This is a paid asset, but now you can download Plumber Ultimate Free.
Detail this asset from Unity Store: Original Link
Plumber Ultimate – the best brain-teaser is a gift for every pipeline puzzle lover. If you are a big fan of pipe connection puzzle, do not miss this great FREE pipeline game!
It is not only a well-known pipe connecting game for children, but also for adults and families. Everyone can enjoy the fun of plumbing! We guarantee an amusing, inspiring pipe puzzle. All pipe plumbing fans, get ready for your exciting pipe plumbing journey!
✓ 5 Packages from Easy to Expert
✓ 250 total well-made levels.
✓ Level Editor to make more levels (3 minutes for each level)
✓ Rate button
✓ Hint function to help you users pass hard levels.
✓ Daily wheel to reward coins
✓ Admob integrated (banner, interstitial, rewarded video)
This asset uses:
– GoogleMobileAds under Apache 2.0
– PlayServicesResolver under Apache 2.0
see Third-Party Notices.txt file in package for details.