NightMare King
Release date: Oct 27, 2025
Developers: Starmoon Cat
Publishers: Starmoon Cat
Genres: Action, Casual, RPG, Strategy
Categories: Single-player, Steam Achievements, Full controller support, Camera Comfort, Custom Volume Controls, Adjustable Difficulty, Playable without Timed Input, Steam Cloud, Family Sharing
Supported languages: English, Japanese, Simplified Chinese, Korean, Traditional Chinese, German, Russian

Overview Nightmare King is a pixel-art roguelike bullet hell shooter where you choose a hero to enter dream maps. Survive wave after wave of monsters to become the “Nightmare King.” Each hero possesses unique passive skills and starting weapons. Through combat, you can refresh the shop to upgrade weapons and gear, crafting your own specialized playstyle. If you love pixel art, dazzling effects, satisfying mowing-down action, and strategic builds, don't miss out! Game Features Auto-shooting for easy accessibility. Fast-paced action with 20 waves per session, totaling about 30 minutes. Shop freely to build your playstyle: melee blades, magic spells, ranged bows/guns, summoning, survival loot, and more. Survive by maneuvering to collect coins, XP, and healing apples—accumulate wealth through extreme survival. Hundreds of characters, each with unique mechanics for distinct combat feel. Collectible encyclopedia to unlock more weapons and gear. Multiple maps delivering varied monster pressures. Adjustable difficulty for endless self-improvement through trials. Full Content List 42 distinctive playable characters: Dragonborn, Witch, Elf, Nun, Necromancer, and more. 80+ weapons: Greatswords, Staffs, Grimoires, Bows, Lasers, and more. 170+ pieces of gear: Stat boosts, counterattacks on damage, shop discounts, skill activation on pickup, and more. 8 arena maps: Catacombs, Sewers, Lawns, Cemeteries, Beaches, and more.