# Galaxy Defense War

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

- Steam appid: 3953060
- Developer: Zero Space
- Released: 2025 · Genre: Casual · List price: $7.72
- Deal grade: B (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $1.6k to $2.4k per month (mid $2.0k)
- Opportunity score: $3.2k/month at x1.60 dormancy multiplier
- Est. lifetime owners: 3.6k · Est. lifetime net revenue: $9.3k
- Review sentiment: 96% positive across 138 reviews (112 from Steam purchases)
- Review velocity: 30.5 reviews/month (6-month average)

## Why it's flagged

- No developer announcement on record, ever
- Last build shipped 7 months ago

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $3.6k |
| After VAT / sales tax (-13% blended) | $3.1k |
| After refunds (-9.5% median) | $2.8k |
| Net to developer (after Steam 30%) | $2.0k |

## Monthly review counts, oldest to newest (4 months)

120, 0, 1, 1

## Estimated acquisition range

$47.4k to $94.7k (2-4x the trailing net annuity of $23.7k/year). Same error range applies.

## Markets by review language

- russian: 2%
- japanese: 1%
- schinese: 97%

## Analyst notes (AI-assisted)

Galaxy Defense War is a casual tower-defense title launched in early 2025 by solo developer Zero Space, currently generating ~$2k/mo in residual revenue.

A 96%-positive indie with modest but stable cashflow ($1.97k/mo mid estimate) and zero discount activity suggests strong organic pricing power and player sentiment. At $9.3k lifetime net on 3.6k units, the title has found a niche audience willing to pay full price; the real opportunity lies in localization expansion (Simplified Chinese reviews dominate at 107/138) and whether international publishing partnerships could unlock the apparent Asian demand signal. Not a breakout acquisition target, but interesting for publishers seeking low-risk catalog adds with proven retention mechanics.

- Most realistic play: publishing
- Risk (market): Casual tower-defense genre is saturated; differentiation unclear from review excerpts provided, making growth ceiling difficult to assess.
- Risk (other): Developer is a solo studio with only one title; capacity to support post-launch content, live ops or localization scaling is unknown.
- Risk (tech): No developer communication logged (months_since_dev_post is -1) and no discount promotions in 12 months may indicate minimal ongoing support or marketing intent.

Suggested first moves:
1. Verify Simplified Chinese audience composition and monetization: the 107/138 Chinese-language reviews suggest untapped regional demand; confirm whether sales are organic or driven by key-reseller channels (18.8% key share is moderate but worth validating).
2. Audit developer roadmap and capacity: contact Zero Space to understand post-launch plans, live-ops cadence and willingness to partner on localization or publishing expansion in Asia-Pacific markets.
3. Test regional pricing and promotion: run A/B promotions in key Asian markets to measure elasticity (-1 suggests inelastic demand at current $7.72 price); if conversion improves, a regional publishing deal could unlock 2-3x monthly revenue.

Generated 2026-08-21 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/3953060
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.