| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,478 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,561 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,317 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,685 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,268 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,894 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,581 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,710 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,503 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,180 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,161 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,279 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,436 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,244 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,728 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,872 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,207 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,237 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,583 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,971 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,310 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,254 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,772 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,130 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,556 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,633 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,831 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,994 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,900 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,131 |
| Name that Bug | 0 | - | 4.12 | 45,573 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,916 |
| Empires by Maps | 0 | - | 4.98 | 120,649 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,610 |
| Animals of Australia | 0 | - | 4.52 | 42,339 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,359 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,892 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,594 |
| All Country Flags of the World | 0 | - | 5.00 | 3,669,781 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,390 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,356 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,312 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,301 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,304 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,463 |
| Play-Doh People from History | 0 | - | 4.99 | 94,885 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,115 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,454 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,604 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,243 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,662 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,105 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,374 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,757 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,055 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,577 |
| Flags with Crescents | 0 | - | 4.98 | 169,754 |
| Country Flag Trivia | 0 | - | 4.81 | 57,137 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,902 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,614 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,547 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,349 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,301 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,563 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,892 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,409 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,980 |
| National Football Team Logos | 0 | - | 4.85 | 180,506 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,855 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,759 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,837 |
| Years in History by Picture | 0 | - | 4.44 | 35,555 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,981 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,641 |
| National Animals | 0 | - | 4.24 | 89,708 |
| Flags to Languages | 0 | - | 4.95 | 173,732 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,019 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,598 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,581 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,189 |
| Fruits by Picture | 0 | - | 4.19 | 807,542 |
| Old Movies by Picture | 0 | - | 4.51 | 25,117 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,072 |
| Name that Object #1 | 0 | - | 3.57 | 96,514 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,779 |
| Geography by Picture - B | 0 | - | 4.42 | 55,636 |
| Geography by Picture - H | 0 | - | 4.50 | 58,257 |
| Geography by Picture - N | 0 | - | 4.45 | 42,223 |
| Geography by Picture - R | 0 | - | 4.56 | 41,047 |
| Geography by Picture - T | 0 | - | 4.54 | 57,873 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,071 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,613 |
| Random Logos Quiz | 0 | - | 4.31 | 208,567 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,262 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,465 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,079 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,027 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,625 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,843 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,305 |
| Animals in World History | 0 | - | 4.74 | 44,530 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,692 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,387 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,998 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,731 |
| Elements by Picture | 0 | - | 4.27 | 69,996 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,344 |
| Islands by Picture | 0 | - | 4.28 | 107,078 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,288 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,917 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,267 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,047 |
| International Footballers by Picture | 0 | - | 4.50 | 55,720 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,753 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,793 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,867 |
| Geography by Picture - A | 0 | - | 4.39 | 60,289 |
| Geography by Picture - D | 0 | - | 4.15 | 45,680 |
| Geography by Picture - F | 0 | - | 4.31 | 51,034 |
| Geography by Picture - G | 0 | - | 4.39 | 47,973 |
| Geography by Picture - J | 0 | - | 4.16 | 38,489 |
| Geography by Picture - K | 0 | - | 4.29 | 33,152 |
| Geography by Picture - C | 0 | - | 4.31 | 57,102 |
| Geography by Picture - L | 0 | - | 4.37 | 58,999 |
| Geography by Picture - M | 0 | - | 4.14 | 40,485 |
| Geography by Picture - P | 0 | - | 4.24 | 42,453 |
| Geography by Picture - S | 0 | - | 4.38 | 47,064 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,660 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,660 |
| Flag Maths | 0 | - | 4.64 | 57,769 |
| Satellite Images #1 | 0 | - | 4.47 | 129,414 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,338 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,948 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,704 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,959 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,009 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,062 |
| Soccer Team Logos | 0 | - | 4.26 | 374,869 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,424,709 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,198 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,133 |
| Movie Logos | 0 | - | 4.33 | 238,692 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,448 |
| History by Picture - A | 0 | - | 4.26 | 45,864 |
| History by Picture - B | 0 | - | 4.40 | 49,045 |
| History by Picture - C | 0 | - | 4.36 | 54,549 |
| History by Picture - F | 0 | - | 4.35 | 37,938 |
| History by Picture - G | 0 | - | 4.40 | 42,189 |
| History by Picture - D | 0 | - | 4.29 | 44,366 |
| History by Picture - E | 0 | - | 4.25 | 43,988 |
| History by Picture - H | 0 | - | 4.37 | 36,839 |
| History by Picture - K | 0 | - | 4.35 | 33,404 |
| History by Picture - M | 0 | - | 4.17 | 36,188 |
| History by Picture - N | 0 | - | 4.40 | 41,312 |
| History by Picture - O | 0 | - | 4.39 | 36,363 |
| History by Picture - T | 0 | - | 4.20 | 33,353 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,342 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,535 |
| Animal Adjectives | 0 | - | 4.77 | 60,032 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,700 |
| African Great Lakes | 0 | - | 4.82 | 66,304 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,373 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,424 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,040 |
| Flowers by Picture | 0 | - | 4.46 | 105,680 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,799 |
| Name that Object #2 | 0 | - | 3.64 | 15,457 |
| Authors by Picture | 0 | - | 4.48 | 25,544 |
| Name that Object #3 | 0 | - | 3.93 | 14,412 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,978 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,595 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,842 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,895 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,058 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,925 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,246 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,472 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,463 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,211 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,780 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,486 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,494 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,646 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,190 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,550 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,265 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,405 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,958 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,569 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,002 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,064 |
| Emoji Flags | 0 | - | 4.35 | 44,121 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,613 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,911 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,090 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,419 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,492 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,813 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,827 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,685 |
