Heartworm

Retro survival horror with a camera as your weapon

Vincent Adinolfi · Published by DreadXP · Released Jul 31, 2025

As of Oct 28, 2026: -40% right now, $8.99

Reviews: Very Positive; 87% of 477
Recent reviews: Mostly Positive; 72% of 18 in 30 days
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 3 months ago; Jul 22, 2026
Minimum PC: DX10; 8 GB RAM · 8 GB disk; Full requirements

What is Heartworm?

Heartworm is a single-player, third-person horror adventure that follows Sam to a supposedly supernatural mountain house as she tries to contact her dead grandfather. You explore and solve puzzles, with limited combat and multiple endings.

For you if...

+you want optional tank controls and retro visual filters
+you prefer short, story-focused games over lengthy campaigns

Not for you if...

−you want frequent combat rather than exploration and puzzles

What players say

87% of 477 reviews are positive · 72% of 18 in the last 30 days

Players praise the retro art direction, music, and atmosphere. Common complaints concern combat that feels too easy or frustrating, while some players say the game lacks tension.

Screenshots and trailer

Heartworm system requirements

Minimum: DX10, 8 GB RAM, 8 GB of disk space.

As published by the developer.

Can my PC run Heartworm?

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Minimum

OS: Windows 7 (SP1+) or Windows 10
Processor: x86, x64 architecture with SSE2 instruction set support
Graphics: DX10, DX11, DX12 capable
Memory: 8 GB RAM
Storage: 8 GB available space
DirectX: Version 10

Does Heartworm have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Heartworm run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 19
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English. Text only: French, German, Japanese, Portuguese - Brazil, Spanish - Latin America.

Does Heartworm use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam