - | 4.42 | 55,788 |
| Geography by Picture - H | 0 | - | 4.50 | 58,390 |
| Geography by Picture - N | 0 | - | 4.45 | 42,355 |
| Geography by Picture - R | 0 | - | 4.56 | 41,159 |
| Geography by Picture - T | 0 | - | 4.54 | 58,012 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,495 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,421 |
| Random Logos Quiz | 0 | - | 4.33 | 209,745 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,476 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,666 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,293 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,280 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,820 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,028 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,782 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,357 |
| Animals in World History | 0 | - | 4.74 | 44,684 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,871 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,524 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,292 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,992 |
| Elements by Picture | 0 | - | 4.27 | 70,336 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,520 |
| Islands by Picture | 0 | - | 4.28 | 107,837 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,463 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,717 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,574 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,228 |
| International Footballers by Picture | 0 | - | 4.51 | 56,474 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,603 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,049 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,451 |
| Geography by Picture - A | 0 | - | 4.39 | 60,446 |
| Geography by Picture - D | 0 | - | 4.15 | 45,793 |
| Geography by Picture - F | 0 | - | 4.31 | 51,191 |
| Geography by Picture - G | 0 | - | 4.39 | 48,089 |
| Geography by Picture - J | 0 | - | 4.16 | 38,604 |
| Geography by Picture - K | 0 | - | 4.29 | 33,257 |
| Geography by Picture - C | 0 | - | 4.31 | 57,244 |
| Geography by Picture - L | 0 | - | 4.37 | 59,150 |
| Geography by Picture - M | 0 | - | 4.14 | 40,592 |
| Geography by Picture - P | 0 | - | 4.24 | 42,577 |
| Geography by Picture - S | 0 | - | 4.38 | 47,191 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,172 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,493 |
| Flag Maths | 0 | - | 4.61 | 57,854 |
| Satellite Images #1 | 0 | - | 4.46 | 130,020 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,714 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,412 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,811 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,261 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,237 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,605 |
| Soccer Team Logos | 0 | - | 4.26 | 377,844 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,352 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,027 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,137 |
| Movie Logos | 0 | - | 4.33 | 240,529 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,232 |
| History by Picture - A | 0 | - | 4.26 | 46,175 |
| History by Picture - B | 0 | - | 4.40 | 49,374 |
| History by Picture - C | 0 | - | 4.33 | 54,909 |
| History by Picture - F | 0 | - | 4.35 | 38,215 |
| History by Picture - G | 0 | - | 4.40 | 42,459 |
| History by Picture - D | 0 | - | 4.29 | 44,678 |
| History by Picture - E | 0 | - | 4.25 | 44,259 |
| History by Picture - H | 0 | - | 4.37 | 37,106 |
| History by Picture - K | 0 | - | 4.35 | 33,639 |
| History by Picture - M | 0 | - | 4.17 | 36,416 |
| History by Picture - N | 0 | - | 4.40 | 41,551 |
| History by Picture - O | 0 | - | 4.39 | 36,571 |
| History by Picture - T | 0 | - | 4.20 | 33,558 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,817 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,142 |
| Animal Adjectives | 0 | - | 4.77 | 60,211 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,831 |
| African Great Lakes | 0 | - | 4.82 | 67,008 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,848 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,887 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,828 |
| Flowers by Picture | 0 | - | 4.46 | 105,874 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,958 |
| Name that Object #2 | 0 | - | 3.63 | 15,534 |
| Authors by Picture | 0 | - | 4.48 | 25,638 |
| Name that Object #3 | 0 | - | 3.93 | 14,472 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,985 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,327 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,189 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,415 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,529 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,335 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,819 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,791 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,696 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,388 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,149 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,796 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,857 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,127 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,364 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 245,137 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,610 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,497 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,117 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,449 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,654 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,593 |
| Emoji Flags | 0 | - | 4.35 | 44,298 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,774 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,243 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,700 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,667 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,014 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,303 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,934 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,829 |
