| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,831 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,568 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,230 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,912 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,095 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,074 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,101 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,761 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,894 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,856 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,936 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,836 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,977 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,588 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,595 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,304 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,411 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,396 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,385 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,391 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,286 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,020 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,477 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,471 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,615 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,599 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,770 |
| Name that Bug | 0 | - | 4.12 | 45,448 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,519 |
| Empires by Maps | 0 | - | 4.98 | 118,456 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,415 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,444 |
| Animals of Australia | 0 | - | 4.52 | 42,148 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,630 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,621 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| All Country Flags of the World | 0 | - | 5.00 | 3,601,176 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,204 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,973 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,252 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,991 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,225 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,747 |
| Play-Doh People from History | 0 | - | 4.99 | 93,841 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,301 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,729 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,879 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,493 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,023 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,171 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,310 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,598 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,664 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,798 |
| Flags with Crescents | 0 | - | 4.98 | 167,531 |
| Country Flag Trivia | 0 | - | 4.81 | 55,916 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,396 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,439 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,891 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,451 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,370 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,017 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,535 |
| National Football Team Logos | 0 | - | 4.84 | 178,638 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,606 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,690 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,672 |
| Years in History by Picture | 0 | - | 4.44 | 35,100 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,216 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,738 |
| National Animals | 0 | - | 4.24 | 89,144 |
| Flags to Languages | 0 | - | 4.95 | 172,467 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,235 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,151 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,200 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,256 |
| Fruits by Picture | 0 | - | 4.20 | 804,586 |
| Old Movies by Picture | 0 | - | 4.51 | 24,792 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,673 |
| Name that Object #1 | 0 | - | 3.56 | 96,301 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,477 |
| Geography by Picture - B | 0 | - | 4.42 | 55,407 |
| Geography by Picture - H | 0 | - | 4.49 | 58,040 |
| Geography by Picture - N | 0 | - | 4.45 | 42,045 |
| Geography by Picture - R | 0 | - | 4.55 | 40,876 |
| Geography by Picture - T | 0 | - | 4.54 | 57,673 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,422 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,955 |
| Random Logos Quiz | 0 | - | 4.32 | 206,995 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,247 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,122 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,719 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,612 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,302 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,521 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,257 |
| Animals in World History | 0 | - | 4.74 | 44,213 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,291 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,184 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,619 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,404 |
| Elements by Picture | 0 | - | 4.28 | 69,541 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,155 |
| Islands by Picture | 0 | - | 4.29 | 105,875 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,043 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,581 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,837 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,766 |
| International Footballers by Picture | 0 | - | 4.50 | 54,720 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,592 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,607 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,286 |
| Geography by Picture - A | 0 | - | 4.39 | 60,048 |
| Geography by Picture - D | 0 | - | 4.15 | 45,489 |
| Geography by Picture - F | 0 | - | 4.31 | 50,822 |
| Geography by Picture - G | 0 | - | 4.38 | 47,783 |
| Geography by Picture - J | 0 | - | 4.16 | 38,333 |
| Geography by Picture - K | 0 | - | 4.28 | 33,012 |
| Geography by Picture - C | 0 | - | 4.31 | 56,904 |
| Geography by Picture - L | 0 | - | 4.37 | 58,755 |
| Geography by Picture - M | 0 | - | 4.14 | 40,343 |
| Geography by Picture - P | 0 | - | 4.24 | 42,297 |
| Geography by Picture - S | 0 | - | 4.38 | 46,907 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,333 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,436 |
| Flag Maths | 0 | - | 4.78 | 57,674 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 129,002 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,979 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,646 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,566 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,645 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,804 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,350 |
| Soccer Team Logos | 0 | - | 4.26 | 370,750 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,401,622 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,168 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,205 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,626 |
| Movie Logos | 0 | - | 4.33 | 235,833 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,751 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,177 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,235 |
| History by Picture - A | 0 | - | 4.25 | 45,455 |
| History by Picture - B | 0 | - | 4.40 | 48,572 |
| History by Picture - C | 0 | - | 4.36 | 54,074 |
| History by Picture - F | 0 | - | 4.35 | 37,575 |
| History by Picture - G | 0 | - | 4.40 | 41,841 |
| History by Picture - D | 0 | - | 4.29 | 44,000 |
| History by Picture - E | 0 | - | 4.27 | 43,620 |
| History by Picture - H | 0 | - | 4.37 | 36,535 |
| History by Picture - K | 0 | - | 4.35 | 33,097 |
| History by Picture - M | 0 | - | 4.17 | 35,905 |
| History by Picture - N | 0 | - | 4.40 | 40,988 |
| History by Picture - O | 0 | - | 4.39 | 36,032 |
| History by Picture - T | 0 | - | 4.20 | 33,091 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,838 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,615 |
| Animal Adjectives | 0 | - | 4.77 | 59,824 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,508 |
| African Great Lakes | 0 | - | 4.82 | 65,144 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,458 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,643 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,892 |
| Flowers by Picture | 0 | - | 4.46 | 105,003 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,527 |
| Name that Object #2 | 0 | - | 3.64 | 15,322 |
| Authors by Picture | 0 | - | 4.48 | 25,391 |
| Name that Object #3 | 0 | - | 3.93 | 14,302 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,450 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,515 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,048 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,173 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,356 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,403 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,428 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,011 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,123 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,918 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,245 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,988 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,932 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,579 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,922 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,632 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,023 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,412 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,106 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,280 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,040 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,320 |
| Emoji Flags | 0 | - | 4.35 | 43,810 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,879 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,466 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,132 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,236 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,734 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,086 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,670 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,979 |
