diff --git a/app/views/admin/game_systems/_form.html.erb b/app/views/admin/game_systems/_form.html.erb
index 1367e21..be5e415 100644
--- a/app/views/admin/game_systems/_form.html.erb
+++ b/app/views/admin/game_systems/_form.html.erb
@@ -1,8 +1,8 @@
-<% # locals: (game_system: @game_system, button_text:, url:) %>
+<%# locals: (game_system: @game_system, button_text:, url:) %>
 
 <%= form_with model: @game_system, url: do |f| %>
   <%= f.label :name %>
-  <%= f.text_field :name %>
+  <%= f.text_field :name, required: true %>
 
   <%= f.submit button_text %>
 <% end %>
diff --git a/app/views/sessions/new.html.erb b/app/views/sessions/new.html.erb
index 48372cd..33427d2 100644
--- a/app/views/sessions/new.html.erb
+++ b/app/views/sessions/new.html.erb
@@ -5,10 +5,10 @@
 <section class="inset">
   <%= form_with url: sessions_path do |f| %>
     <%= f.label :username %>
-    <%= f.text_field :username %>
+    <%= f.text_field :username, required: true %>
 
     <%= f.label :password %>
-    <%= f.password_field :password %>
+    <%= f.password_field :password, required: true %>
 
     <%= f.submit t(".log_in") %>
   <% end %>
diff --git a/app/views/tables/_form.html.erb b/app/views/tables/_form.html.erb
index d819d90..1596ad3 100644
--- a/app/views/tables/_form.html.erb
+++ b/app/views/tables/_form.html.erb
@@ -2,10 +2,10 @@
 
 <%= form_with model: @table do |f| %>
   <%= f.label :name %>
-  <%= f.text_field :name %>
+  <%= f.text_field :name, required: true %>
 
   <%= f.label :game_system_id %>
-  <%= f.collection_select :game_system_id, GameSystem.all, :id, :name %>
+  <%= f.collection_select :game_system_id, GameSystem.all, :id, :name, required: true %>
 
   <%= f.submit button_text %>
 <% end %>
diff --git a/app/views/users/_form.html.erb b/app/views/users/_form.html.erb
index 2a501e3..73f1515 100644
--- a/app/views/users/_form.html.erb
+++ b/app/views/users/_form.html.erb
@@ -3,7 +3,7 @@
 <section class="inset">
   <%= form_with model: user do |f| %>
     <%= f.label :username %>
-    <%= f.text_field :username %>
+    <%= f.text_field :username, required: true %>
 
     <%= f.label :first_name %>
     <%= f.text_field :first_name %>
@@ -12,13 +12,13 @@
     <%= f.text_field :last_name %>
 
     <%= f.label :email %>
-    <%= f.text_field :email %>
+    <%= f.text_field :email, required: true %>
 
     <%= f.label :password %>
-    <%= f.password_field :password %>
+    <%= f.password_field :password, required: true %>
 
     <%= f.label :password_confirmation %>
-    <%= f.password_field :password_confirmation %>
+    <%= f.password_field :password_confirmation, required: true %>
 
     <%= f.submit button_text %>
   <% end %>
diff --git a/todo.md b/todo.md
index 2bb8cd4..49b5a71 100644
--- a/todo.md
+++ b/todo.md
@@ -1,4 +1,5 @@
 - Ensure form errors/flash show correctly
 - Add players to tables
+  - notifications
 - Add characters to users/tables
 - Character sheets/prototypes