diff --git a/static/css/style.css b/static/css/style.css
index 7b895a4..8db7af3 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -3,6 +3,7 @@
     right: 0;
     top: 0;
     padding: 12px;
+    z-index: 2;
 }
 
 #ready {
diff --git a/static/js/dom.js b/static/js/dom.js
index 148fda7..d04b629 100644
--- a/static/js/dom.js
+++ b/static/js/dom.js
@@ -1,5 +1,15 @@
 function unlockMapDom() {
-    document.querySelectorAll(".action").forEach((e) => e.classList.remove("hidden"));
+    Object.values(REGIONS).forEach((region) => {
+        if (!allRegionsClaimed() && region.owner === null) {
+            document
+                .querySelector(`.node[data-name=${region.name}] .action`)
+                .classList.remove("hidden");
+        } else if (region.owner === us) {
+            document
+                .querySelector(`.node[data-name=${region.name}] .action`)
+                .classList.remove("hidden");
+        }
+    });
 }
 
 function lockMapDom() {
@@ -23,6 +33,10 @@ function updateMapDom() {
         lockMapDom();
     }
 
+    if (allRegionsClaimed()) {
+        document.querySelectorAll(".action").forEach((e) => (e.textContent = "Reinf."));
+    }
+
     for (let region of Object.values(REGIONS)) {
         const element = document.querySelector(`.node[data-name=${region.name}]`);
         element.querySelector(".strength").textContent = region.strength || "";
diff --git a/static/js/index.js b/static/js/index.js
index f464100..621c481 100644
--- a/static/js/index.js
+++ b/static/js/index.js
@@ -91,6 +91,10 @@ document.addEventListener("DOMContentLoaded", () => {
                     if (currentPlayer().reinforce(data)) {
                         currentPlayer().endTurn();
                     }
+                } else {
+                    if (currentPlayer().act(data)) {
+                        currentPlayer().endTurn();
+                    }
                 }
 
                 updateDom();
diff --git a/static/js/player.js b/static/js/player.js
index 2d2be07..431b0c4 100644
--- a/static/js/player.js
+++ b/static/js/player.js
@@ -1,10 +1,19 @@
+PHASE_REINFORCE = 1;
+PHASE_ATTACK = 1;
+PHASE_FORTIFY = 1;
+
 class Player {
     constructor(id, name) {
         this.name = name;
         this.timeout = null;
         this.id = id;
         this.ready = false;
+
+        // Data which is reset every turn
         this.isPlaying = false;
+        this.reinforcementsPlaced = 0;
+        this.reinforcementsAvailable = 0;
+        this.turnPhase = PHASE_REINFORCE;
 
         this.resetColor();
     }
@@ -66,11 +75,47 @@ class Player {
         }
     }
 
+    /**
+     * Process a generic action packet representing a player's move.
+     *
+     * @param data Data received via socket
+     * @returns {boolean} Whether this player's turn has ended or not.
+     */
+    act(data) {
+        if (this.turnPhase === PHASE_REINFORCE) {
+            if (this.reinforce(data)) {
+                this.reinforcementsPlaced += 1;
+            }
+
+            if (this.reinforcementsPlaced === this.reinforcementsAvailable) {
+                this.turnPhase = PHASE_ATTACK;
+            }
+
+            return false;
+        }
+    }
+
+    /**
+     * Calculate the number of additional reinforcements to gain on this turn.
+     */
+    additionalReinforcements() {
+        return Math.min(
+            3,
+            Math.floor(
+                Object.values(REGIONS).filter((region) => region.owner === this).length /
+                    3
+            )
+        );
+    }
+
     /**
      * Start a player's turn.
      */
     startTurn() {
         this.isPlaying = true;
+        this.reinforcementsPlaced = 0;
+        this.reinforcementsAvailable = this.additionalReinforcements();
+        this.turnPhase = PHASE_REINFORCE;
     }
 
     /**