Games similar to Matchimals.fun include Nonocross, which is free and open source. Other options are Ordinary Puzzles, Pixel Puzzle Collection, Two Eyes Nonogram and Lizzi Crossing. You can choose from more than 10 Puzzle Games like Matchimals.fun for Android, iPad, iPhone, the web and self-hosting.
Griddler Plus is a popular logic puzzler in the vein of Picross, Griddlers and Nonogram. With a massive array of included puzzles and a creation mode to let you make and share your own, it provides a virtually endless supply of great puzzles.
Free Nonograms (Picross) puzzle game that runs right in your browser. No downloads, no app stores, no sign-ups required.
Australia
Nonomatic is a picross (or nonogram) puzzle game where you use logic to fill in squares and draw a picture! Suitable for players of all ages.
The classic picture cross puzzle implemented in a handy and sleek mobile game. To solve a Nonogram puzzle a player is to reveal hidden images on the board based on the numbers lined up in both directions.
Cyprus
EU
Picross Mon is a Picross/Nonogram puzzle adventure crammed with cool style and artistry and a story that unfolds as you play.
South Korea
Challenge your mind daily with innovative puzzle gameplay combining Tic Tac Toe and Sokoban mechanics. A free strategic puzzle game with new challenges every day.
No2g: Nonogram Griddlers is a Picross/Nonogram style puzzle game with cool, retro style visuals.
Place a tent next to each tree in this original puzzle game! Numbers around the grid tell you how many tents must be placed on each row and column. Be careful, tents can't touch each other.
FranceEU
Enjoy logic-driven nonogram puzzles in diverse themes with intuitive controls, unlimited random games, varying grid sizes, difficulty options, offline access, no time limits, progress tracking, hints, and frequent new challenges for all age groups and skill levels.
United States
