Bubble Trap is a free online arcade platformer for one player, built around the two-step kill: the bubble you blow does not destroy a monster, it contains one. The monster is stuck, the bubble drifts slowly upward carrying it, and none of it has scored a single point until you walk over and touch it. That gap between trapping and bursting is the whole game. A bubble left alone runs out after about five seconds and the monster comes back out angry — moving more than twice as fast, and immune to being trapped again for a while — so a trap you never collect is worse than not shooting at all. Bursting is where the points are, and they are lopsided on purpose: one bubble is a hundred, two touched in the same instant are five hundred between them, three are over two thousand. So the good run is not careful shooting, it is blowing four bubbles into a crowd, letting them drift together toward a ceiling, and then jumping into the middle of the cluster. Four hand-drawn floors, each one a different arrangement of platforms, three lives, and a clock on each floor so that keeping your distance and never bursting anything is not a way to survive. The whole thing is a fixed-step integer simulation, so a seed puts the same monsters on the same platforms every time.
How to play Bubble Trap
- Press Play. Arrow keys or A and D move you along the platforms; up or W jumps.
- Space, or the Bubble button, blows a bubble in the way you are facing. It flies sideways for a moment, then starts to drift upward.
- A bubble that reaches a monster traps it. The monster stops moving and rides the bubble up — but nothing has been scored yet.
- Walk or jump into a bubble to burst it. That is the kill, and that is when the points arrive.
- One bubble is a hundred points. Two burst in the same instant are worth five hundred between them, and three are worth over two thousand.
- So the aim is a cluster: shoot several monsters, let the bubbles gather against a ceiling, then jump into the middle of them.
- A bubble only lasts about five seconds. When it pops by itself the monster comes back out angry — much faster, and it cannot be trapped again for a while.
- Empty bubbles count too. One that missed still drifts, and bursting it adds to the same cluster.
- Touching a monster costs a life. An angry one is red, so the colour is the warning.
- Each floor has a clock. Running it out costs a life and restarts the floor, so hiding is not a plan.
- Clear every monster on a floor to move up. There are four floors and three lives.
Tips
- Never burst a bubble the moment it forms. One is a hundred points; wait for a second and the pair is five hundred. Patience is worth more here than accuracy.
- Shoot upward-drifting bubbles under a platform. They stop against the ceiling and gather there, which is how a cluster of three or four is built.
- Count the five seconds. A trap you cannot reach in time is worse than no trap at all, because the monster comes back faster than it left.
- Blow bubbles from a platform above the monsters. A bubble rises, so shooting from below sends it away from what you were aiming at.
- Keep your jump for the cluster. Being airborne is when you cannot change direction, so spend it collecting rather than escaping.
- A red monster is angry and untrappable — your bubbles pass straight through it. Move away and wait it out rather than wasting shots.
- Watch the floor clock. When it runs low the safe play is to take the hundred-point kills you already have rather than hold out for a four-bubble burst.
- Herd, do not chase. Monsters turn at the edges of platforms, so standing where two patrols meet gives you a crowd without walking into one.
FAQ
Is Bubble Trap free to play?
Yes. It runs free in your browser with no download, no install and no account.
Why did shooting a monster not score anything?
Because a bubble only traps. The monster is held, but the kill is not finished until you go and touch the bubble to burst it. That second step is the game.
Why is bursting two at once worth so much more?
It is deliberately lopsided: each extra bubble in the same burst is worth four times the one before, so one is a hundred, two are five hundred between them and three are over two thousand. The whole strategy is building a cluster rather than shooting neatly.
What is the red monster?
One that escaped a bubble which popped on its own. It moves more than twice as fast and cannot be trapped for a while, so your bubbles go straight through it.
How long does a bubble last?
About five seconds. That is the timer you are really playing against — trap something you cannot reach and you have made the floor harder, not easier.
Do empty bubbles do anything?
Yes. A bubble that missed still drifts upward and still counts toward a multi-burst, so a stray shot can be the extra bubble that turns a pair into a triple.
Why is there a clock on each floor?
Without one a player who never bursts anything is never in danger and never makes progress — measured, a bot that only shot ran indefinitely. Running the clock out costs a life and restarts the floor.
Does Replay this run give the same floors?
Yes. The platforms are hand-drawn and the monsters are placed from the seed, and the whole game is a fixed-step simulation, so the same seed plays out identically.