i could personally recommend plenty, the ones which are my personal favorites i have listed here! https://itch.io/c/2437513/if-games
Most similar to Sinners and Saints I'd say are the games:
- Water to Blood (in development)
- When Twilight Strikes (in development)
- Superstition S1 & S2 (both finished)
- Greenwarden (in development)
- Larkin (in development)
- Speaker (in development)