Trail Mix ยท Henricks Outdoors
Play "Forest Waterfall" as an online jigsaw puzzle, from 12 to 500 pieces. Free, no sign-up, and it works on phones, tablets and computers.
Stuck? Hint puts a piece in its place for you, Edges brings the border pieces closest to the board, and Picture shows the finished photo. Your progress saves on this device, so you can come back any time.