| International Scientific Units | 0 | - | 4.95 | 156,773 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,751 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,241,599 |
| Elements by Symbol | 0 | - | 4.92 | 197,179 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,646 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,200 |
| Noble Gases | 0 | - | 4.89 | 78,138 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,558 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,173 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,632 |
| Name the Virus | 0 | - | 4.87 | 76,732 |
| Major Taxonomic Ranks | 0 | - | 4.55 | 80,528 |
| Famous Scientists | 0 | - | 4.57 | 42,637 |
| Scientific Names | 0 | - | 4.32 | 78,444 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,963 |
| Elemental Words | 0 | - | 4.96 | 52,279 |
| Metals of Antiquity | 0 | - | 4.95 | 93,418 |
| Famous Effects | 0 | - | 4.62 | 12,488 |
| Click to Translate - Latin | 0 | - | 4.97 | 43,909 |
| Famous Painting to Artist Click Quiz | 0 | - | 4.93 | 43,630 |
| Click Chain #1 | 0 | - | 4.97 | 109,033 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,534 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,997 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,710 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,501 |
| Body Part Cliches | 0 | - | 4.43 | 123,291 |
| Bones of the Human Body | 0 | - | 4.52 | 42,365 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,143 |
| Click the Correct Continent | 0 | - | 4.44 | 101,505 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,112 |
| Random Symbol to Element | 0 | - | 4.88 | 93,027 |
| Astronomy Quiz | 0 | - | 4.90 | 82,551 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,181 |
| Solar System Trivia | 0 | - | 4.93 | 46,628 |
| Click the Planet | 0 | - | 4.96 | 91,346 |
| Movie Picture Click - Steven Spielberg | 0 | - | 4.94 | 53,330 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,542 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 12,167 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,564 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,600 |
| Environmental Issues | 0 | - | 4.54 | 26,829 |
| Movie Ratings Click Quiz #1 | 0 | - | 4.56 | 28,123 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,924 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,270 |
| Science General Knowledge #1 | 0 | - | 4.54 | 165,937 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,777 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,618 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,636 |
| Word Chain - Science | 0 | - | 4.59 | 54,867 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,692 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,804 |
| Click the Chemical Element | 0 | - | 4.96 | 80,365 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,097,148 |
| Correctly Spelled or Not? Click Quiz #1 | 0 | - | 4.57 | 49,617 |
| Word Addition Click Quiz #2 | 0 | - | 4.53 | 34,996 |
| Word Addition Click Quiz #3 | 0 | - | 4.58 | 37,357 |
| Click the Synonym | 0 | - | 4.55 | 42,661 |
| Click Chain #3 | 0 | - | 4.43 | 51,907 |
| Click the Correct John | 0 | - | 4.55 | 33,435 |
| The Logical Elimination Click Quiz | 0 | - | 4.70 | 73,769 |
| Click Chain #2 | 0 | - | 4.56 | 65,709 |
| Movie Decades Click Quiz #1 | 0 | - | 4.78 | 48,538 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,917 |
| The Sun Quiz | 0 | - | 4.93 | 34,659 |
| First Names of Scientists | 0 | - | 4.50 | 56,838 |
| Groups of Two - Science | 0 | - | 4.26 | 48,313 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,824 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,978 |
| Science Decoder | 0 | - | 4.52 | 28,763 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,311 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,277 |
| Science True or False | 0 | - | 4.35 | 40,284 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,014 |
| Elements by Picture | 0 | - | 4.27 | 69,929 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,870 |
| Name a Valid Element | 0 | - | 4.64 | 70,021 |
| Medical Acronyms | 0 | - | 4.43 | 96,822 |
| Medical Vocabulary | 0 | - | 4.54 | 59,083 |
| Correctly Spelled or Not? Click Quiz #2 | 0 | - | 4.34 | 44,436 |
| Click the Correct Michael | 0 | - | 4.58 | 27,807 |
| Logical Elimination Click Quiz: Numbers | 0 | - | 4.24 | 71,670 |
| Movie Decades Click Quiz #3 | 0 | - | 4.68 | 27,038 |
| Birthstones by Month | 0 | - | 4.42 | 80,674 |
| Citrus Fruits | 0 | - | 3.63 | 42,070 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,123 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,387 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,725 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,822 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,194 |
| Element... or Pokémon? | 0 | - | 4.98 | 131,673 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,293 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,808 |
| Body Part Words | 0 | - | 4.43 | 145,936 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,816 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,320 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,576 |
| Human Body A-Z | 0 | - | 4.51 | 129,153 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,154 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,241 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,652 |
| Medical Specialties | 0 | - | 4.32 | 91,759 |
| The Diseases They Had | 0 | - | 4.15 | 14,005 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,733 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,798 |
| Movie Decades Click Quiz #4 | 0 | - | 4.39 | 23,328 |
| The Pluto Quiz | 0 | - | 4.61 | 9,847 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,481 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,681 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,665 |
| Astronomy Decoder | 0 | - | 4.49 | 38,043 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,457 |
| The Mars Quiz | 0 | - | 4.55 | 18,659 |
| The Saturn Quiz | 0 | - | 4.54 | 11,554 |
| Planets - Multiple Choice | 0 | - | 4.39 | 53,561 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,968 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 225,664 |
| Name the Constellations | 0 | - | 4.58 | 44,960 |
| Astronomy True or False | 0 | - | 4.39 | 36,462 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,672 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,329 |
| The Venus Quiz | 0 | - | 4.21 | 6,922 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,276 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,385 |
| Elements Named for Countries | 0 | - | 4.53 | 24,684 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,707 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,470 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,478 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,439 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,267 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,350 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,709 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,152 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,633 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,618 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,980 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,807 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,512 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,649 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,527 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,629 |
| Least-Forested Countries | 0 | - | 4.53 | 65,187 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,424 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,470 |
| Most Forested European Countries | 0 | - | 4.80 | 75,304 |
| Least Forested European Countries | 0 | - | 4.25 | 54,006 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,700 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,811 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,507 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,058 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,636 |
| Countries with Glaciers | 0 | - | 4.97 | 105,394 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,143 |
| To, Two, Too – Click Quiz | 0 | - | 4.53 | 40,296 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 61,739 |
| Word Addition Click Quiz #1 | 0 | - | 4.73 | 49,647 |
| Click the Disney Film by Song #1 | 0 | - | 4.59 | 65,141 |
| Click the Movie Title Ending #1 | 0 | - | 4.96 | 127,208 |
| Click the Movie Title Ending #2 | 0 | - | 4.77 | 89,733 |
| Click the Movie Title Ending #3 | 0 | - | 4.89 | 72,621 |
| Click the Movie Title Ending #4 | 0 | - | 4.66 | 57,072 |
| Click the Movie Title Ending #5 | 0 | - | 4.86 | 36,509 |
| Country to Population Click Quiz | 0 | - | 4.98 | 43,877 |
| Tourist Towns by U.S. State | 0 | - | 4.32 | 24,206 |
| Click to Translate - French | 0 | - | 4.93 | 92,289 |
| Click to Translate - German | 0 | - | 4.83 | 70,092 |
| Click to Translate - Dutch | 0 | - | 4.73 | 35,663 |
| Click to Translate - Italian | 0 | - | 4.89 | 53,655 |
| Click to Translate - Spanish | 0 | - | 4.90 | 95,162 |
| Click the 2022 World Cup Quarterfinalist | 0 | - | 4.24 | 40,430 |
| Click the Disney Film by Song #2 | 0 | - | 4.47 | 35,530 |
| Who's That Dictator - Click Quiz | 0 | - | 4.22 | 39,116 |
| Lie to Win - Click Quiz #1 | 0 | - | 4.93 | 115,170 |
| Click Fast to Save the USA | 0 | - | 3.59 | 99,092 |
| Logical Elimination Click Quiz: Countries #1 | 0 | - | 3.82 | 65,795 |
| Logical Elimination Click Quiz: Countries #2 | 0 | - | 4.11 | 52,819 |
| Click the Compass #1 | 0 | - | 4.95 | 58,187 |
| The Beatles Picture Click Quiz | 0 | - | 4.84 | 37,414 |
| Disney Movie Images - Click Quiz #1 | 0 | - | 4.84 | 118,534 |
| Lie to Win - Click Quiz #2 | 0 | - | 4.74 | 89,808 |
| Disney Movie Images - Click Quiz #2 | 0 | - | 4.62 | 61,066 |
| Click to Complete the Song Title - Animals #1 | 0 | - | 4.46 | 36,665 |
| Where Does It Grow? Click Quiz #1 | 0 | - | 4.77 | 58,246 |
| Movie Ratings Click Quiz #2 | 0 | - | 4.55 | 16,217 |
| Where Does It Grow? Click Quiz #2 | 0 | - | 4.77 | 29,007 |
| Birth States of U.S. Presidents - Click Quiz | 0 | - | 4.65 | 33,583 |
| Cars by Country | 0 | - | 4.91 | 93,247 |
| Click the Color, Not the Word | 0 | - | 4.70 | 78,083 |
| Click Timeline: Famous Buildings | 0 | - | 4.96 | 62,123 |
| Click Timeline: Famous U.S. Buildings | 0 | - | 4.60 | 30,318 |
| Click Timeline: Countries Independence | 0 | - | 4.92 | 62,137 |
| Click Timeline: Fictional Characters #1 | 0 | - | 4.98 | 82,958 |
| Click Timeline: Harry Potter and the Wizarding World | 0 | - | 4.37 | 51,939 |
| Click Timeline: Star Wars Movies | 0 | - | 4.93 | 91,902 |
| Movie Picture Click - James Bond | 0 | - | 4.68 | 22,845 |
| Pixar Movie Images - Click Quiz | 0 | - | 4.77 | 70,203 |
| Click Quiz: Roman to Greek Gods | 0 | - | 4.89 | 47,221 |
| Click the Month | 0 | - | 4.35 | 25,988 |
| Click to Assemble Country Flags #1 | 0 | - | 4.99 | 56,517 |
| Millions, Billions or Trillions? | 0 | - | 4.52 | 40,405 |
| Click to Assemble Country Flags #2 | 0 | - | 4.88 | 43,033 |
