# Kingdom Heroes 8

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

- Steam appid: 875210
- Developer: USERJOY Technology Co.,Ltd.
- Released: 2021 · Genre: Action · List price: $29.99
- Deal grade: B (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $1.5k to $2.3k per month (mid $1.9k)
- Opportunity score: $3.6k/month at x1.85 dormancy multiplier
- Est. lifetime owners: 409.3k · Est. lifetime net revenue: $3.1M
- Review sentiment: 54% positive across 14707 reviews (12790 from Steam purchases)
- Review velocity: 10.3 reviews/month (6-month average)

## Why it's flagged

- Developer silent for 13 months
- Studio quiet across its whole catalog
- Last build shipped 3.8 years ago
- Store page localized in only 4 language(s)

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $3.5k |
| After VAT / sales tax (-13% blended) | $3.1k |
| After refunds (-9.5% median) | $2.8k |
| Net to developer (after Steam 30%) | $1.9k |

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

22, 37, 18, 23, 23, 26, 12, 19, 16, 22, 13, 30, 28, 16, 23, 15, 15, 15, 8, 8, 12, 12, 12, 10

## Estimated acquisition range

$46.4k to $92.7k (2-4x the trailing net annuity of $23.2k/year). Same error range applies.

## Analyst notes (AI-assisted)

Kingdom Heroes 8 is a 2021 action game by USERJOY Technology generating steady residual revenue despite minimal marketing activity.

The title sits in a curious middle ground: it earned ~$3M lifetime on ~409K units with a 54% positive ratio, yet shows almost no developer engagement (13 months since last post) and declining monthly revenue around $1.9K/mo. The game is not mainstream enough to command acquisition premium, but its quiet revenue stream and modest pricing ($29.99) suggest stable, low-friction catalog potential for a publisher seeking portfolio depth. The primary risk is IP entanglement or technical decay without active support.

- Most realistic play: watch
- Risk (tech): 45+ months since build with no reported updates; multiplayer or server-dependent features may face latency or stability issues.
- Risk (market): Positive sentiment is marginal (54%), and review velocity is sparse (~10/mo); expansion or revival would require significant investment to rebuild player trust.
- Risk (other): Developer studio marked as 'fading' with 8 titles total; unclear whether USERJOY retains active capacity to support a transition or licensing deal.

Suggested first moves:
1. Verify IP ownership status and any third-party licensing clauses in USERJOY's publishing agreement before engagement.
2. Conduct technical audit on server architecture, anti-cheat, and backend stability to assess cost of ownership.
3. Monitor the next 2-3 months of sales velocity and review ratio; if residual drops below $1.5K/mo or sentiment declines, deprioritize.

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/875210
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.