A collection of 365 unique castle logo designs — one for every day of the year.
Generated for SafeMode / Sandbox Everything: a cloud sandbox for AI that lets anyone run untrusted code safely without breaking their machine.
- Product: Cloud sandbox for AI — run untrusted code safely
- Audience: Non-tech everyday people (students, teachers, regular Americans)
- Login: Works with Google, ChatGPT, and other common auth providers
- Brand direction: Professional, trustworthy, broad appeal, accessible
| Range |
Style |
| 001–023 |
Minimalist / flat / geometric |
| 004–005 |
Neon / retro-pop / synthwave |
| 006–008 |
Pastel / friendly / consumer |
| 009–010 |
Shield + castle (safety metaphor) |
| 011–023 |
Line art / single-color / duotone |
| 024–050 |
Badges, frames, app icons, origami |
| 051–057 |
Low-poly, 3D, illustrated |
| 058–064 |
Sandbox metaphors (sandcastle, cloud, container) |
| 065–080 |
Conceptual combos (mountain, constellation, crown, etc.) |
| 081–090 |
Dark / enterprise (gold on black, silver) |
| 091–100 |
Textural (stamp, etching, stencil, wax, pixel art) |
| 101–110 |
3D rendered / AI-themed / holographic |
| 111–130 |
Illustrated, seasonal, architectural |
| 131–135 |
Wordmark integrations |
| 136–158 |
Historical & cultural styles (Art Deco, Bauhaus, Art Nouveau…) |
| 159–165 |
Product verticals (gaming, education, healthcare) |
| 166–200 |
Brand-style derivatives (Stripe, Vercel, Google, Figma…) |
| 201–240 |
Environments & metaphors (space, underwater, jungle, seasons) |
| 241–290 |
Tech overlays, accessibility, format variants |
| 291–320 |
Platform-style treatments & abstract concepts |
| 321–365 |
Special / final / hero versions |
All logos are PNG, 1:1 square aspect ratio (1024×1024) unless otherwise noted.
castle_356_ultra_wide_horizontal.png — 16:9 landscapecastle_357_tall_vertical_portrait.png — 9:16 portraitcastle_362_hero_final.png — recommended hero versioncastle_365_the_perfect_final.png — the final one
Free to use for any purpose.
