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Play Waternet (Batteryless Save Flash Cartridge Version / Aftermarket / Homebrew · World edition · English) Online
Waternet
Play Waternet online on Game Boy Color. Connect every pipe into a closed water network in Waternet, a Game Boy Color puzzle game. Rotate individual pieces, slide whole rows or columns, or combine both actions across three modes with progressively harder boards.
Browser play

Game Boy Color (GBC) — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Waternet
Quick start
Choose Rotate and an easy difficulty, select a pipe and turn it until its ends connect with its neighbours. Finish one network before trying Slide or Roslid.
Controls
D-pad moves selection. A or START confirms and performs rotation or sliding according to mode; B returns. Rotate changes one pipe, Slide moves rows/columns, Roslid uses both.
Waternet — About this game
Start with an easy Rotate board and follow each pipe's open ends before changing another piece. Slide moves an entire row or column, so check what that movement will displace. Roslid combines rotation and sliding. The supplied batteryless cartridge editions share the puzzle rules; their cartridge save method is a version detail.
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · gb
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.