Puzzle Games
Free puzzle and memory games: pipe connecting, colour lines, drag-and-drop picture and robot assembly, and two memory card games.
Why these games
Our puzzle shelf covers four kinds of thinking: route planning (Plumber's 30 pipe levels), long-term strategy (Super Color Lines), visual matching (Supercar Puzzle and Robotex Puzzle, 20 levels each) and memory (Halloween Memory with levels and a timer, and the untimed Memory Game). Where two games shared the same engine and rules — two colour-lines games, two turn-counted memory games — we kept the stronger one.
Our ranking
Ranked by our overall score, which combines depth, accessibility, replay value and family-friendliness. How we rate games.
- Plumber — 9.5/10. A clean, satisfying pipe puzzle with a well-judged difficulty ramp across 30 levels.
- Super Color Lines — 9.0/10. The deepest pure puzzle in the collection.
- Halloween Memory — 8.0/10. A friendly, well-paced memory game.
- Supercar Puzzle — 8.0/10. A relaxing drag-and-drop picture puzzle with 20 striking supercar photos.
- Robotex Puzzle — 8.0/10. A friendly assembly puzzle that turns building robots into a shape-matching challenge.
- Memory Game — 7.0/10. The classic concentration game with no clock — just a turn count to beat.
Side-by-side comparison
| Game | Score | Structure | Difficulty | Session | Screen | Saves |
|---|---|---|---|---|---|---|
| Plumber | 9.5 | 30 levels, 3-star ratings | Medium | 5–20 minutes | Landscape | Yes |
| Super Color Lines | 9.0 | Endless, turn-based | Hard | 10–30 minutes | Landscape | Yes |
| Halloween Memory | 8.0 | Levels with growing grids, timed | Easy | 3–10 minutes | Landscape | Yes |
| Supercar Puzzle | 8.0 | 20 picture puzzles | Easy | 5–15 minutes | Landscape | No |
| Robotex Puzzle | 8.0 | 20 levels + Bonus and Prize levels | Easy | 5–15 minutes | Landscape | Yes |
| Memory Game | 7.0 | Untimed, turn-counted | Easy | 3–10 minutes | Landscape | Yes |
Screen and save data are read from each game’s build files; scores and difficulty are our editorial assessment.
All Puzzle games (6)
Halloween MemoryFlip spooky cards, find the pairs and beat the clock level by level.
PlumberTurn the pipes, connect the valve and earn three stars on 30 levels.
Super Color LinesThe classic colour-lines puzzle: line up five balls and keep the grid from filling.
Drag twelve pieces into place to rebuild 20 stunning supercar photos.
Robotex PuzzleDrag the parts into place and assemble a transformer robot on every level.
Memory GameThe classic concentration game — clear the board in as few turns as possible.
Where to start
Supercar Puzzle and Robotex Puzzle are the gentlest introductions. Memory Game is a calm, untimed warm-up. Plumber adds a timer that only affects your star rating. Super Color Lines is the deepest puzzle on the site — easy to learn but genuinely strategic — and our Color Lines strategy guide explains how to think several moves ahead.
Memory games
The two memory games feel different despite sharing the flip-two-cards rule. Memory Game has no clock and simply counts your turns, which makes improvement easy to measure. Halloween Memory adds levels with growing grids and a timer, so you need both recall and pace. Our memory techniques guide covers both.
Playing on phone, tablet or desktop
Puzzles are comfortable on any device. Tapping to rotate pipes or flip cards works well with a finger, and dragging parts in Supercar Puzzle and Robotex Puzzle feels natural on a touch screen. On desktop, a mouse gives precise control. A larger screen makes the colour-lines board and picture pieces easier to read.
Strategy guide: Color Lines Strategy Guide: Thinking Several Moves Ahead
Game-by-game overview
Plumber
Plumber is a pipe-connecting puzzle game with 30 levels. Each level shows a set of pipe pieces laid out between a gate valve and the rest of the plumbing, complete with a pressure gauge. Your job is to rotate the pieces until they form one continuous, leak-free pipeline.
Best thing about it: 30 handcrafted levels. Watch out for: Early levels may feel too easy for puzzle veterans.
Super Color Lines
Super Color Lines is the classic colour-lines puzzle with bright, easy-to-read coloured balls. Each turn you move one ball to an empty square, provided there is a clear path for it to travel. Line up five or more balls of the same colour in a row, column or diagonal and they vanish, scoring points.
Best thing about it: Genuinely strategic. Watch out for: Steep learning curve for newcomers to the lines formula.
Halloween Memory
Halloween Memory is a concentration card game with a friendly Halloween theme. A grid of face-down cards hides matching pairs of seasonal pictures. You turn over two cards at a time; if they match, they stay face up, and if not, they flip back and you need to remember where they were.
Best thing about it: Levels add a clear sense of progression. Watch out for: The timer can frustrate very young children.
Supercar Puzzle
Supercar Puzzle is a picture puzzle game with 20 levels, each featuring a photograph of a supercar. The photo is cut into twelve pieces, and you drag each piece into its correct place on a grid to rebuild the picture.
Best thing about it: 20 different car photographs. Watch out for: Twelve pieces is easy for experienced puzzlers.
Robotex Puzzle
Robotex Puzzle is a drag-and-drop assembly puzzle. The game's own instructions explain the goal: to assemble the transformer, move all the items from the right side of the screen to the left side. Each level gives you a robot outline and a set of parts, and you build the robot by placing every part where it belongs.
Best thing about it: 20 robots to build. Watch out for: Too easy for older puzzle fans.
Memory Game
Memory Game is a classic concentration card game. A grid of face-down cards hides matching pairs. You flip two at a time; matches stay face up, mismatches flip back. At the end, the game tells you how many turns you needed.
Best thing about it: No timer — pure memory practice. Watch out for: A single board size.
Frequently asked questions
Are the puzzle games timed?
Plumber's timer affects your star rating, Supercar Puzzle rewards faster solves and Halloween Memory has a timer. Super Color Lines, Robotex Puzzle and Memory Game let you think at your own pace.
Which puzzle is best for children?
Supercar Puzzle, Robotex Puzzle and Memory Game have clear goals and no pressure, which makes them ideal for younger players.
What is the hardest puzzle here?
Super Color Lines, because every move affects the board for many turns to come.