游戏简介
双升是四人两队的升级类牌戏，通常使用两副牌。主牌、对子、拖拉机组合和团队配合决定每轮得分。
About Sheng / Tractor
Sheng or Tractor is a four-player partnership climbing game usually played with two decks. Trumps, pairs, tractor combinations and teamwork drive each round.
LV
Ludoveyra
Board & card games · 棋类与牌类
Card game · AI practice · 人机练习
双升 Sheng / Tractor
在线练习双升，与 AI 搭档体验双副牌、主牌和升级计分。
Practise Sheng, also known as Tractor, with AI partners using two decks, trumps and level progression.
基本规则
- 对家组成搭档，四人依次出牌。
- 必须在可能时跟随首出花色和牌型。
- 庄家方与抓分方根据牌墩结果决定升级。
Basic rules
- Opposite players are partners and play proceeds in turn.
- Players must follow the led suit and pattern when able.
- The declaring side and scoring side advance according to the trick result.