Steam market intelligence

Sickly Days and Summer Traces

95% positive · 2,050 Steam reviews · released Jun 20, 2025 · by Sister Position

What it likely sold — estimate, stated as a range on purpose

Lifetime units: ~67.7k (P10–P90: 27.1k – 149k)

Gross revenue: ~$1.1M (P10–P90: $444k – $2.4M)

Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band approximates where about 8 in 10 comparable games land in published studies; some sit outside it. Our own hit rate goes on the accuracy ledger once measured. How we estimate

Estimates are statistical inferences from public data. They are not sourced from Valve or the developer and may deviate materially from actual results. Do not rely on them for investment or contractual decisions. As of Jul 8, 2026.

Player voice — measured shares of Steam thumbs, never a model

Story & writing94% positive · 18 mentions

“Don't worry about my playtime, I have already bought and played this on dlsite. This visual novel accomplished everything that it has set out to do: It's a pure fluffy SoL with some emotional moments in-between, god-tier art, pretty good…”Recommended · Steam review · Jun 2025 · 1 h played · Report / request removal

55 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology

Reviews are shown as published on Steam, including reviews from key activations and free copies — so percentages here can differ from the score on the Steam store page. GameTrend does not check whether reviewers bought or played the game.

Game DNA — store facts, community tag votes, labeled AI inference

Business model

Buy to play

Sources: Valve store fields · community tag votes · AI-inferred values are marked and drawn from a fixed vocabulary.

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