diff --git a/schema/games.yaml b/schema/games.yaml
index e1f00ce69..ba3045ea6 100644
--- a/schema/games.yaml
+++ b/schema/games.yaml
@@ -33,9 +33,19 @@ schema;game:
     development:
       type: str
       enum: ['complete', 'very active', 'active', 'sporadic', 'halted']
+      desc: |
+        Complete: development stopped but game is complete<br>
+        Very active: many commits within the past week<br>
+        Active: commits within the past month<br>
+        Sporadic: commits within the past year<br>
+        Halted: no commits within the past year
     status:
       type: str
       enum: ['playable', 'semi-playable', 'unplayable']
+      desc: |
+        Playable: all major features working, full game can be completed<br>
+        Semi-playable: game runs and some parts of the game playable<br>
+        Unplayable: game cannot be played, e.g. can only load assets
     multiplayer:
       type: seq
       sequence:
@@ -45,6 +55,11 @@ schema;game:
     content:
       type: str
       enum: ['commercial', 'free', 'open', 'swappable']
+      desc: |
+        Commercial: requires data from original game, which is not free<br>
+        Free: game data is free or can be obtained for free<br>
+        Open: game data has an open source license<br>
+        Swappable: game data is commercial but can be swapped with open source replacements
     lang:
       type: seq
       desc: Main programming language(s) used for the game, e.g. C++
diff --git a/schema/originals.yaml b/schema/originals.yaml
index ade841ac8..9c90fc3b0 100644
--- a/schema/originals.yaml
+++ b/schema/originals.yaml
@@ -9,14 +9,17 @@ sequence:
         type: seq
         sequence:
           - type: str
+        desc: Alternate names for this game
       external:
         required: True
         type: map
         mapping:
           website:
             type: str
+            desc: URL of official website
           wikipedia:
             type: str
+            desc: Title of Wikipedia article
       platform:
         type: seq
         sequence:
diff --git a/templates/forms/page.jinja2 b/templates/forms/page.jinja2
index 1ab4df8ed..5ffa7a030 100644
--- a/templates/forms/page.jinja2
+++ b/templates/forms/page.jinja2
@@ -91,5 +91,10 @@
 <script src="https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/run_prettify.js"></script>
 <script src="{{ static_url }}/tagsinput/tagsinput.js"></script>
 <script src="{{ static_url }}/main.js"></script>
+<script>
+$(document).ready(function() {
+  $('[data-toggle="tooltip"]').tooltip()
+})
+</script>
 </body>
 </html>
diff --git a/templates/forms/types/str.jinja2 b/templates/forms/types/str.jinja2
index fcf276923..e005c418e 100644
--- a/templates/forms/types/str.jinja2
+++ b/templates/forms/types/str.jinja2
@@ -9,7 +9,9 @@ https://pykwalify.readthedocs.io/en/unstable/validation-rules.html#range
 {% if schema.get("enum") %}
   {% if schema["enum"]|length <= MAX_RADIO_BUTTONS %}
     {% for s_value in schema["enum"] %}
-      <div class="form-check">
+      <div class="form-check"
+        {% if "desc" in schema %}data-toggle="tooltip" data-placement="left" data-html="true" title="{{ schema["desc"]|e }}"{% endif %}
+      >
         <input
           type="radio"
           class="form-check-input"