# Heat Signature

> ResidualPlay case file: an overlooked Steam game still earning residual revenue. Estimates carry a ±30-50% error range per title.

- Steam appid: 268130
- Developer: Suspicious Developments
- Released: 2017 · Genre: Action · List price: $14.99
- Deal grade: B (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $1.2k to $1.8k per month (mid $1.5k)
- Opportunity score: $3.1k/month at x2.10 dormancy multiplier
- Est. lifetime owners: 376.4k · Est. lifetime net revenue: $1.2M
- Review sentiment: 95% positive across 7413 reviews (6843 from Steam purchases)
- Review velocity: 18.5 reviews/month (6-month average)

## Why it's flagged

- Developer silent for 2.0 years
- Studio active elsewhere (3 titles tracked), so this one may welcome a partner
- Last build shipped 5.6 years ago
- Store page localized in only 1 language(s)
- Last discounted 1 months ago, 7 sales in the last 12 months

## Where a gross dollar goes (monthly, at current velocity)

| Stage | USD/month |
|---|---|
| Gross storefront sales | $2.7k |
| After VAT / sales tax (-13% blended) | $2.4k |
| After refunds (-9.5% median) | $2.1k |
| Net to developer (after Steam 30%) | $1.5k |

## Monthly review counts, oldest to newest (24 months)

34, 35, 16, 26, 23, 23, 18, 18, 15, 16, 19, 28, 8, 25, 18, 25, 16, 22, 23, 18, 15, 18, 13, 24

## Estimated acquisition range

$35.8k to $71.5k (2-4x the trailing net annuity of $17.9k/year). Same error range applies.

## Analyst notes (AI-assisted)

Heat Signature is a top-down sci-fi stealth-action roguelike where players infiltrate procedurally generated starships using gadgets and creative loadout synergies.

Heat Signature has generated $1.21M lifetime on 376k units at $14.99, maintains a 94.5% positive rating, and still earns $1,490/mo despite zero developer marketing in 24+ months. The steep difficulty curve and RNG balance issues limit mainstream appeal, but the core loop's reward cycle and gadget synergy depth appeal to a devoted audience. This is a strong candidate for hands-off catalog acquisition or a limited revival campaign targeting existing players with content (new gadgets, difficulty modes) that addresses the easy-to-brutal pacing complaints.

- Most realistic play: acquisition
- Risk (market): 94.5% positive rating masks polarized reception: players praise emergent gameplay and synergy, but reviews cite repetitiveness, procedural RNG imbalance, and a steep difficulty cliff that discourages mid-tier players.
- Risk (other): Developer (Suspicious Developments, Tom Francis) has posted no updates in 24+ months; acquisition would require clarifying IP chain of title and any ongoing support expectations.

What players are asking for:
- Difficulty balancing: smoother progression between 'trivial' and 'nearly impossible' contract tiers
- More gadget variety and synergy depth to sustain long-term replayability
- Quality-of-life: clearer tutorials on pause-mechanic cooldown system (multiple reviewers struggled initially)

Suggested first moves:
1. Acquire IP and audit codebase, player data pipeline, and Steam backend to assess maintenance burden and feasibility of lightweight content drops (new gadget tiers, difficulty presets, cosmetics).
2. Commission a short design audit addressing the two most-cited pain points: difficulty pacing (introduce intermediate 'normal' mode between easy and hard) and gadget synergy discovery (improved tutorial or loadout deck-builder UI).
3. Test a targeted revival campaign on existing players via email and Steam announcements of a patch addressing difficulty balance and quality-of-life, then measure uplift in reviews_per_month and residual revenue over 3 months.

Generated 2026-08-20 from public signals and player reviews. Directional, not diligence.

## Methodology

Units are estimated from Steam-purchase reviews times a release-cohort multiplier (Boxleiter method, 20-75x by year). Revenue uses an effective price (lifetime discounts and regional pricing) and nets out VAT (~13%), refunds (~9.5%) and Steam's 30% cut: roughly 55% of gross reaches the developer.

Source: https://residualplay.com/game/268130
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.