Steam market intelligence
My Best Friend's Sister
72% positive · 454 Steam reviews · released Jan 9, 2026 · by Naughty Sister
What it likely sold — estimate, stated as a range on purpose
Lifetime units: ~15k
(P10–P90: 6k – 33k)
Gross revenue: ~$160k
(P10–P90: $63.8k – $351k)
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 7, 2026.
Player voice — measured shares of Steam thumbs, never a model
Story & writing79% positive · 102 mentions
“Concise Game Reviews: My Best Friend's Sister (Scroll down for the longer version) Game Value: ✅ Highly recommended for players who enjoy choice-driven visual novels built around temptation, loyalty, and consequences. After a wild night…”
Recommended · Steam review · Jan 2026 · 4 h played · Report / request removalVisuals & audio91% positive · 75 mentions
“Concise Game Reviews: My Best Friend's Sister (Scroll down for the longer version) Game Value: ✅ Highly recommended for players who enjoy choice-driven visual novels built around temptation, loyalty, and consequences. After a wild night…”
Recommended · Steam review · Jan 2026 · 4 h played · Report / request removalPrice & value42% positive · 31 mentions
“It's VERY, VERY SHORT. I mean, half an hour at best, if you're not busy doing something else while playing. LOL I was almost thinking about getting a refund, but the graphics (including girls) and animations are really good, and the…”
Recommended · Steam review · Jan 2026 · 1 h played · Report / request removalContent & longevity50% positive · 24 mentions
“Concise Game Reviews: My Best Friend's Sister (Scroll down for the longer version) Game Value: ✅ Highly recommended for players who enjoy choice-driven visual novels built around temptation, loyalty, and consequences. After a wild night…”
Recommended · Steam review · Jan 2026 · 4 h played · Report / request removalGameplay & mechanics77% positive · 13 mentions
“Concise Game Reviews: My Best Friend's Sister (Scroll down for the longer version) Game Value: ✅ Highly recommended for players who enjoy choice-driven visual novels built around temptation, loyalty, and consequences. After a wild night…”
Recommended · Steam review · Jan 2026 · 4 h played · Report / request removal314 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.