| App Type | game |
| Release Date | Feb 1, 2019 |
| Details Last Modified | August 3, 2026 (1 month ago) |
| Developer | Nkt Studio |
| Publisher | Sekai Project, Nkt Studio |
| Genres | RPG |
| Supported Systems |
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| Price | $14.99 |
| Required Age | 0+ |
| Achievements | 11 |
| Packages | 1 |
| Support | https://sekaiproject.com/pages/contact-us |
Serment - Contract with a Devil is a visual novel/dungeon crawler hybrid featuring highly tactical turn based RPG battles, challenging dungeon puzzles, optional minigames and most importantly, a lot of cute anime girls.
Family Sharing
Partial Controller Support
Single-player
Steam Achievements
Steam Trading Cards