diff --git a/assets/beer.png b/assets/beer.png
index 304ce9f..0c714a2 100644
Binary files a/assets/beer.png and b/assets/beer.png differ
diff --git a/assets/coffee.png b/assets/coffee.png
new file mode 100644
index 0000000..8cc243c
Binary files /dev/null and b/assets/coffee.png differ
diff --git a/assets/efficiency.png b/assets/efficiency.png
new file mode 100644
index 0000000..a7b271d
Binary files /dev/null and b/assets/efficiency.png differ
diff --git a/assets/propaganda.png b/assets/propaganda.png
new file mode 100644
index 0000000..9373411
Binary files /dev/null and b/assets/propaganda.png differ
diff --git a/json/upgrades.json b/json/upgrades.json
index 5efdea1..d410fc3 100644
--- a/json/upgrades.json
+++ b/json/upgrades.json
@@ -8,7 +8,43 @@
     "receiver": "PhD Students",
     "property": "rate",
     "factor": 1.2,
-    "constant": 0,
+    "constant": 1,
     "image": "assets/beer.png"
+  },
+  {
+    "name": "Free coffee",
+    "description": "Sleeping is the coffee of the weaks.",
+    "cost": 1000,
+    "used": false,
+    "type": "hr",
+    "receiver": "PhD Students",
+    "property": "rate",
+    "factor": 1.2,
+    "constant": 1,
+    "image": "assets/coffee.png"
+  },
+  {
+    "name": "Detector upgrade",
+    "description": "More efficient detector.",
+    "cost": 100,
+    "used": false,
+    "type": "detector",
+    "receiver": "",
+    "property": "rate",
+    "factor": 1,
+    "constant": 1,
+    "image": "assets/efficiency.png"
+  },
+  {
+    "name": "Propaganda",
+    "description": "Makes your weird science popular (?).",
+    "cost": 100,
+    "used": false,
+    "type": "research",
+    "receiver": "W-Boson",
+    "property": "reputation",
+    "factor": 1.2,
+    "constant": 1,
+    "image": "assets/propaganda.png"
   }
 ]