The game guide
Bubble Reactor · Awaken the reactor
Aim, bank your shots and release cascades of plasma. Build your combo, supercharge the reactor and survive an endless field of bubbles.
How to play
Match at least three connected bubbles of the same colour. Bubbles disconnected from the ceiling fall. The game continues endlessly; only bubbles remaining beyond the danger line end your attempt.
Rules
Match at least three connected bubbles of the same colour. Bubbles disconnected from the ceiling fall. The game continues endlessly; only bubbles remaining beyond the danger line end your attempt.
Swap
Mouse: aim and click. Touch: drag to aim and release to fire; return to the cannon to cancel. Arrows: aim; Space: fire; X: swap; Escape: close a menu. Swap the current and next bubbles freely. The guide includes wall rebounds.
Combo
Every successful shot adds +0.25 to the multiplier, up to ×5 after sixteen successes. A miss removes one protection; a success restores all three. Three consecutive misses reset the combo to ×1. At ×5 the reactor becomes supercharged.
Tips
Combo
Every successful shot adds +0.25 to the multiplier, up to ×5 after sixteen successes. A miss removes one protection; a success restores all three. Three consecutive misses reset the combo to ×1. At ×5 the reactor becomes supercharged.
Sector
The field sinks slightly after every shot; waiting never moves it. Start with 3 colours and a new row every 6 shots. After 20 shots, there are 4 colours and a row every 5 shots; after 45, 5 colours and a row every 4; after 75, 6 colours while the interval stays at 4. New timing starts with the next cycle. Clearing the field refills it without losing your combo.
Danger line
Match at least three connected bubbles of the same colour. Bubbles disconnected from the ceiling fall. The game continues endlessly; only bubbles remaining beyond the danger line end your attempt.
Scoring
An exploded bubble gives 10 points; a falling bubble gives 20. Multiply the total by the new combo and round down. Misses, waiting and swapping award no points. Every successful shot adds +0.25 to the multiplier, up to ×5 after sixteen successes. A miss removes one protection; a success restores all three. Three consecutive misses reset the combo to ×1. At ×5 the reactor becomes supercharged.
Scores are recalculated from your shots by the server and recorded after defeat. You can leave the page and resume later. Temporary connection problems preserve the attempt; reconnection resumes synchronisation.
Back to the gameQuestions
Rules
Match at least three connected bubbles of the same colour. Bubbles disconnected from the ceiling fall. The game continues endlessly; only bubbles remaining beyond the danger line end your attempt.
Combo
Every successful shot adds +0.25 to the multiplier, up to ×5 after sixteen successes. A miss removes one protection; a success restores all three. Three consecutive misses reset the combo to ×1. At ×5 the reactor becomes supercharged.
Sector
The field sinks slightly after every shot; waiting never moves it. Start with 3 colours and a new row every 6 shots. After 20 shots, there are 4 colours and a row every 5 shots; after 45, 5 colours and a row every 4; after 75, 6 colours while the interval stays at 4. New timing starts with the next cycle. Clearing the field refills it without losing your combo.
Score
An exploded bubble gives 10 points; a falling bubble gives 20. Multiply the total by the new combo and round down. Misses, waiting and swapping award no points.
Ranked run
Scores are recalculated from your shots by the server and recorded after defeat. You can leave the page and resume later. Temporary connection problems preserve the attempt; reconnection resumes synchronisation.