Are the puzzles free?

Yes, all puzzle levels are completely free — no subscription or download required.

How many levels are there?

The number of levels varies by game. Many puzzle games include 20–100+ levels of increasing difficulty.

Can kids play 3D Physics Stacks?

Yes, puzzle games are suitable for all ages. The logic-based gameplay makes them great for kids and adults alike.

Some levels are timed, others are relaxed. Check the game's top bar — a clock icon means there's a time limit.

I'm stuck on a level — what should I do?

Most puzzle games include a hint button or a skip option after a few failed attempts. Take a break and return with fresh eyes if the hint doesn't help.

3D Physics Stacks

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3D Physics Stack is a fun min physics and educational game. Your goal is to stack the blocks on top of each other to create a highest stack possible. You can move a block left and right to adjust its position, try to beat your own score and playing time! Train your brain with satisfying puzzles that challenge logic, spatial thinking and pattern recognition — all playable for free, directly in your browser.