# Logjam: River Logic

> Slide the logs, free the raft. A calm sliding puzzle on a forest river.

Canonical page: [https://chrome-stats.com/d/dev.machcode.logjam](https://chrome-stats.com/d/dev.machcode.logjam)

## Overview

- **ID:** `dev.machcode.logjam`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Machcode apps
- **Category:** GAME\_PUZZLE
- **Version:** 1.0.0
- **Last updated:** 2026-11-06
- **First published:** 2026-11-06
- **Publisher country:** PL
- **Size:** 22 MB
- **Data as of:** 2026-11-09
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=dev.machcode.logjam)
- **Website:** [https://machcode.dev/logjam/](https://machcode.dev/logjam/)
- **Privacy policy:** [https://machcode.dev/logjam/privacy/](https://machcode.dev/logjam/privacy/)

## Description

Morning on a forest river, and the raft is stuck in a logjam. Slide the logs out of its way and guide it out through the gap in the bank – in as few moves as you can.<br><br>Logjam is a calm, clever sliding-block puzzle. Nothing is hidden and nothing is random: every river has a known shortest way out, its par, and the fun is finding it.<br><br>HOW YOU PLAY<br>• Drag a log along its length: logs lying along the river slide left and right, logs lying across it slide up and down.<br>• A log slides as far as the water is free, never through another log or a rock.<br>• Get the raft out through the gap in the right bank.<br>• Reach the gap in par for three stars; a few moves more still earns two.<br>• Undo any move, or start the river over.<br><br>HINTS THAT HELP<br>Stuck? The hint first outlines the log to move, then shows where it goes and how many moves are left from there, and can make the move for you.<br><br>280 RIVERS, FOUR DIFFICULTIES<br>• Easy – short jams and a five-level tutorial<br>• Medium – 9 to 15 moves<br>• Hard – 16 to 24 moves, with rocks in the water<br>• Expert – 25 moves and more for the deepest planning<br><br>A NEW RIVER EVERY DAY<br>A free daily puzzle, a streak to keep and the last seven days to catch up on.<br><br>All 40 Easy rivers, the daily puzzle and the first 10 rivers of Medium, Hard and Expert are free. More come in one-time packs, or unlock everything at once. No subscriptions, no ads, no account.<br><br>MADE FOR THINKERS<br>• Plays fully offline<br>• No account, no ads<br>• Your progress and best times stay on your device<br>• Misty pines, birch and pine logs, and soft wooden knocks<br><br>If you enjoy sliding-block puzzles, logic games or a quiet brain teaser with your coffee, Logjam is your next favourite.

## Rankings

- #3,400,371 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `dev.machcode.logjam.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/dev.machcode.logjam)