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Drop Planets is a merge puzzle with a space paint job, and it is one of the highest-rated games we have added. You hold a small planet above a container, choose where to let it fall, and if it lands on a planet of the same kind the two fuse into the next size up. The pile grows, the danger line at the top gets closer, and the round ends when something crosses it. Rounds are short. Chains of three or four merges in a row are the reason people keep pressing retry.
It is a lightweight HTML5 game, loads instantly and has no accounts or unlocks. Everything is available from the first drop. That simplicity is a large part of why it scores so well with players: there is nothing between you and the puzzle.
How to Play Drop Planets
On a keyboard, the left and right arrows move the drop position and Space releases the planet. R restarts and P pauses. On a phone, hold your finger down to aim, slide left or right, and let go to drop. Planets are physical objects: they roll, settle and push each other, so where a planet ends up is not always exactly where you dropped it.
The next planet is shown in a small preview beside the container. Use it. Knowing what is coming changes where the current planet should go far more often than new players expect.
The Merge Order
Planets come in a fixed sequence of sizes, from a small rocky body up through larger worlds to gas giants and finally a sun. Two of the same kind touching produce the next one in the sequence. Only the smallest few sizes are ever dropped; everything above that has to be made. A single sun therefore represents a long chain of successful merges, and building one is the closest thing the game has to a final goal.
Keep Big Planets Low
The single most important habit is building the pile with large planets at the bottom and small ones on top. Big worlds on top block every merge beneath them and take up the most room near the danger line. If a large planet ends up high, spend a few drops making merges around it so it can sink.
A good pile looks like a rough pyramid: the biggest bodies in the centre of the base, medium ones around them, small ones scattered on top where they can be merged quickly. A bad pile has a large planet balanced on top of small ones, which locks everything underneath it.
Use the Walls
Dropping against the side of the container gives you a predictable landing. Dropping into the middle of a bumpy pile does not. When the pile is uneven, aim for the edges and let the planets roll towards the centre, then use the flatter surface that creates.
Walls also stop bounces. A planet dropped from height onto a sloped surface can bounce sideways further than you intended; against a wall it has nowhere to go but down.
Drop Planets Tips
Look at the next planet in the hand before deciding where the current one goes. Two planets of the same kind arriving in a row is a free merge if you have left space next to the first one.
Chains are worth planning for. If a merge will create a planet that touches another matching one, you get a second merge immediately, and sometimes a third. Setting these up deliberately is where the high scores come from.
Do not panic near the line. A drop that merges will lower the pile; a rushed drop that does not will end the round. Take the extra second.
Small planets are your flexible pieces. They fit into gaps, they merge quickly, and they can be used to nudge a stuck larger planet into position. Do not treat them as clutter.
If the preview shows a planet you have no good spot for, drop it somewhere it will do the least harm rather than forcing a bad merge. Often the next drop after that opens up a better option.
Scoring
Bigger merges are worth far more than small ones, and the rare planets that appear once your galaxy has expanded are worth the most. A round with a few large fusions usually beats a longer round made of small ones, so play for the big merges rather than for survival alone.
That said, survival and score are linked. A tidy pile that lasts a long time will produce big merges naturally, because the large planets have time to find each other at the bottom. The scores that stand out are the ones where the pile stayed organised for a long time and then paid off in two or three enormous merges near the end.
When the Pile Goes Wrong
Every pile eventually gets messy. When it does, stop trying to build and start trying to clear. Look for the merge that removes the most planets from the top layer, even if it is small, and take it. Two or three clearing merges in a row usually reveal a large pair underneath that had been blocked, and the merge that follows is what saves the round.
A Simple Opening That Holds Up
For the first ten or so drops, put small planets against the left wall and slightly larger ones against the right, merging whenever two match. This builds two tidy columns with a gap between them. Use the gap for whatever the preview throws at you that does not fit either side. By the time the columns meet in the middle you will have a flat, sorted base with the larger planets low, and the rest of the round is about maintaining that shape rather than creating it.
The opening fails if you start dropping into the middle early. The middle of an empty container is where planets bounce most, and a bounce in the first few drops sets the tone for a messy pile. Walls first, middle later.
Reading the Physics
Heavier planets push lighter ones aside when they land. This can be used: dropping a medium planet next to a small one that is stuck in a bad spot will often shove the small one into a gap where it can be merged. It can also hurt: a large planet dropped onto a loose top layer can scatter it and undo two or three drops of careful work. Before a big drop, check whether the landing area is settled.
Desktop Versus Mobile
On a keyboard the arrow keys give you fine control over position and Space gives a clean release. On a phone, the hold-and-slide control is slightly less precise, but the portrait screen suits the tall container perfectly and the game was clearly designed with touch in mind. Both are good; the phone version is the one most people end up playing.
Why It Belongs Here
Solar Smash is about breaking planets apart. Drop Planets is about putting them together, one fusion at a time, until you have built a sun. The two make a good pair, and this one is the better choice when you have five minutes rather than fifteen.
Drop Planets FAQ
What is the biggest planet?
The final merge creates a sun-sized body. Reaching it takes a very tidy pile and is a good long-term goal.
Is it the same as the fruit merge game?
The rules are close, but the planets have different sizes and weights, so the pile behaves differently and the strategies are not identical.
Portrait or landscape?
Portrait. On a desktop the game sits in a tall frame with space either side, which is normal.
Does the game save my best score?
It keeps a best score for the session. Closing the tab clears it, so take a screenshot if you want to remember a good one.
Is there a time limit?
No. The only way a round ends is a planet crossing the danger line. Take as long as you like over each drop.
Desktop: left/right arrows to aim, Space to drop, R to retry, P to pause. Mobile: hold and slide to aim, release to drop.