Frequently Asked Questions
How do I play Slidr?▼
Swipe or drag pieces to slide them. Your goal is to move the large target block (2x2) to the exit position marked at the bottom of the board. Other pieces block the way and must be rearranged to create a path.
What is Infinite Mode?▼
Infinite Mode uses a procedural generator to create unlimited unique puzzles. Choose a difficulty tier (Easy, Medium, Hard, Expert) and how many levels to generate. Each puzzle is guaranteed to be solvable and unique. Generated levels are automatically saved to your device.
How do hints work?▼
Tap the hint button when stuck. The app uses a BFS (Breadth-First Search) solver to find the optimal solution and highlights the next best move. Hints show only one move at a time, so you still solve most of the puzzle yourself.
Can I undo moves?▼
Yes! Tap the undo button to reverse your last move. You can undo multiple moves back to the starting position. You can also reset the entire puzzle to start fresh at any time.
Are generated levels saved?▼
Yes. Every level you generate is automatically saved to your device. You can find saved levels in the "Generated" tab, organized by difficulty tier. Duplicate puzzles are never generated — each one is unique.
Where is my data stored?▼
All data is stored locally on your device. Nothing is sent to external servers. Your data is protected by iOS encryption and sandboxing. Uninstalling the app will delete all saved data.
What do the difficulty tiers mean?▼
Easy (3x4, 5-14 moves) — great for beginners. Medium (4x5, 15-29 moves) — the classic Slidr experience. Hard (5x6, 30-54 moves) — requires serious planning. Expert (6x7, 55+ moves) — maximum complexity.
💡 Tips & Tricks
- Start from the exit. Think about what needs to be near the exit first, then work backwards.
- Move small blocks first. 1x1 blocks are the most flexible — use them to create temporary space.
- Don't move the target too early. Clear the path before moving the 2x2 target block.
- Use undo freely. Experimenting and undoing is part of the solving process.
- Try different difficulties. If Expert feels impossible, practice on Medium and Hard first.