Choose Sigma Impact
Choose Sigma Impact if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen PvP side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Sigma Impact launched in 2021.
Sigma Impact vs Straight to the Bone
Sigma Impact and Straight to the Bone both land in Action, Indie 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 Action, Indie on Steam. Sigma Impact (2021) is 3 years older than Straight to the Bone (2024). Straight to the Bone is currently ~40% cheaper on Steam than Sigma Impact (2.99 USD vs. 4.99 USD). 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 Straight to the Bone
Choose Straight to the Bone if you want a Strategy, Casual, and Early Access game with Steam Leaderboards. On Steam, it's currently about 40% cheaper on the Steam Store. Straight to the Bone launched in 2024.
Both Sigma Impact and Straight to the Bone sit in Action and Indie on Steam, 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
 Sigma Impact |  Straight to the Bone | |
|---|---|---|
| Released | 2021 | 2024 |
| Genres | Action, Indie | Action, Strategy, Indie, Casual, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 4.99 USD | 2.99 USD |
| Steam reviews | 96.3% positive (82 reviews) | 3 reviews |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Single-player only |
| Developers | John Bishop | Foreign Acid |
Side by side
- Both share Action, Indie on Steam.
- Sigma Impact (2021) is 3 years older than Straight to the Bone (2024).
- Straight to the Bone is currently ~40% cheaper on Steam than Sigma Impact (2.99 USD vs. 4.99 USD).
- Sigma Impact has co-op; Straight to the Bone does not.
- Sigma Impact is Deck Verified on Steam Deck; Straight to the Bone has no Deck rating yet.
Sigma Impact vs Straight to the Bone — FAQ
- Should I play Sigma Impact or Straight to the Bone first?
- If you want chronology, Sigma Impact (2021) came out before Straight to the Bone (2024). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Sigma Impact and Straight to the Bone similar?
- They overlap on Action, Indie 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.
- Does Straight to the Bone have multiplayer like Sigma Impact?
- No. Sigma Impact supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Straight to the Bone is listed as single-player only.
- Does Sigma Impact run on Steam Deck?
- Yes — Sigma Impact is rated Deck Verified by Valve. Straight to the Bone doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.