These are the updated answers to Wordbrain Bigfoot Level as of January 2019.
Wordbrain Bigfoot Level – 1 – Justify, Spring, Smooth, Cabinet, Civilian, Accuse, Choose, Adequate, Preference
Wordbrain Bigfoot Level – 2 – Positive, Strong, Weakness, Auction, Studio, Strongly, Frequent, During, Triumph
Wordbrain Bigfoot Level – 3 – Profile, Proposal, Remove, Cinema, Simple, Episode, Medium, Deputy, Contemporary
Wordbrain Bigfoot Level – 4 – Campaign, Minute, Quantity, Hardly, Strain, Billion, Powder, League, Instruction
Wordbrain Bigfoot Level – 5 – Garlic, Manage, Period, Thought, Clause, Emotion, Little, Swimming, Distribution
Wordbrain Bigfoot Level – 6 – Running, Stream, Heading, Throat, Barrel, Twenty, Habitat, Latter, Clothes, Assume
Wordbrain Bigfoot Level – 7 – Junction, Airport, Health, Second, Funding, Reveal, Duration, Detail, University
Wordbrain Bigfoot Level – 8 – Country, Person, Survivor, Outside, Auditor, Teaching, Darkness, Surely, Science
Wordbrain Bigfoot Level – 9 – Dealer, Pretend, Soccer, Suppose, Couple, Whisper, Organism, Progress, Continued
Wordbrain Bigfoot Level – 10 – Convert, Properly, Divorce, Mainly, Promote, Location, Counter, Surgery, Silence
Wordbrain Bigfoot Level – 11 – Nursery, Crystal, Several, Account, Clothing, Wedding, Casualty, Network, Mirror
Wordbrain Bigfoot Level – 12 – Mountain, Improve, Occasion, Darling, Spirit, Fighter, Trading, Colony, Dialogue
Wordbrain Bigfoot Level – 13 – Existing, Ground, Demand, Correct, Attach, Kitchen, Insist, Trader, Significance
Wordbrain Bigfoot Level – 14 – Creditor, Respect, Regional, Income, Another, Fraction, Accept, Shelter, Healthy
Wordbrain Bigfoot Level – 15 – Machine, Friendly, District, Ancient, Timber, Battle, Fitness, Release, Southern
Wordbrain Bigfoot Level – 16 – Chemical, Explain, Relation, Behind, Enhance, Merchant, Organize, Surprisingly
Wordbrain Bigfoot Level – 17 – Congress, Muscle, Creative, Continue, Planet, Ethics, Always, Province, Indicate
Wordbrain Bigfoot Level – 18 – Offense, Sandwich, Useful, Exposure, Council, Speaker, Shortage, Generate, Might
Wordbrain Bigfoot Level – 19 – Routine, Stranger, Whether, Changing, United, Emission, Missile, Locate, Plastic
Wordbrain Bigfoot Level – 20 – Medical, Welfare, Persuade, Priest, Finding, Virtue, School, Cousin, Complicated

Here are the answers to Bigfoot Level Pack.

Wordbrain Bigfoot 1(RTENEEEE)
Hints – First Word first letter starting with J Ending with Y (7 Letter Word).
Second Word First letter Starting with S Ending with G (6 Letter Word).
Third Word First letter starting with S Ending with H (6 Letter Word).
Fourth Word First letter starting with C Ending with N (8 Letter Word).
Fifth Word First letter starting with A Ending with E (6 Letter Word).
Sixth Word First letter starting with P Ending with E (10 Letter Word).
Seventh Word First letter starting with C Ending with T (7 Letter Word).
Eighth Word First letter starting with A Ending with E (8 Letter Word).
Nineth Word First letter starting with C Ending with E (6 Letter Word).
Wordbrain Bigfoot 2(NONTOLTH)
Hints – First Word first letter starting with P Ending with E (8 Letter Word).
Second Word First letter Starting with S Ending with G (6 Letter Word).
Third Word First letter starting with W Ending with S (8 Letter Word).
Fourth Word First letter starting with A Ending with N (7 Letter Word).
Fifth Word First letter starting with F Ending with T (8 Letter Word).
Sixth Word First letter starting with S Ending with O (6 Letter Word).
Seventh Word First letter starting with S Ending with Y (8 Letter Word).
Eighth Word First letter starting with D Ending with G (6 Letter Word).
Nineth Word First letter starting with T Ending with H (7 Letter Word).
Wordbrain Bigfoot 3(COYRALTD)
Hints – First Word first letter starting with P Ending with L (8 Letter Word).
Second Word First letter Starting with P Ending with E (7 Letter Word).
Third Word First letter starting with R Ending with E (6 Letter Word).
Fourth Word First letter starting with C Ending with A (6 Letter Word).
Fifth Word First letter starting with S Ending with E (6 Letter Word).
Sixth Word First letter starting with E Ending with E (7 Letter Word).
Seventh Word First letter starting with D Ending with Y (6 Letter Word).
Eighth Word First letter starting with M Ending with M (6 Letter Word).
Nineth Word First letter starting with C Ending with Y (12 Letter Word).
Wordbrain Bigfoot 4(RNYEINLL)
Hints – First Word first letter starting with Q Ending with Y (8 Letter Word).
Second Word First letter Starting with C Ending with N (8 Letter Word).
Third Word First letter starting with M Ending with E (6 Letter Word).
Fourth Word First letter starting with H Ending with Y (6 Letter Word).
Fifth Word First letter starting with S Ending with N (6 Letter Word).
Sixth Word First letter starting with B Ending with N (7 Letter Word).
Seventh Word First letter starting with L Ending with E (6 Letter Word).
Eighth Word First letter starting with P Ending with R (6 Letter Word).
Nineth Word First letter starting with I Ending with N (11 Letter Word).
Wordbrain Bigfoot 5(HHBGOILA)
Hints – First Word first letter starting with P Ending with D (6 Letter Word).
Second Word First letter Starting with G Ending with C (6 Letter Word).
Third Word First letter starting with M Ending with E (6 Letter Word).
Fourth Word First letter starting with T Ending with T (7 Letter Word).
Fifth Word First letter starting with C Ending with E (6 Letter Word).
Sixth Word First letter starting with E Ending with N (7 Letter Word).
Seventh Word First letter starting with L Ending with E (6 Letter Word).
Eighth Word First letter starting with S Ending with G (8 Letter Word).
Nineth Word First letter starting with D Ending with N (12 Letter Word).
Wordbrain Bigfoot 6(ESTTHYNT)
Hints – First Word first letter starting with S Ending with M (6 Letter Word).
Second Word First letter Starting with R Ending with G (7 Letter Word).
Third Word First letter starting with H Ending with G (7 Letter Word).
Fourth Word First letter starting with T Ending with T (6 Letter Word).
Fifth Word First letter starting with T Ending with Y (6 Letter Word).
Sixth Word First letter starting with H Ending with T (7 Letter Word).
Seventh Word First letter starting with L Ending with R (6 Letter Word).
Eighth Word First letter starting with C Ending with S (7 Letter Word).
Nineth Word First letter starting with A Ending with E (6 Letter Word).
Tenth Word First letter starting with B Ending with L (6 Letter Word).
Wordbrain Bigfoot 7(NORTLNIY)
Hints – First Word first letter starting with J Ending with N (8 Letter Word).
Second Word First letter Starting with A Ending with T (7 Letter Word).
Third Word First letter starting with H Ending with H (6 Letter Word).
Fourth Word First letter starting with S Ending with D (6 Letter Word).
Fifth Word First letter starting with F Ending with G (7 Letter Word).
Sixth Word First letter starting with R Ending with L (6 Letter Word).
Seventh Word First letter starting with D Ending with N (8 Letter Word).
Eighth Word First letter starting with D Ending with L (6 Letter Word).
Nineth Word First letter starting with U Ending with Y (10 Letter Word).
Wordbrain Bigfoot 8(RSSCGERY)
Hints – First Word first letter starting with C Ending with Y (7 Letter Word).
Second Word First letter Starting with P Ending with N (6 Letter Word).
Third Word First letter starting with S Ending with R (8 Letter Word).
Fourth Word First letter starting with O Ending with E (7 Letter Word).
Fifth Word First letter starting with A Ending with R (7 Letter Word).
Sixth Word First letter starting with T Ending with G (8 Letter Word).
Seventh Word First letter starting with D Ending with S (8 Letter Word).
Eighth Word First letter starting with S Ending with Y (6 Letter Word).
Nineth Word First letter starting with S Ending with E (7 Letter Word).
Wordbrain Bigfoot 9(EIOCSUDR)
Hints – First Word first letter starting with D Ending with R (6 Letter Word).
Second Word First letter Starting with S Ending with R (6 Letter Word).
Third Word First letter starting with P Ending with D (7 Letter Word).
Fourth Word First letter starting with S Ending with E (7 Letter Word).
Fifth Word First letter starting with C Ending with E (6 Letter Word).
Sixth Word First letter starting with W Ending with R (7 Letter Word).
Seventh Word First letter starting with O Ending with M (8 Letter Word).
Eighth Word First letter starting with P Ending with S (8 Letter Word).
Nineth Word First letter starting with C Ending with D (9 Letter Word).
Wordbrain Bigfoot 10(YNEYTNET)
Hints – First Word first letter starting with C Ending with T (7 Letter Word).
Second Word First letter Starting with P Ending with Y (8 Letter Word).
Third Word First letter starting with D Ending with E (7 Letter Word).
Fourth Word First letter starting with M Ending with Y (6 Letter Word).
Fifth Word First letter starting with P Ending with E (7 Letter Word).
Sixth Word First letter starting with L Ending with N (8 Letter Word).
Seventh Word First letter starting with C Ending with R (7 Letter Word).
Eighth Word First letter starting with S Ending with Y (7 Letter Word).
Nineth Word First letter starting with S Ending with E (7 Letter Word).
Wordbrain Bigfoot 11(ACULGIRR)
Hints – First Word first letter starting with N Ending with Y (7 Letter Word).
Second Word First letter Starting with C Ending with L (7 Letter Word).
Third Word First letter starting with S Ending with L (7 Letter Word).
Fourth Word First letter starting with A Ending with T (7 Letter Word).
Fifth Word First letter starting with C Ending with G (8 Letter Word).
Sixth Word First letter starting with W Ending with G (7 Letter Word).
Seventh Word First letter starting with C Ending with Y (8 Letter Word).
Eighth Word First letter starting with N Ending with K (7 Letter Word).
Nineth Word First letter starting with M Ending with R (6 Letter Word).
Wordbrain Bigfoot 12(ELTDRTGR)
Hints – First Word first letter starting with I Ending with E (7 Letter Word).
Second Word First letter Starting with M Ending with N (8 Letter Word).
Third Word First letter starting with O Ending with N (8 Letter Word).
Fourth Word First letter starting with D Ending with G (7 Letter Word).
Fifth Word First letter starting with F Ending with R (7 Letter Word).
Sixth Word First letter starting with T Ending with G (7 Letter Word).
Seventh Word First letter starting with S Ending with T (6 Letter Word).
Eighth Word First letter starting with D Ending with E (8 Letter Word).
Nineth Word First letter starting with C Ending with Y (6 Letter Word).
Wordbrain Bigfoot 13(EFINRIIA)
Hints – First Word first letter starting with G Ending with D (6 Letter Word).
Second Word First letter Starting with E Ending with G (8 Letter Word).
Third Word First letter starting with D Ending with D (6 Letter Word).
Fourth Word First letter starting with C Ending with T (7 Letter Word).
Fifth Word First letter starting with A Ending with H (6 Letter Word).
Sixth Word First letter starting with K Ending with N (7 Letter Word).
Seventh Word First letter starting with I Ending with T (6 Letter Word).
Eighth Word First letter starting with T Ending with R (6 Letter Word).
Nineth Word First letter starting with S Ending with E (12 Letter Word).
Wordbrain Bigfoot 14(LNTTHEYC)
Hints – First Word first letter starting with R Ending with T (7 Letter Word).
Second Word First letter Starting with R Ending with L (8 Letter Word).
Third Word First letter starting with I Ending with E (6 Letter Word).
Fourth Word First letter starting with A Ending with R (7 Letter Word).
Fifth Word First letter starting with F Ending with N (8 Letter Word).
Sixth Word First letter starting with C Ending with R (8 Letter Word).
Seventh Word First letter starting with A Ending with T (6 Letter Word).
Eighth Word First letter starting with S Ending with R (7 Letter Word).
Nineth Word First letter starting with H Ending with Y (7 Letter Word).
Wordbrain Bigfoot 15(SLENREIF)
Hints – First Word first letter starting with M Ending with E (7 Letter Word).
Second Word First letter Starting with F Ending with Y (8 Letter Word).
Third Word First letter starting with D Ending with T (8 Letter Word).
Fourth Word First letter starting with A Ending with T (7 Letter Word).
Fifth Word First letter starting with B Ending with E (6 Letter Word).
Sixth Word First letter starting with F Ending with S (7 Letter Word).
Seventh Word First letter starting with T Ending with R (6 Letter Word).
Eighth Word First letter starting with R Ending with E (7 Letter Word).
Nineth Word First letter starting with S Ending with N (8 Letter Word).
Wordbrain Bigfoot 16(SRYENIEC)
Hints – First Word first letter starting with C Ending with L (8 Letter Word).
Second Word First letter Starting with E Ending with N (7 Letter Word).
Third Word First letter starting with R Ending with N (8 Letter Word).
Fourth Word First letter starting with B Ending with D (6 Letter Word).
Fifth Word First letter starting with E Ending with E (7 Letter Word).
Sixth Word First letter starting with M Ending with T (8 Letter Word).
Seventh Word First letter starting with O Ending with E (8 Letter Word).
Eighth Word First letter starting with S Ending with Y (12 Letter Word).
Wordbrain Bigfoot 17(ITEIETYS)
Hints – First Word first letter starting with M Ending with E (6 Letter Word).
Second Word First letter Starting with C Ending with S (8 Letter Word).
Third Word First letter starting with C Ending with E (8 Letter Word).
Fourth Word First letter starting with C Ending with E (8 Letter Word).
Fifth Word First letter starting with P Ending with T (6 Letter Word).
Sixth Word First letter starting with E Ending with S (6 Letter Word).
Seventh Word First letter starting with A Ending with S (6 Letter Word).
Eighth Word First letter starting with P Ending with E (8 Letter Word).
Nineth Word First letter starting with I Ending with E (8 Letter Word).
Wordbrain Bigfoot 18(TEEUEILT)
Hints – First Word first letter starting with O Ending with E (7 Letter Word).
Second Word First letter Starting with S Ending with H (8 Letter Word).
Third Word First letter starting with U Ending with L (6 Letter Word).
Fourth Word First letter starting with E Ending with E (8 Letter Word).
Fifth Word First letter starting with C Ending with L (7 Letter Word).
Sixth Word First letter starting with S Ending with R (7 Letter Word).
Seventh Word First letter starting with S Ending with E (8 Letter Word).
Eighth Word First letter starting with G Ending with E (8 Letter Word).
Nineth Word First letter starting with M Ending with T (5 Letter Word).
Wordbrain Bigfoot 19(CELSIEUE)
Hints – First Word first letter starting with R Ending with E (7 Letter Word).
Second Word First letter Starting with S Ending with R (8 Letter Word).
Third Word First letter starting with W Ending with R (7 Letter Word).
Fourth Word First letter starting with C Ending with G (8 Letter Word).
Fifth Word First letter starting with U Ending with D (6 Letter Word).
Sixth Word First letter starting with E Ending with N (8 Letter Word).
Seventh Word First letter starting with M Ending with E (7 Letter Word).
Eighth Word First letter starting with L Ending with E (6 Letter Word).
Nineth Word First letter starting with P Ending with C (7 Letter Word).
Wordbrain Bigfoot 20(DANCOPST)
Hints – First Word first letter starting with M Ending with L (7 Letter Word).
Second Word First letter Starting with W Ending with E (7 Letter Word).
Third Word First letter starting with P Ending with E (8 Letter Word).
Fourth Word First letter starting with P Ending with T (6 Letter Word).
Fifth Word First letter starting with F Ending with G (7 Letter Word).
Sixth Word First letter starting with V Ending with E (6 Letter Word).
Seventh Word First letter starting with S Ending with L (6 Letter Word).
Eighth Word First letter starting with C Ending with N (6 Letter Word).
Nineth Word First letter starting with C Ending with D (11 Letter Word).
You can find the video walkthrough for Wordbrain Bigfoot level 1 to 20 here

The solutions to the puzzles were last updated on April 5, 2019