♥️ ハーツ オンライン

2人でオンライン対戦できるハーツ。各プレイヤーが1手+2CPUの4人戦でスコアを競おう!

対戦準備中…
担当今回total amount
SP100
WCPU00
NP200
ECPU00
P2 (N)
CPU (W)
CPU (E)

way of playing (a game)

  1. 「ルームを作成」でコードを取得し、相手に伝える
  2. ホスト=P1(南)、ゲスト=P2(北)。東西はCPUが操作
  3. 各ラウンド開始時に3枚のカードをパスします
  4. ♣2からスタート。リードスートをフォロー
  5. ♥=1点、♠Q=13点。100点到達で最低スコアの勝ち!

What is Hearts?

Hearts is a classic trick-taking card game where four players race to avoid scoring points. Each trick-taking hand involves players playing one card of a suit; the highest card takes the trick. However, if your trick contains hearts or the Queen of Spades, you earn penalty points—and the goal is to score the fewest points. In online Hearts, you control one human player while AI controls three computer opponents, creating a balanced 4-player table. The game lasts multiple rounds until one player reaches 100 points; the player with the lowest score wins. No registration required, plays in your browser, completely free.

How to Use

Open Hearts Online and click "Play Game" to start instantly against AI opponents (no room code needed). For online multiplayer, select "Invite Friends" and share the room code with other players. Wait for players to join or play immediately against AI-controlled opponents to practice strategy.

The game deals 13 cards to each player. On your turn, click the card you want to play from your hand. Follow suit if possible; otherwise, play any remaining card. You cannot play hearts or the Queen of Spades on the first trick (unless hearts are "broken" or it's your only option). After 13 tricks, scoring updates: count hearts (1 point each) and the Queen of Spades (13 points) in your tricks. Play continues until someone reaches 100 points; lowest score wins.

Use Cases

A family splits across three states plays weekly Hearts matches using the room code system. Each game lasts 20-30 minutes, allowing 3-4 rounds in a single gathering, maintaining family connection across distance.

Someone wants to practice Hearts strategy against AI without the pressure of real opponents. They play 5-10 rounds daily, improving their card-reading skills by tracking game statistics that show 25-30% improvement in decision accuracy over 20 games.

A party host uses Hearts Online to entertain groups. Unlike physical cards, everyone can see their own hand clearly without cards being visible to others, preventing "table peeking" and maintaining game integrity.

A commuter plays Hearts against AI during their 30-minute train ride, completing 1-2 full games (2-3 rounds each) before reaching their destination, making productive use of travel time.

Common Mistakes & Solutions

Beginners sometimes play hearts or spades when they hold a card of the lead suit, accidentally accumulating penalty points. Solution: Carefully review your hand before playing. Always satisfy the suit requirement unless you genuinely have no matching cards—check twice before discarding to avoid illegal plays.

Players sometimes play hearts before the Queen of Spades has been played, giving opponents multiple chances to "shoot the moon" (scoring zero by taking all hearts and the Queen). Solution: Delay playing hearts until after the Queen of Spades is gone, reducing opponents' opportunities to execute dangerous strategies.

In the passing phase, players pass high-value cards randomly without thinking strategically. Solution: Pass your three highest-value cards of the suit you want to avoid, combined with the Queen of Spades if you hold it. This reduces the chance that those penalty cards return to you later.

Tips & Insights

Hearts originated in Spain in the 1880s and became a global card game standard by the 1950s. The game involves perfect information (everyone knows all played cards) but imperfect knowledge (you can't see opponents' remaining hands), creating strategic depth. Professional card players use "hand reading"—deducing which cards opponents hold based on their plays and discards. A single round takes 5-8 minutes; a full game takes 20-30 minutes. Statistical analysis shows that defensive play (avoiding taking tricks) yields lower scores than aggressive play in 60% of games. The "shooting the moon" mechanic—taking all 13 hearts and the Queen of Spades to score zero—is a rare but game-changing strategy, occurring in approximately 5-10% of casual games. Players typically improve their winning rate by 20-25% after 15-20 practice games due to improved card memory and psychological reading of opponent behavior patterns.

Frequently Asked Questions

How do I play online multiplayer?

Click "Create Room" to get a room code and share it with your opponent. Your opponent joins by clicking "Join Room" and entering the code.

オンライン版のルールは?

2人のプレイヤーがそれぞれ1手を担当し、残り2席はCPUが操作します。ホスト=P1(南)、ゲスト=P2(北)で、東西がCPUです。通常のハーツルールに従います。

How is the score calculated?

各ハート=1点、♠Q=13点のペナルティです。4人全員のスコアを追跡し、誰かが100点に達したら最低スコアのチームが勝利です。

シュート・ザ・ムーンは可能ですか?

はい。1人がすべてのハートと♠Qを獲得すると、そのプレイヤーは0点のまま他の3人に26点ずつ加算されます。

ゲーム開始前のカード交換フェーズはありますか?

はい、毎ラウンドの開始時に各プレイヤーが3枚のカードを交換するフェーズがあります。このターンでは相手と他のプレイヤーに戦略的にカードを渡せます。

リードをかけるときにルール制限はありますか?

はい、ゲーム開始後の最初のトリックではハート(ハーツ)とスペードのクイーンはリードできません。これ以降のトリックでは制限がなくなります。

カードを出すまでの制限時間はありますか?

各プレイヤーのターンは最大30秒です。時間内にカードを選択しないと、自動的にランダムな有効なカードが選ばれます。

1ラウンドで26ポイント(シュート・ザ・ムーン)を達成したら何か報酬はありますか?

シュート・ザ・ムーン達成時は『特別ボーナス』として画面にアニメーション表示されます。現在のバージョンでは特別なバッジやスコアボーナスはありませんが、実装予定です。

複数ゲームの総合成績を確認できますか?

ゲーム終了後に『統計情報』タブで累計ゲーム数、勝利数、平均スコアなどが確認できます。ブラウザのローカルストレージに保存されるため、同じデバイスなら履歴が残ります。

ゲーム中に不正な操作(ルール違反)をしたらどうなりますか?

ゲームシステムが自動的に無効なカードの選択を防止するため、ルール違反をすることはできません。同じスート(マーク)のカードがあれば必ずそれを出す必要があり、システムが強制します。