Choose Heartworm
Choose Heartworm if you want the Custom Volume Controls, Stereo Sound, and Playable without Timed Input side of the pairing. Heartworm launched in 2025.
Heartworm vs Carnival Massacre
Heartworm and Carnival Massacre both land in Action, 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 Action, Indie, Adventure on Steam. Both released in 2025. Carnival Massacre scores higher on Steam reviews (91.2% positive) than Heartworm (86.6% positive). 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 Carnival Massacre
Choose Carnival Massacre if it carries the stronger Steam consensus at 91.2% positive across 136 reviews.
Both Heartworm and Carnival Massacre sit in Action, Indie, and Adventure 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
 Heartworm |  Carnival Massacre | |
|---|---|---|
| Released | 2025 | 2025 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Deck Verified |
| Price | 14.99 USD | 4.99 USD |
| Steam reviews | 86.6% positive (351 reviews) | 91.2% positive (136 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Vincent Adinolfi | Norbert Baranyi |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Both released in 2025.
- Carnival Massacre scores higher on Steam reviews (91.2% positive) than Heartworm (86.6% positive).
- Carnival Massacre is currently ~67% cheaper on Steam than Heartworm (4.99 USD vs. 14.99 USD).
- Both are Deck Verified.
Heartworm vs Carnival Massacre — FAQ
- Which is better, Heartworm or Carnival Massacre?
- On Steam reviews Carnival Massacre scores higher (91.2% positive) than Heartworm (86.6% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Carnival Massacre is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Are Heartworm and Carnival Massacre similar?
- They overlap on Action, 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.
- Do Heartworm and Carnival Massacre both run on Steam Deck?
- Yes — both are Steam Deck Verified, meaning Valve confirms they run with full controller support, legible text, and default settings out of the box.