Here you will get Walkthrough and Solution for Block Out Level 421. 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 421
Step by Step Guide
- Step 1: Move the tall purple block down through the right lane into the green exit to reduce the main outer counter.
- Step 2: Send the red blocks through the left exit to break down the secondary numbered lock.
- Step 3: Guide the yellow and purple L-shaped blocks through the top-center exits to open up the middle area.
- Step 4: Finish by sending the remaining blue blocks through their matching side exits.

Video Walkthrough
Well done! You’ve completed Block Out Level 421. Click here to unlock and start the next level 422.