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Droptide. Drop. Merge.
Panic.

Drop one in, merge it into something bigger, drop the next. Nine creatures deep, Spark to Leviathan, in a jar of moving water. There's only so much room, and merging is the only way to make more.

  • Merge puzzle
  • Web
  • iPhone
  • iPad
  • Free
Droptide in play: a glass vessel filled almost to the danger line with glowing pink, yellow and green creatures, the next one waiting above the drop line.

How it works

  1. Drop

    Pick a spot along the top and let go. A guide line shows you where it lands, which helps right up until it doesn't.

  2. Merge

    Two of the same meet and become one bigger thing. That is the entire rule, and it will take you a while to get bored of it.

  3. Make room

    Merging is the only thing that gives space back. Anything you drop that doesn't merge is room you've spent.

  4. Mind the line

    There is a dashed line near the top, and resting above it for a couple of seconds ends the run. It fills up faster than it feels like it's filling up.

The catch

The squeeze

Room only goes one way

Every drop costs space and only a merge returns any. So a run isn't really a score going up, it's a debt you're either clearing or not.

The reprieve

One bomb, and only at the end

Build something big enough and you bank a bomb. You can't spend it when you'd like to — only at the instant the run would otherwise have ended, on whichever one you think is holding the pile up.

Ways to play

Tide
The whole game, and the one everybody gets. Take as long as you like over every drop; nothing is counting.
Riptide
Two and a half seconds and the water takes it out of your hand. Same pile, same physics, no thinking time.
Undertow
The same clock at 1.3 seconds. You aim on the way past, and mostly you are aiming at where you were going anyway.
Auto
Nobody plays. The pool blooms on its own, at whatever pace you set it, and you watch how deep it gets.
Colours
Four palettes across the nine creatures. Switching one repaints a merge that is already in the air.
On the phone
Free on iPhone and iPad, with Game Center leaderboards and a set of milestones. It plays on a plane; nothing is fetched to run it.
In a browser tab
The same game at droptide.unhero.com, installable to a home screen if you want it there. No account, no screen asking you to rate it first.
What it costs
Tide is free for good, in both. Riptide, Undertow, Auto and three of the palettes are one purchase between them — and you get a whole run of each of the three before it asks.

Get it

Droptide is free, and about as far from a commitment as a game gets.

Open the tab, drop a few, close the tab. Or don't close the tab. It'll be in the same state either way. There is one purchase in it, for the three modes that aren't Tide and three of the four palettes, and the game never asks you about it until you've played them.

Genre
Merge puzzle
Platforms
Web, iPhone, iPad
Price
Free, one unlock