GAME DETAIL
理论成立:友情破产 THEORY WORKS: YOUR FRIENDS DON’T
THEORY WORKS: YOUR FRIENDS DON’T is a 3–8 player party game inspired by game theory. Split resources, make secret choices, bluff at auctions, invade rivals, and use skill cards to wreck their plans. Build a custom game playlist and outthink your friends across every round.
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THEORY WORKS: YOUR FRIENDS DON’T
THEORY WORKS: YOUR FRIENDS DON’T is a 3–8 player multiplayer party game inspired by game theory.
You don't need to solve equations—you just need to know when your friends will get greedy, when they'll play it safe, and when they're about to drag you down with them.
The rules are straightforward. The decisions are anything but. Hidden information, temporary alliances, and shameless sabotage keep rewriting every “optimal” move. The host can build and reorder a custom playlist of game modes, tune each mode's settings, and turn every result into points on a running leaderboard.
The theory may hold. Your friendships might not.
Coin Game
One hundred coins sit in a shared pool.
Finish with the most? Your score is wiped to zero.
Finish with the least? Zero for you too.
Take coins openly or choose in secret, then use Double, Steal, Freeze, Swap, and Coin Bomb cards to wreck everyone's calculations. The safest place may be somewhere between greed and restraint.
Arms Race
Split your limited coins between Development, Defense, and Invasion.
Development becomes more profitable in later rounds, while your Defense is cleared after every round. As soon as someone comes under attack, the whole table may pile in for an Ambush.
Protect what you have—or risk everything and strike first.
Auction Game
Every item's appearance, quality, and list price are public. Its true value is known only to its owner.
Buy an item, then convince your friends to take it off your hands. Choose between sealed bids and an open English auction, using hype, doubt, and pure bluff to steer the table.
A treasure may sell for scraps. A piece of junk may start a bidding war.
Features
Competitive multiplayer for 3–8 players
Steam lobbies and friend invites
LAN and dedicated server connections
Bots to fill empty seats
Customizable, reorderable game-mode playlists
Cross-game standings
In-room chat and preset taunts
Comic-style visuals and presentation
The theory works. Your friends don’t.
スクリーンショット
ATTENTION
注目度メトリクス
プレイヤー推移
データ蓄積中 24時間平均選択した期間に観測データはありません。
Steamフォロワー推移
2件以上で集計 直近7日選択した期間に観測データはありません。
プレイヤー数とフォロワー数は意味と単位が異なるため、 別々の時系列として表示しています。補間した値は使用していません。
発売前注目度の基礎指標 発売前タイトルのため、Steamフォロワー数と7日増加を中心に注目度を観測します。
| 指標 | 現在値 | 観測状況 |
|---|---|---|
| 現在プレイヤー数 | 未集計 | 最終観測:未集計 |
| 24時間ピーク | データ蓄積中 | 未集計・直近7日 0件 |
| Steamフォロワー数 | 1人 | 最終観測:2026年9月8日 17:09(21日経過) |
| 7日フォロワー増加 | 2件以上で集計 | 履歴あり・更新待ち・直近7日 0件 |
PlayMEXが保存した観測値です。取得時刻と観測数を あわせて確認できます。
ジャンル・機能
機能カテゴリ
注目ポイント
更新あり 直近14日以内にSteamストア更新
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