Here you will get Walkthrough and Solution for Block Out Level 21. In this puzzle developed by Grand Game A.S. If you’re tired of the same old puzzle games, you need to check out Block Out!. It takes the classic block-sliding mechanic and throws in moving elevators and active block generators to completely change the game. Every level feels brand new. It’s all about quick thinking, smart moves, and that awesome feeling of a perfect clear. Trust us, you won’t want to put this one down.
Block Out! – Color Sort Puzzle Level 21
Step by Step Guide
- Step 1: Study the board for hidden matching colors underneath the top layer.
- Step 2: Shift the upper blocks to reveal the pieces you need.
- Step 3: Build one complete color stack before moving to the next.
- Step 4: Sort the remaining blocks to finish the puzzle.

Video Walkthrough
Well done! You’ve completed Block Out Level 21. Click here to unlock and start the next level 22.