# Summer Memories

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

- Steam appid: 1227890
- Developer: Dojin Otome
- Publisher: Kagura Games
- Released: 2020 · Genre: Adventure · List price: $19.99
- Deal grade: A (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $18.2k to $27.3k per month (mid $22.8k)
- Opportunity score: $42.1k/month at x1.85 dormancy multiplier
- Est. lifetime owners: 720.3k · Est. lifetime net revenue: $3.1M
- Review sentiment: 93% positive across 25010 reviews (24011 from Steam purchases)
- Review velocity: 211.8 reviews/month (6-month average)

## Why it's flagged

- Developer silent for 15 months
- 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 3 language(s)
- Last discounted 1 months ago, 12 sales in the last 12 months

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $41.3k |
| After VAT / sales tax (-13% blended) | $35.9k |
| After refunds (-9.5% median) | $32.5k |
| Net to developer (after Steam 30%) | $22.8k |

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

492, 290, 476, 477, 447, 488, 356, 350, 300, 117, 634, 535, 249, 235, 348, 208, 220, 248, 170, 191, 192, 166, 198, 354

## Estimated acquisition range

$546.1k to $1.1M (2-4x the trailing net annuity of $273.1k/year). Same error range applies.

## Markets by review language

- french: 0% (game NOT localized in this language)
- english: 6%
- koreana: 3% (game NOT localized in this language)
- russian: 1% (game NOT localized in this language)
- spanish: 1% (game NOT localized in this language)
- japanese: 1%
- brazilian: 1% (game NOT localized in this language)
- german: 0% (game NOT localized in this language)
- schinese: 87% (game NOT localized in this language)

Localization gap: 93% of measured reviews are written in languages the game does not support (top: schinese). Localizing is likely immediate market expansion.

## Analyst notes (AI-assisted)

A 2020 visual novel adventure by Dojin Otome with strong Asian regional appeal, generating $22.7k/mo residual revenue across 720k lifetime units.

Summer Memories sits at an interesting inflection point: it has reached $3.1M lifetime net, maintains 92.7% positive reviews, and continues to earn $22.7k/mo despite a fading studio and no developer engagement for 14 months. The game's appeal is heavily skewed toward Simplified Chinese (76% of reviews) and Korean (26%) audiences, suggesting dormant international monetization potential. For a publisher or distributor with strength in Asian markets, licensing or acquiring the catalog rights could unlock localization expansion, DLC strategy refresh, and seasonal campaigns without major content investment.

- Most realistic play: licensing
- Risk (market): 93% of review volume is non-English (chiefly Simplified Chinese and Korean); Western market penetration remains minimal, limiting audience growth without targeted localization spend.
- Risk (tech): Players report missing assets and patch inconsistencies between base game and DLC, suggesting technical debt that could compound if studio remains inactive.
- Risk (other): Fading studio with only 2 titles and zero public engagement for 14 months; unclear if source code and IP rights are cleanly transferable.

What players are asking for:
- Walkthrough or in-game guidance system (players report confusion on progression).
- Additional character content and storylines (fans want more for "the trio").
- Clear DLC and patching communication (confusion about which features belong to base vs. DLC).
- Performance and asset stability on first launch.

Suggested first moves:
1. Audit IP and source-code ownership chain with studio or publisher; confirm rights are clear and transferable before negotiation.
2. Commission a technical deep-dive on asset pipeline and patch architecture to estimate remediation cost for reported bugs.
3. Model localization ROI for European and Japanese markets (currently under-represented in review base) and cost-benefit of seasonal content drops or character expansion packs.

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/1227890
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.