diff --git a/src/css/ingame_hud/dialogs.scss b/src/css/ingame_hud/dialogs.scss
index d72265e7..b7743bb1 100644
--- a/src/css/ingame_hud/dialogs.scss
+++ b/src/css/ingame_hud/dialogs.scss
@@ -199,7 +199,8 @@
                     color: #fff;
                 }
 
-                &.timedButton {
+                &.timedButton,
+                &.timedButtonSlow {
                     pointer-events: none;
                     cursor: default;
                     position: relative;
@@ -214,13 +215,27 @@
                         content: " ";
                         display: inline-block;
                         background: rgba(#fff, 0.6);
-                        @include InlineAnimation(5s linear) {
-                            0% {
-                                width: 100%;
-                            }
-                            100% {
-                                width: 0%;
-                            }
+                    }
+                }
+
+                &.timedButton::after {
+                    @include InlineAnimation(5s linear) {
+                        0% {
+                            width: 100%;
+                        }
+                        100% {
+                            width: 0%;
+                        }
+                    }
+                }
+
+                &.timedButtonSlow::after {
+                    @include InlineAnimation(10s linear) {
+                        0% {
+                            width: 100%;
+                        }
+                        100% {
+                            width: 0%;
                         }
                     }
                 }
diff --git a/src/js/changelog.js b/src/js/changelog.js
index f079cafa..00c4ec5f 100644
--- a/src/js/changelog.js
+++ b/src/js/changelog.js
@@ -1,4 +1,12 @@
 export const CHANGELOG = [
+    {
+        version: "1.1.9",
+        date: "02.07.2020",
+        entries: [
+            "There are now notifications every 15 minutes in the demo version to buy the full version (For further details and the reason, check the #surveys channel in the discord)",
+            "I'm still working on the wires update, I hope to release it mid july!",
+        ],
+    },
     {
         version: "1.1.18",
         date: "27.06.2020",
diff --git a/src/js/core/modal_dialog_elements.js b/src/js/core/modal_dialog_elements.js
index 0902a193..47c03616 100644
--- a/src/js/core/modal_dialog_elements.js
+++ b/src/js/core/modal_dialog_elements.js
@@ -151,6 +151,7 @@ export class Dialog {
 
                 const params = (rawParams || "").split("/");
                 const useTimeout = params.indexOf("timeout") >= 0;
+                const useTimeoutSlow = params.indexOf("timeoutSlow") >= 0;
 
                 const isEnter = params.indexOf("enter") >= 0;
                 const isEscape = params.indexOf("escape") >= 0;
@@ -167,6 +168,16 @@ export class Dialog {
                     }, 5000);
                     this.timeouts.push(timeout);
                 }
+
+                if (useTimeoutSlow) {
+                    button.classList.add("timedButtonSlow");
+                    const timeout = setTimeout(() => {
+                        button.classList.remove("timedButtonSlow");
+                        arrayDeleteValue(this.timeouts, timeout);
+                    }, 10000);
+                    this.timeouts.push(timeout);
+                }
+
                 if (isEnter || isEscape) {
                     // if (this.app.settings.getShowKeyboardShortcuts()) {
                     // Show keybinding
diff --git a/src/js/game/hud/hud.js b/src/js/game/hud/hud.js
index 1bbc2041..3de09aff 100644
--- a/src/js/game/hud/hud.js
+++ b/src/js/game/hud/hud.js
@@ -38,6 +38,7 @@ import { HUDColorBlindHelper } from "./parts/color_blind_helper";
 import { HUDShapeViewer } from "./parts/shape_viewer";
 import { HUDWiresOverlay } from "./parts/wires_overlay";
 import { HUDChangesDebugger } from "./parts/debug_changes";
+import { HUDStandaloneReminder } from "./parts/standalone_reminder";
 
 export class GameHUD {
     /**
@@ -103,6 +104,7 @@ export class GameHUD {
 
         if (IS_DEMO) {
             this.parts.watermark = new HUDWatermark(this.root);
+            this.parts.standaloneReminder = new HUDStandaloneReminder(this.root);
         }
 
         if (G_IS_DEV && globalConfig.debug.renderChanges) {
diff --git a/src/js/game/hud/parts/standalone_reminder.js b/src/js/game/hud/parts/standalone_reminder.js
new file mode 100644
index 00000000..238fe20c
--- /dev/null
+++ b/src/js/game/hud/parts/standalone_reminder.js
@@ -0,0 +1,40 @@
+import { BaseHUDPart } from "../base_hud_part";
+import { T } from "../../../translations";
+import { THIRDPARTY_URLS } from "../../../core/config";
+
+// How often to show the dialog
+const DIALOG_INTERVAL = 15;
+
+// When to start showing the dialogs
+const DIALOG_START_INTERVAL = 15;
+
+export class HUDStandaloneReminder extends BaseHUDPart {
+    initialize() {
+        this.lastMinutesHintShown = DIALOG_START_INTERVAL - DIALOG_INTERVAL;
+    }
+
+    getMinutesPlayed() {
+        return Math.floor(this.root.time.now() / 60.0);
+    }
+
+    showHint() {
+        this.root.app.analytics.trackUiClick("demonotice_show");
+        const { getStandalone } = this.root.hud.parts.dialogs.showWarning(
+            T.dialogs.buyFullVersion.title,
+            T.dialogs.buyFullVersion.desc.replace("<minutes>", "" + this.getMinutesPlayed()),
+            ["later:bad:timeoutSlow", "getStandalone:good"]
+        );
+        getStandalone.add(() => {
+            this.root.app.analytics.trackUiClick("demonotice_click");
+            this.root.app.platformWrapper.openExternalLink(THIRDPARTY_URLS.standaloneStorePage);
+        });
+    }
+
+    update() {
+        const minutesPlayed = this.getMinutesPlayed();
+        if (this.lastMinutesHintShown + DIALOG_INTERVAL < minutesPlayed) {
+            this.lastMinutesHintShown = minutesPlayed;
+            this.showHint();
+        }
+    }
+}
diff --git a/translations/base-en.yaml b/translations/base-en.yaml
index 930e5f29..60c2c198 100644
--- a/translations/base-en.yaml
+++ b/translations/base-en.yaml
@@ -268,6 +268,11 @@ dialogs:
         title: Export screenshot
         desc: You requested to export your base as a screenshot. Please note that this can be quite slow for a big base and even crash your game!
 
+    buyFullVersion:
+        title: Enjoy the game?
+        desc: >-
+            You are already playing the demo for <minutes> minutes! Please get the standalone on steam for all features and to support me!<br><br>PS: It has a dark mode, and you can import your savegame to continue where you left! :P
+
 ingame:
     # This is shown in the top left corner and displays useful keybindings in
     # every situation
diff --git a/version b/version
index b0c8928e..3a21f22a 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-1.1.18
\ No newline at end of file
+1.1.19
\ No newline at end of file