This is the last 10 level 100 doors underground walkthrough, did you feel that this level become difficult but still challenging because we still can solve this game until the last level, even though it takes more time to understand the clue, and now we share to you all the solution so you can complete this game until the last level.
Stage 21: you must imagine if this pyramid paper disassembled, then the answer same with preview above. key will appear above clock.
Stage 22: see the horizontal arrangement of animal and see diagonal color arrangement, so the answer is yellow T-rex with green background. key will appear near elephant.
Stage 23: tap blocks to make letter E. a key will appear above cabinet.
Stage 24: change right shape from top to bottom: triangle, pentagon, square, yellow. key will appear above sisha.
Stage 25: tap square from the smallest object color in the painting. key will appear above painting.
Stage 26: change color like an rainbow : red orange yellow green blue purple pink. key appear in the painting.
Stage 27: in this level you must match zodiac with zodiac symbol, we find this answer using Google images, and above is the right answer. key appear above head.
Stage 28: change musical notes number to 4, 6 2, 3 5, 9 2, 4 6. key appear above piano.
Stage 29: change arrow to red white green and blue. change arrow direction same with preview above. key will appear above clock.
Stage 30: this is the planet arrangement: mercury, venus, earth, mars, ceres, jupiter, saturn, uranus, neptune, pluto. key appear near telescope.
Done all level 100 doors underground complete, we can wait this game sequel i hope the developer will create more level in the new game sequel.