diff --git a/game.html b/game.html
index 79af698..7106a5f 100644
--- a/game.html
+++ b/game.html
@@ -674,6 +674,14 @@
       position: absolute; top: 16px; bottom: 0;
       z-index: 2; cursor: crosshair; background: transparent;
     }
+    .tl-connector {
+      position: absolute;
+      width: 0;
+      border-left: 1px dashed rgba(232,220,196,.22);
+      transform: translateX(-50%);
+      pointer-events: none;
+      z-index: 0;
+    }
 
     .project-events {
       margin-top:.8rem; padding-top:.8rem; border-top:1px solid var(--line);
@@ -922,6 +930,13 @@
           </div>
         </div>
 
+      <!-- Vertical connectors: main rail → project pin -->
+      <template x-for="line in projectConnectors()" :key="line.id">
+        <div class="tl-connector"
+             :style="`left:${line.pct}%;top:${line.top}px;height:${line.height}px`">
+        </div>
+      </template>
+
       </div><!-- /.tl-wrap -->
     </div>
 
@@ -2131,6 +2146,26 @@
           return result.sort((a, b) => a.term.localeCompare(b.term))
         },
 
+        // Vertical connector lines from main-rail event dots down to project pins.
+        // SUBLABEL_H ≈ 1rem margin-top + 10px text + 6px margin-bottom = 32px
+        projectConnectors() {
+          if (!this.game) return []
+          const projs = this.projects()
+          if (!projs.length) return []
+          const SUBLABEL_H = 32, ROW_H = 36, PIN_LEVEL = 7
+          return this.events()
+            .filter(ev => ev.project_id)
+            .map(ev => {
+              const idx = projs.findIndex(p => p.id === ev.project_id)
+              if (idx === -1) return null
+              const pct  = this.posPercent(ev.date)
+              const topY = this.tlRailY()
+              const pinY = this.tlHeight() + SUBLABEL_H + idx * ROW_H + PIN_LEVEL
+              return { id: ev.id, pct, top: topY, height: Math.max(0, pinY - topY) }
+            })
+            .filter(Boolean)
+        },
+
         openAddEventToProject(project, clickEvent) {
           const env = this.randomEnv(project.discipline)
           this.activeForm = {