Choose Sinful Testament
Choose Sinful Testament if you want the Steam Input API Support side of the pairing.
Sinful Testament vs REDLINE — Strings of Fate
Sinful Testament and REDLINE — Strings of Fate both land in Indie, Adventure on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Indie, Adventure on Steam. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose REDLINE — Strings of Fate
Choose REDLINE — Strings of Fate if you want the DualShock Controller Support, Adjustable Text Size, and Custom Volume Controls side of the pairing.
Both Sinful Testament and REDLINE — Strings of Fate sit in Indie and Adventure on Steam and both list DualSense Controller Support, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Sinful Testament |  REDLINE — Strings of Fate | |
|---|---|---|
| Released | — | — |
| Genres | Indie, Adventure | Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Haven of Souls | Moteru Games |
Side by side
- Both share Indie, Adventure on Steam.
Sinful Testament vs REDLINE — Strings of Fate — FAQ
- Are Sinful Testament and REDLINE — Strings of Fate similar?
- They overlap on Indie, Adventure on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.