Play Solitaire 0 - 21 online for a quick and relaxing number puzzle. The rules are easy to learn: keep your running sum between 0 and 21 while you collect all number cards on the board.
The game runs in your browser on desktop and mobile. With 75 levels, short rounds, and simple controls, it is perfect for casual play, brain training, and timed breaks.
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Desktop
- Click a card to select and play it.
- Drag and drop a card to the play area if supported.
- Use the undo or restart buttons in the game UI to correct mistakes.
- Keyboard is optional; focus on mouse or trackpad controls for precise selection.
Mobile
- Tap a card to select it and add it to your sum.
- Tap a special card (MIN, MID, MAX) to set your sum to its value.
- Drag a card to the play area if dragging is supported by your device.
- Use on-screen buttons for undo or restart when available.
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Solitaire 0 - 21 is a calm, strategy card puzzle that mixes classic solitaire feel with simple number logic. Your objective is to collect all number cards on the board while keeping the running sum between 0 and 21. Each move changes your sum and opens new choices, so planning matters.
Gameplay is level based. You start with an initial sum and pick number cards to add or subtract from it. Special cards labeled MIN, MID, and MAX change your current sum to their preset values, letting you recover or push toward higher goals. The game features 75 unique levels that grow more challenging with new layouts and tighter choices. Puzzles play fast and suit short sessions or longer strategic runs.
Solitaire 0 - 21 appeals to players who like simple rules, steady progression, and thoughtful decision making. The interface is minimal so you can focus on the math and the strategy. Each level rewards clear planning, safe moves, and smart use of special cards to reach the required totals and collect every card.
Game Details
Category
Puzzle
Developer
Unknown
Technology
HTML5
Platform
Web Browser
Devices
Desktop, Tablet, Mobile
Game Features
75 Unique Levels
Progress through 75 handcrafted puzzles that increase in difficulty and variety.
Simple Rules, Deep Strategy
Keep your running sum between 0 and 21 while you plan moves and use special cards.
Special MIN, MID, MAX Cards
Use MIN, MID, and MAX cards to reset your sum to preset values and change your approach.
Quick Sessions
Each level plays in minutes, ideal for short breaks or focused puzzle sessions.
Mobile Friendly HTML5
Play in any modern browser on desktop or mobile with a clean, responsive interface.
Frequently Asked Questions
Collect all number cards on the board while keeping your running sum between 0 and 21. Use special cards as needed to reach the goal.
MIN, MID, and MAX set your current sum to their preset values. Use them to recover from risky sums or to reach target totals quickly.
Yes. The game is built with HTML5 and runs in modern mobile browsers. Tap or drag cards to play.
Yes. This online version runs in the browser for free with no download required.
Plan 2 to 3 moves ahead, use special cards conservatively, and watch how each choice affects future options to avoid getting stuck.