How to Play Monte Carlo
Monte Carlo is a quiet, thoughtful solitaire that’s great for a short break. For more solo card guides like this one, visit Playmore to explore other easy-to-learn games.
Quick facts
| Game | Family | Players | Deck | Setup | Beginner focus |
|---|---|---|---|---|---|
| Monte Carlo | International patience | 1 | Single normal 52-card deck | Deal a 5×5 grid | Remove adjacent pairs in a 5×5 grid, then compact the layout |
What you are trying to do
Your goal is to remove matching pairs of cards that sit next to each other inside the 5×5 grid. When pairs are removed, you close the gaps and add more cards from the remaining deck. You keep removing and compacting until you can’t make any more pairs. Exact win conditions and adjacency rules vary by version, so check the official or regional rules for the precise version you want to play.
What you need and how to set up
Use a single, standard 52-card deck. Shuffle well. Deal 25 cards face-up in a square 5×5 grid. The rest of the deck becomes your stock. Decide before you start how you will treat adjacency (for example, whether diagonal neighbors count) and how you will compact gaps; many players agree on a standard direction like left-to-right then top-to-bottom.
How to play
- Scan the 5×5 grid for pairs of cards that match by rank and are adjacent according to your agreed rule. Adjacent normally means cards next to each other, but groups may allow diagonals.
- When you find a pair, remove both cards and place them in a discard pile. Remove only pairs you can see and agree on; if there’s a dispute, pause and re-check adjacency rules.
- After removing any pairs, compact the remaining cards to close gaps. Use a consistent rule each time (for example, slide cards left within each row, then shift rows up to fill empty rows). The exact compaction method depends on your chosen version.
- Once you’ve compacted, deal cards from the stock into empty spaces to restore the grid (many versions refill up to 25 cards if possible). Continue searching for and removing adjacent pairs.
- Repeat the remove-compact-refill loop until no more pairs can be made or until the stock is exhausted. If you run out of stock, you keep removing and compacting until you’re stuck.
How a round or game ends
A round ends when no more adjacent matching pairs can be removed and you can’t or won’t refill the grid from the stock. Some players consider the game won if you clear the grid entirely; other versions count leftover cards and set target scores. Because regional and rule variations exist, check the official or regional rules for the exact win condition you want to use.
Beginner tips
- Agree on adjacency and compaction rules before you start. That keeps play fair and simple.
- Look for pairs that unlock the most new matches when removed. Removing boxed-in cards first can help.
- Watch diagonals if your version allows them—those often create hidden opportunities.
- When compacting, be consistent: always move in the same direction so you can predict new positions.
- If you’re stuck, pause and scan slowly. Sometimes a pair is easy to miss because a card moved during compaction.
- If your house rules include a penalty for leftover cards, use a non-consumption consequence if adults play—for example, a scoring penalty or a short break.
FAQ
Do diagonal cards count as adjacent?
That depends on the version you choose. Some players allow diagonal adjacency; others don’t. Pick one rule before you deal and stick with it.
How exactly do I compact the grid?
Compaction methods vary. A common choice is slide cards left in each row and then move rows up. The key is to be consistent. Check the official rules you prefer for the exact compaction sequence.
Can I play with more than one deck?
Monte Carlo is normally played with a single 52-card deck. Variants exist that change deck size or layout, but those are version-dependent—refer to your chosen ruleset for details.