v1.2.2-6 Update — KeyFortress Steam update #1013875

⚙ New: Sandbox Custom Mode A brand new game mode that lets you freely customize game parameters. Create your own difficulty — from relaxed typing practice to extreme nightmare challenge. **How to use:** 1. Main Menu → Select Word Book 2. Toggle the **SANDBOX** switch (top-right corner) 3. All word books will show an amber glow — click any one to open the settings panel 4. Adjust 9 parameters with sliders, or pick a preset (Easy / Normal / Hard / Nightmare) 5. Choose an upgrade mode: Standard, Hardcore, or Fully Auto 6. Hit Start and dive in! **Adjustable parameters:** Spawn Rate, Enemy HP/Damage/Speed, Word Timer (seconds), Kills Per Wave, Starting HP, Elite Chance, Score Multiplier • Sandbox games do NOT affect global leaderboards or Steam stats • Your settings are auto-saved for next time 🛠 Fixes • Fixed tutorial stage save/load issue — all tutorial stages now unlocked, completed stage...