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Gameplay

The match is the heartbeat, but the franchise is the game. This page covers the systems around the diamond.

Player cards​

Every player in Diamond Dynasty is procedurally generated: name, position, ratings, and the card art itself (each card is drawn as SVG, no two clubs alike). Cards come in six rarities, and rarity sets the ceiling; a higher rarity card arrives with better ratings and more room to grow.

Batters and pitchers carry different rating sets (a slugger's power does not help them pitch), so building a club means collecting both sides of the ball.

My Team​

The My Team screen is the front office:

  • Roster. Every card you own, with ratings and rarity at a glance.
  • Lineup editor. Set your batting order and starting pitcher by hand, or press auto-set and let the game place your best nine.
  • Training. Spend coins on a player to raise their ratings. Growth is scaled by potential, so a young high-potential card is the better long-term investment even when a veteran looks stronger today.

The team rating number on the menu is computed from your active lineup. It is the score the whole loop is trying to raise.

Scout Packs​

Packs cost 200 coins and contain three players, revealed with an animated card flip. The pull odds for each rarity are published right on the packs screen, so you always know the deal before you buy. Duplicates still deepen the roster; a second good arm matters the day your starter tires in the second inning.

The match engine​

Matches play out pitch by pitch. When you bat, a swing outcome weighs:

  • how close your swing timing was to the ball crossing the plate,
  • whether you swung at a strike or chased a ball outside the zone,
  • the batter's rating against the pitcher's,
  • and the pitcher's current fatigue.

When you pitch, the outcome weighs your pitch and location call against the batter's rating and your pitcher's rating and fatigue. Both halves animate on the field: your swings against a live pitch, your calls flying to the plate. Three innings keeps a full game under ten minutes, and every half-inning is played, not skipped.

Fatigue and the bullpen​

A pitcher's PIT value falls with every batter faced. Low PIT flattens their effectiveness and raises the TIRED tag as a warning. Each club gets one relief call per game. The AI manager operates under the same rules and will go to their own bullpen when their starter fades.

Saving​

Everything (roster, coins, lineup, settings) persists automatically in your browser's localStorage. There is no account and no cloud sync, so the same browser on the same device is where your dynasty lives. A private window, a different browser, or clearing site data starts the franchise over.

Diamond Dynasty is also a PWA: install it from the browser menu and, after the first visit, the whole game (audio included) works offline.