diff --git a/db/migrate/20260413005433_seed_platforms.rb b/db/migrate/20260413005433_seed_platforms.rb
new file mode 100644
index 0000000..8fbf31e
--- /dev/null
+++ b/db/migrate/20260413005433_seed_platforms.rb
@@ -0,0 +1,54 @@
+class SeedPlatforms < ActiveRecord::Migration[8.1]
+  def up
+    platforms = [
+      # Nintendo
+      { name: "Nintendo Entertainment System", abbreviation: "NES", manufacturer: "Nintendo" },
+      { name: "Super Nintendo Entertainment System", abbreviation: "SNES", manufacturer: "Nintendo" },
+      { name: "Nintendo 64", abbreviation: "N64", manufacturer: "Nintendo" },
+      { name: "Nintendo GameCube", abbreviation: "GCN", manufacturer: "Nintendo" },
+      { name: "Nintendo Wii", abbreviation: "Wii", manufacturer: "Nintendo" },
+      { name: "Nintendo Wii U", abbreviation: "Wii U", manufacturer: "Nintendo" },
+      { name: "Nintendo Switch", abbreviation: "Switch", manufacturer: "Nintendo" },
+      { name: "Game Boy", abbreviation: "GB", manufacturer: "Nintendo" },
+      { name: "Game Boy Color", abbreviation: "GBC", manufacturer: "Nintendo" },
+      { name: "Game Boy Advance", abbreviation: "GBA", manufacturer: "Nintendo" },
+      { name: "Nintendo DS", abbreviation: "NDS", manufacturer: "Nintendo" },
+      { name: "Nintendo 3DS", abbreviation: "3DS", manufacturer: "Nintendo" },
+
+      # Sony
+      { name: "PlayStation", abbreviation: "PS1", manufacturer: "Sony" },
+      { name: "PlayStation 2", abbreviation: "PS2", manufacturer: "Sony" },
+      { name: "PlayStation 3", abbreviation: "PS3", manufacturer: "Sony" },
+      { name: "PlayStation 4", abbreviation: "PS4", manufacturer: "Sony" },
+      { name: "PlayStation 5", abbreviation: "PS5", manufacturer: "Sony" },
+      { name: "PlayStation Portable", abbreviation: "PSP", manufacturer: "Sony" },
+      { name: "PlayStation Vita", abbreviation: "Vita", manufacturer: "Sony" },
+
+      # Microsoft
+      { name: "Xbox", abbreviation: "Xbox", manufacturer: "Microsoft" },
+      { name: "Xbox 360", abbreviation: "X360", manufacturer: "Microsoft" },
+      { name: "Xbox One", abbreviation: "XB1", manufacturer: "Microsoft" },
+      { name: "Xbox Series X/S", abbreviation: "XSX", manufacturer: "Microsoft" },
+
+      # Sega
+      { name: "Sega Genesis", abbreviation: "Genesis", manufacturer: "Sega" },
+      { name: "Sega Saturn", abbreviation: "Saturn", manufacturer: "Sega" },
+      { name: "Sega Dreamcast", abbreviation: "DC", manufacturer: "Sega" },
+      { name: "Sega Game Gear", abbreviation: "GG", manufacturer: "Sega" },
+
+      # PC
+      { name: "PC", abbreviation: "PC", manufacturer: nil },
+
+      # Other
+      { name: "Atari 2600", abbreviation: "2600", manufacturer: "Atari" }
+    ]
+
+    platforms.each do |platform|
+      Platform.create!(platform)
+    end
+  end
+
+  def down
+    Platform.delete_all
+  end
+end