diff --git a/client/src/Board.css b/client/src/Board.css
index 47717f9..0fead34 100644
--- a/client/src/Board.css
+++ b/client/src/Board.css
@@ -37,11 +37,11 @@
 }
 
 .Pip.Active {
-  filter: drop-shadow(0px 0px 5px rgba(255, 255, 0, 0.9));
+  filter: drop-shadow(0px 0px 10px rgba(255, 0, 255, 1));
 }
 
 .Pip.Active.Option {
-  filter: brightness(150%) drop-shadow(0px 0px 5px rgba(255, 255, 0, 0.9));
+  filter: brightness(150%) drop-shadow(0px 0px 10px rgba(255, 0, 255, 1));
 }
 
 .Pips[disabled],
diff --git a/client/src/Table.js b/client/src/Table.js
index 9339775..c011f14 100755
--- a/client/src/Table.js
+++ b/client/src/Table.js
@@ -48,8 +48,10 @@ const Placard = ({table, type, active}) => {
   }
 
   const buildClicked = (event) => {
-    if (!table.state.buildActive) {
-      table.setState({ buildActive: true });
+    if (!type.match(/^l.*/)) {
+      if (!table.state.buildActive) {
+        table.setState({ buildActive: true });
+      }
     }
   };
 
@@ -1004,6 +1006,13 @@ class Table extends React.Component {
               <div className="Hand">
                 { development }
               </div>
+              { game.longestRoad && game.longestRoad === game.color &&
+                <Placard
+                  active={false}
+                  type='longest-road'
+                  table={this}
+                  />
+              }
               <Placard
                 active={this.state.buildActive}
                 disabled={!game || !game.turn || !game.turn.roll}
@@ -1042,36 +1051,6 @@ class Table extends React.Component {
           (!game.player || !game.player.mustDiscard) && <WaitingForPlayer table={this}/>
         }
 
-        { game && game.showCards && 
-          <div className="Cards">
-            { game && game.state === "active" && <>
-              <div>In hand</div>
-            
-              <div>Available to play</div>
-              <div className="Hand">
-                <Development type="monopoly" count="1"/>
-                <Development type="army-" max="14" count="4"/>
-                <div className="Stack">
-                  <Development type="vp-library" count="1"/>
-                  <Development type="vp-market" count="1"/>
-                </div>
-              </div>
-              <div>Points</div>
-              <div className="Hand">
-                <div className="Stack">
-                  <Development type="vp-library" count="1"/>
-                  <Development type="vp-palace" count="1"/>
-                  <Development type="army-" max="14" count="6"/>
-                </div>
-              </div>
-              <div className="Hand">
-                <Placard type="largest-army"/>
-                <Placard type="longest-road"/>
-              </div>
-            </> }
-          </div>
-        }
-
         { this.state.error && <Paper className="Error"><div>{this.state.error}</div></Paper> }
 
       </div>
diff --git a/server/routes/games.js b/server/routes/games.js
index 3f16346..ee42980 100755
--- a/server/routes/games.js
+++ b/server/routes/games.js
@@ -805,6 +805,185 @@ const getPrevPlayer = (game, name) => {
   return name;
 }
 
+const processCorner = (game, color, cornerIndex, placedCorner) => {
+  /* If this corner is allocated and isn't assigned to the walking color, skip it */
+  if (placedCorner.color && placedCorner.color !== color) {
+    return -1;
+  }
+  /* If this corner is already being walked, skip it */
+  if (placedCorner.walking) {
+    return -1;
+  }
+
+  placedCorner.walking = true;
+  /* Calculate the longest road branching from both corners */
+  let longest = 0;
+  layout.corners[cornerIndex].roads.forEach(roadIndex => {
+    const placedRoad = game.placements.roads[roadIndex];
+    longest = Math.max(processRoad(game, color, roadIndex, placedRoad), longest);
+  });
+
+  return longest;
+};
+
+const buildCornerGraph = (game, color, cornerIndex, placedCorner, set) => {
+  /* If this corner is allocated and isn't assigned to the walking color, skip it */
+  if (placedCorner.color && placedCorner.color !== color) {
+    return;
+  }
+  /* If this corner is already being walked, skip it */
+  if (placedCorner.walking) {
+    return;
+  }
+ 
+  placedCorner.walking = true;
+  /* Calculate the longest road branching from both corners */
+  layout.corners[cornerIndex].roads.forEach(roadIndex => {
+    const placedRoad = game.placements.roads[roadIndex];
+    buildRoadGraph(game, color, roadIndex, placedRoad, set);
+  });
+};
+
+const processRoad = (game, color, roadIndex, placedRoad) => {
+  /* If this road isn't assigned to the walking color, skip it */
+  if (placedRoad.color !== color) {
+   return -1;
+  }
+
+  /* If this road is already being walked, skip it */
+  if (placedRoad.walking) {
+    return -1;
+  }
+
+  placedRoad.walking = true;
+  /* Calculate the longest road branching from both corners */
+  let longest = 0;
+  layout.roads[roadIndex].corners.forEach(cornerIndex => {
+    const placedCorner = game.placements.corners[cornerIndex];
+    longest = Math.max(processCorner(game, color, cornerIndex, placedCorner), longest);
+  });
+  placedRoad.longest = 1 + longest;
+
+  return placedRoad.longest;
+};
+
+const buildRoadGraph = (game, color, roadIndex, placedRoad, set) => {
+  /* If this road isn't assigned to the walking color, skip it */
+  if (placedRoad.color !== color) {
+    return;
+  }
+  /* If this road is already being walked, skip it */
+  if (placedRoad.walking) {
+    return;
+  }
+
+  placedRoad.walking = true;
+  set.push(roadIndex);
+  /* Calculate the longest road branching from both corners */
+  layout.roads[roadIndex].corners.forEach(cornerIndex => {
+    const placedCorner = game.placements.corners[cornerIndex];
+    buildCornerGraph(game, color, cornerIndex, placedCorner, set)
+  });
+};
+
+const clearRoadMarkers = (game) => {
+  /* Clear out walk markers on roads */
+  layout.roads.forEach((item, itemIndex) => {
+    const placed = game.placements.roads[itemIndex];
+    placed.walking = false;
+    placed.longest = 0;
+  });
+
+  /* Clear out walk markers on corners */
+  layout.corners.forEach((item, itemIndex) => {
+    const placed = game.placements.corners[itemIndex];
+    placed.walking = false;
+  });
+}
+
+const calculateRoadLengths = (game, session) => {
+  clearRoadMarkers(game);
+
+  /* Clear out player longest road counts */
+  for (let key in game.players) {
+    game.players[key].roadLength = 0;
+  }
+
+  /* Build a set of connected road graphs. Once all graphs are 
+   * constructed, walk through each graph, starting from each
+   * location in the graph. If the length ever equals the
+   * number of items in the graph, short circuit--longest path.
+   * Otherwise, check all paths from each segment. This is
+   * needed to catch loops where starting from an outside end
+   * point may result in not counting the length of the loop
+   */
+  let graphs = [];
+  layout.roads.forEach((road, roadIndex) => {
+    const placedRoad = game.placements.roads[roadIndex];
+    if (placedRoad.color) {
+      let set = [];
+      buildRoadGraph(game, placedRoad.color, roadIndex, placedRoad, set);
+      if (set.length) {
+        graphs.push({ color: placedRoad.color, set });
+      }
+    }
+  });
+
+  console.log(graphs);
+
+  let currentLength = game.longestRoad ? game.players[game.longestRoad].roadLength : -1,
+    currentLongest = game.longestRoad;
+  clearRoadMarkers(game);
+  graphs.forEach(graph => {
+    graph.set.forEach(roadIndex => {
+      const placedRoad = game.placements.roads[roadIndex];
+      clearRoadMarkers(game);
+      const length = processRoad(game, placedRoad.color, roadIndex, placedRoad);
+      game.players[placedRoad.color].roadLength =
+        Math.max(game.players[placedRoad.color].roadLength, length);
+    });
+  });
+  
+  const checkForTies = false;
+  if (currentLongest && game.players[game.currentLongest].roadLength < currentLength) {
+    addChatMessage(game, session, `${getPlayerNameFromColor(game, game.currentLongest)} had their longest road split!`);
+    checkForTies = true;
+  }
+
+  let longest = game.longestRoad ? game.players[game.longestRoad].roadLength : 4,
+    longestPlayers = [];
+  for (let key in game.players) {
+    if (game.players[key].status === 'Not active') {
+      continue;
+    }
+    if (game.players[key].roadLength > longest) {
+      longestPlayers = [ key ];
+      longest = game.players[key].roadLength;
+    } else if (game.players[key].roadLength == longest && checkForTies) {
+      longestPlayers.push(key);
+    }
+  }
+
+  if (longestPlayers.length > 0) {
+    if (longestPlayers.length === 1) {
+      if (game.longestRoad !== longestPlayers[0]) {
+        game.longestRoad = longestPlayers[0];
+        addChatMessage(game, session, `${playerNameFromColor(game, game.longestRoad)} now has the longest road (${longest})!`);
+      }
+    } else {
+      if (checkForTies) {
+        const names = longestPlayers.map(color => playerNameFromColor(color));
+        addChatMessage(game, session, `${names.join(', ')} are tied for longest road (${longest})!`);
+      }
+      game.longestRoad = null;
+    }
+  } else {
+    game.longestRoad = null;
+  }
+
+  
+};
+
 const getValidCorners = (game, color, type) => {
   const limits = [];
 
@@ -982,6 +1161,7 @@ router.put("/:id/:action/:value?", async (req, res) => {
     /* Any player can make an offer */
     if (value === 'offer') {
       const offer = req.body;
+      console.log('TODO: Verify player has sufficient resources.');
       session.player.gives = offer.gives;
       session.player.gets = offer.gets;
       if (game.turn.name === name) {
@@ -1006,7 +1186,7 @@ router.put("/:id/:action/:value?", async (req, res) => {
         target = game.players[offer.color];
         offer.gives.forEach(item => {
           const isOffered = target.gives.find(
-          match => match.type === item.type && match.count === item.count);
+            match => match.type === item.type && match.count === item.count);
           if (!isOffered) {
             mismatch = true;
           }
@@ -1022,12 +1202,19 @@ router.put("/:id/:action/:value?", async (req, res) => {
           error = `Unfortunately, trades were re-negotiated in transit and the deal is invalid!`;
           break;
         }
-      }
+      } 
 
+      /* Verify the requesting offer wasn't jacked */
+      console.log('TODO: Verify the player trade matches the offer target');
+      
       /* Transfer goods */
       player.gets.forEach(item => {
         if (target) {
           target[item.type] -= item.count;
+          if (target[item.type] < 0) {
+            console.log(`Cheating!!!`);
+            target[item.type] = 0;
+          }
         }
         player[item.type] += item.count;
       });
@@ -1036,6 +1223,10 @@ router.put("/:id/:action/:value?", async (req, res) => {
           target[item.type] += item.count;
         }
         player[item.type] -= item.count;
+        if (player[item.type] < 0) {
+          console.log(`Cheating!!!`);
+          player[item.type] = 0;
+        }
       });
 
       delete game.turn.offer;
@@ -1162,6 +1353,8 @@ router.put("/:id/:action/:value?", async (req, res) => {
     });
     if (cards.length === 0) {
       addChatMessage(game, session, `Victim did not have any cards to steal.`);
+      game.turn.actions = [];
+      game.turn.limits = {};
     } else {
       let index = Math.floor(Math.random() * cards.length),
         type = cards[index];
@@ -1299,6 +1492,7 @@ router.put("/:id/:action/:value?", async (req, res) => {
       game.turn.actions = [];
       game.turn.limits = {};
       addChatMessage(game, session, `${name} placed a settlement.`);
+      calculateRoadLengths(game, session);
     } else if (game.state === 'initial-placement') {
       if (game.direction && game.direction === 'backward') {
         session.initialSettlement = index;  
@@ -1340,7 +1534,7 @@ router.put("/:id/:action/:value?", async (req, res) => {
         error = `You cannot build until you have rolled.`;
         break;
       }  
-      if (player.wheat < 3 || player.stone < 2) {
+      if (player.wheat < 2 || player.stone < 3) {
         error = `You have insufficient resources to build a city.`;
         break;
       }
@@ -1386,7 +1580,7 @@ router.put("/:id/:action/:value?", async (req, res) => {
         error = `This location already has a city!`;
         break;
       }
-      if (player.wheat < 3 || player.stone < 2) {
+      if (player.wheat < 2 || player.stone < 3) {
         error = `You have insufficient resources to build a city.`;
         break;
       }
@@ -1398,8 +1592,8 @@ router.put("/:id/:action/:value?", async (req, res) => {
       corner.type = 'city';
       player.cities--;
       player.settlements++;
-      player.wheat -= 3;
-      player.stone -= 2;
+      player.wheat -= 2;
+      player.stone -= 3;
       game.turn.actions = [];
       game.turn.limits = {};
       addChatMessage(game, session, `${name} upgraded a settlement to a city!`);
@@ -1477,9 +1671,12 @@ router.put("/:id/:action/:value?", async (req, res) => {
       game.turn.actions = [];
       game.turn.limits = {};
       addChatMessage(game, session, `${name} placed a road.`);
+      calculateRoadLengths(game, session);
+
     } else if (game.state === 'initial-placement') {
       road.color = session.color;
       addChatMessage(game, session, `${name} placed a road.`);
+      calculateRoadLengths(game, session);
    
       let next;
       if (game.direction === 'forward' && getLastPlayerName(game) === name) {
@@ -1502,6 +1699,7 @@ router.put("/:id/:action/:value?", async (req, res) => {
           name: next,
           color: getColorFromName(game, next)
         };
+        calculateRoadLengths(game, session);
         addChatMessage(game, null, `It is ${next}'s turn. Place a settlement.`);
       } else {
         game.turn = {
@@ -1737,13 +1935,34 @@ const resetGame = (game) => {
     roads: []
   };
 
+  Object.assign(game, {
+    sheep: 19,
+    ore: 19,
+    wool: 19,
+    brick: 19,
+    wheat: 19,
+    longestRoad: null,
+    largestArmy: null,
+    developmentCards: assetData.developmentCards.slice()
+  });
+
   for (let key in game.players) {
-    game.players[key].wheat = 
-    game.players[key].sheep = 
-    game.players[key].stone = 
-    game.players[key].brick = 
-    game.players[key].wood = 0;
+    Object.assign(game.players[key], {
+      wheat: 0,
+      sheep: 0,
+      stone: 0,
+      brick: 0,
+      wood: 0,
+      roads: 15,
+      cities: 4,
+      settlements: 5,
+      points: 0,
+      development: []
+    });
   }
+  
+  game.developmentCards = assetData.developmentCards.slice();
+  shuffle(game.developmentCards);
 
   for (let i = 0; i < layout.corners.length; i++) {
     game.placements.corners[i] = {
@@ -1883,7 +2102,7 @@ const shuffleBoard = (game) => {
     }
   }
 
-   shuffle(game.developmentCards);
+  shuffle(game.developmentCards);
 }
 
 /*