NACHTMAHR is an 8-bit gothic action platformer in the spirit of the classic NES/SNES vampire hunts – free to play right in your browser, no download.
Anno 1691. Every hundred years Count Nachtmahr awakens beneath the blood moon… Choose Henrik with his whip or Ragnor, the northern barbarian with broadsword and grappling rope, and fight through 3 stages and 10 rooms up to the Count's throne.
Features
• 2 heroes, 3 stages, 3 bosses with cinematic entrances, phase-2 music escalation and a slow-motion finale
• Attacks in 8 directions, double jump, slide, sub-weapons and the "Holy Storm" super move
• Arcade flow: READY?/GO!, combo announcer, stage ranks S–D, best times, high-score table with initials and an attract-mode demo
• SNES-style effects: swaying bell tower, rotating Mode-7 chandeliers and tunnel, boss camera zoom, spinning rose window, mosaic transitions
• Blood-moon candles: 12 seconds of double points
• Original chiptune soundtrack synthesized live, positional stereo sound and ambience for every area
• Narration and voice lines in 6 languages (DE, EN, FR, ES, JA, ZH)
• Keyboard, Xbox/standard gamepad and touch controls; easy mode and assist options
DE: 8-Bit-Gothic-Action-Platformer im Stil der klassischen Vampirjagden – gratis im Browser. 2 Helden, 3 Stages, 3 Bosse, Bestenliste, Attract-Modus und SNES-Effekte.
About this game
Can I run it?
Whip your way through a cursed castle under the blood moon – an 8-bit gothic platformer with SNES-style effects, 3 bosses and arcade high scores.
- Platforms
- Browser
- Controls
- Keyboard: arrows/WASD move & climb stairs · Z/K/Space jump (twice = double jump) · X/J attack (+direction, hold to spin) · C sub-weapon (hold = Holy Storm) · Down+Z slide · Enter pause · M sound · F fullscreen. Gamepad (Xbox/standard): stick/D-pad, A jump, X/B attack, Y sub-weapon, Menu pause. Touch: on-screen stick and buttons.
- Play mode
- single-player
- Release status
- complete
- System requirements
- Any up-to-date browser (Chrome, Edge, Firefox, Safari) on desktop, laptop, tablet or phone; also runs in the Xbox Edge browser with a controller. No install, no download. A low-power mode switches on automatically on weaker devices.
- Mod dependencies
- Standalone original game – no base game or mod required. Code, pixel art, music and sound effects were made for this project. Source code: https://github.com/madd1in/nacht
- AI assistance
- Made by madouki with AI assistance. The game code was written with Claude Code (Anthropic). Sprites and tiles are drawn procedurally in code; the chiptune music and sound effects are synthesized live in the browser (Web Audio). Narration and voice lines in English, French, Spanish, Japanese and Chinese were generated with ElevenLabs; German uses the browser's built-in speech synthesis. Cover art is composed from in-game graphics.
- Support
- Bug reports & feedback: https://github.com/madd1in/nacht/issues · Mastodon: @madouki@mastodon.social
- Update information
- Build 20261015-1100 (15 Oct 2026): HUD damage trails, boss health bar fills on entrance, 1UP indicator, muffled music in the pause menu, music mix fix. Earlier: high-score table with initials, attract mode, arcade ranks S–D, blood-moon candles, Mode-7 set pieces, Xbox Edge fixes.
Screenshots
For mods, check the creator’s description for required base games. Downloads are hosted by the creator.