2:35Under the SpellFamiliars
Summon and merge familiars on the tactical board to defend your mansion against waves of skeletons.
Alchemist Yve Nocturne guards an ancestral mansion constructed above an ancient sealed graveyard. As restless skeleton armies emerge each evening, you spend mana to summon familiars onto defensive sigils, merging three of any kind to upgrade their powers before monsters breach the doors.
- Google Play · Closed testing
- App Store · In review

Summon familiars onto the alchemy counter and fuse three of a kind to hold off incoming skeleton waves.

- Power
- 0
- Skeletons
- 0/14
Arrows move · Enter select · S summon · or drag one onto a twin
- 01
Summon
Spend accumulated mana to summon familiars onto the reserve board.
- 02
Three-Way Merge
Combine three identical familiars to evolve them into a stronger tier.
- 03
Strategic Placement
Drag combat units onto tactical magic circles covering choke points and pathways.
- 04
Wave Defense
Survive fifteen enemy waves and three stage bosses in compact six-to-eight minute matches.
- 01
Interactive Heroine
Yve responds to battlefield developments in real time with contextual portrait expressions.
- 02
Mass Monster Waves
Repel dense swarms of hundreds of skeletons with screen-shaking area attacks and boss takedowns.
- 03
Dynamic Stage Hazards
Navigate fog-covered courtyards, dropping portcullises, and surprise graveyard breaches.
- 04
Offline Protection
Complete offline functionality with no advertisements, in-app billing, or account registrations.
Next update Additional story chapters, challenge stages, and new familiar types are currently in development.

Yve Nocturne
Alchemist, summoner

Grim
Familiar

Moon Rabbit
Nocturne House
An ancestral estate at the edge of town built atop an ancient sealed catacomb whose defensive wards are failing.
- 01
Under the Spell2025-10-21SpotifyYouTube
- Catalogue
- UNF-G03
- Genre
- Merge tower defense
- Orientation
- Portrait
- Session
- 6 to 8 minutes per match
- Language
- Korean, English
- Engine
- Godot 4.5
- Network
- Offline play
- Monetization
- None
- Age rating
- GRAC 12 · PEGI 7 · ESRB E10+
- Platforms
- Google Play: Closed testing · App Store: In review
- Privacy policy
- /games/witch/privacy.html
Under the Spell: Familiars
Summon and merge familiars on the tactical board to defend your mansion against waves of skeletons.
- Google Play · Closed testing
- App Store · In review
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