diff --git a/src/GameState.ts b/src/GameState.ts
index e99391e0..2cd56dfe 100644
--- a/src/GameState.ts
+++ b/src/GameState.ts
@@ -91,21 +91,21 @@ export class GameState implements IGameState {
         let upgrade: IGameUpgrade = upgrades[what];
         if (upgrade.canPurchase(this)) {
             upgrade.doPostPurchase(this);
+            if (upgrade.purchaseAckMessage !== undefined) {
+                this._notice(upgrade.purchaseAckMessage(this));
+            }
             let qty: number | undefined = this._upgradeAmounts[what];
             if (qty === undefined) {
                 qty = 0;
             }
             qty += 1;
             this._upgradeAmounts[what] = qty;
-            if (upgrade.purchaseAckMessage !== undefined) {
-                this._notice(upgrade.purchaseAckMessage);
-            }
             this._playerSpeedNeedsRecalc = true;
             this._showInventoryList();
             return true;
         } else {
             if (upgrade.purchaseNakMessage !== undefined) {
-                this._notice(upgrade.purchaseNakMessage);
+                this._notice(upgrade.purchaseNakMessage(this));
             }
             return false;
         }
diff --git a/src/GameUpgrade.ts b/src/GameUpgrade.ts
index fc5f5407..8af09dfb 100644
--- a/src/GameUpgrade.ts
+++ b/src/GameUpgrade.ts
@@ -20,11 +20,11 @@ export class GameUpgrade implements IGameUpgrade {
     /**
      * See IGameUpgrade.purchaseAckMessage.
      */
-    public purchaseAckMessage?: string;
+    public purchaseAckMessage?: (gameState: IGameState) => string;
     /**
      * See IGameUpgrade.purchaseNakMessage.
      */
-    public purchaseNakMessage?: string;
+    public purchaseNakMessage?: (gameState: IGameState) => string;
     /**
      * Callback to be invoked to implement doPostPurchase.
      */
diff --git a/src/IGameUpgrade.ts b/src/IGameUpgrade.ts
index 47f2b597..3e57db90 100644
--- a/src/IGameUpgrade.ts
+++ b/src/IGameUpgrade.ts
@@ -32,13 +32,13 @@ export interface IGameUpgrade {
      * If this property exists, it should be used as the message for a notice
      * to be displayed when the player successfully purchases this upgrade.
      */
-    purchaseAckMessage?: string;
+    purchaseAckMessage?: (gameState: IGameState) => string;
     /**
      * If this property exists, it should be used as the message for a notice
      * to be displayed when the player tries and fails to purchase
      * this upgrade.
      */
-    purchaseNakMessage?: string;
+    purchaseNakMessage?: (gameState: IGameState) => string;
     /**
      * Does any modifications to the game state consistent with purchasing
      * this upgrade, other than increasing the player's possessed quantity
diff --git a/src/upgrades.ts b/src/upgrades.ts
index 97310f46..829824d9 100644
--- a/src/upgrades.ts
+++ b/src/upgrades.ts
@@ -18,8 +18,11 @@ export const upgrades: {[upgradeName: string]: IGameUpgrade} = {
         purchaseCondition: (gameState: IGameState): boolean =>
             gameState.playerPlaceCounter >=
                 getPrice('beabnsies', gameState, 10),
-        purchaseAckMessage: "backtracked 10 blocks to find a beabnsy",
-        purchaseNakMessage:
+        purchaseAckMessage: (gameState: IGameState): string =>
+            "backtracked " +
+            `${getPrice('beabnsies', gameState, 10)} ` +
+            "blocks to find a beabnsy",
+        purchaseNakMessage: (_dontCare: IGameState): string =>
             "you aren't far enough to backtrack enough " +
             "to find a beabnsy",
         postPurchaseEffect: (gameState: IGameState): void => {
@@ -33,10 +36,12 @@ export const upgrades: {[upgradeName: string]: IGameUpgrade} = {
         purchaseCondition: (gameState: IGameState): boolean =>
             gameState.playerPlaceCounter >=
                 getPrice('roket', gameState, 100),
-        purchaseAckMessage:
-            "picked up tarsh for the past 100 blocks " +
-            "to build a roket",
-        purchaseNakMessage: "ther not enough trarsh to built an raocket",
+        purchaseAckMessage: (gameState: IGameState): string =>
+            "picked up tarsh for the past " +
+            `${getPrice('roket', gameState, 100)} ` +
+            "bloks to build a roket",
+        purchaseNakMessage: (_dontCare: IGameState): string =>
+            "ther not enough trarsh to built an raocket",
         postPurchaseEffect: (gameState: IGameState): void => {
             gameState.playerPlaceCounter -=
                 getPrice('roket', gameState, 100);
@@ -48,10 +53,11 @@ export const upgrades: {[upgradeName: string]: IGameUpgrade} = {
         purchaseCondition: (gameState: IGameState): boolean =>
             gameState.playerPlaceCounter >=
                 getPrice('bigrkt', gameState, 1000),
-        purchaseAckMessage:
-            "pikkocked oup tfarsh for the apst 1000 bloks " +
-            "too bfilt an BIGRKT WOA WOA",
-        purchaseNakMessage:
+        purchaseAckMessage: (gameState: IGameState): string =>
+            "pikkocked oup tfarsh for the apst " +
+            `${getPrice('bigrkt', gameState, 1000)} ` +
+            "blks too bfilt an BIGRKT WOA WOA",
+        purchaseNakMessage: (_dontCare: IGameState): string =>
             "got go frther " +
             "theres not ef trarash bakc ther yet",
         postPurchaseEffect: (gameState: IGameState): void => {