CAMPAIGN: Win to unlock next level. Lose → RETRY. Progress saves. Replay any unlocked level. CIPHER:A/D move, W jump, S block, F punch, G kick, Shift dash, 1/2/3 skills MECHANICS: Facing + range required. Hold block 65% reduction. Dash cooldown. Skills unlock at LV 3,5,8… Bosses have armor/phases. BOSSES: LV 10,20,30,40,50 — unique mechanics, armor, phase transitions SKILLS: No mana — permanent unlocks. Each has startup/active/recovery. Counter-play exists. Rebind: ⚙ Settings → click a key → press new key