What it likely sold — estimate, stated as a range on purpose
Lifetime units: ~52,906
(P10–P90: 21,162 – 116,393)
Gross revenue: ~$1,301,054
($520,412 – $2,862,313)
Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band means: we'd be surprised if the truth sat outside it. How we estimate
Player voice — measured shares of Steam thumbs, never a model
Last 90 days: 71% positive across 63 stored reviews. Adventure games with 100+ reviews typically sit around 86% (median of 4160 games).
Story & writing76% positive · 180 mentions
“At 81 years old, I thought my gaming career would mostly involve yelling at the TV during bingo commercials and accidentally opening 47 browser tabs. Then I played Under the Waves. What a ride. This game has everything an 81-year-old gamer…”Recommended · Steam review · May 2026 · 9 h played
Visuals & audio85% positive · 100 mentions
“Sometimes there are games that are so intense that you sit there for a long time afterwards and ask yourself what you have just experienced. Games that manage to create tears and carry you along. Games that are so beautifully designed that…”Recommended · Steam review · Apr 2025 · 22 h played
Gameplay & mechanics70% positive · 80 mentions
“"The ocean is more ancient than the mountains, and freighted with the memories and the dreams of time." - H.P. Lovecraft This is a narrative focused exploration game with one of the most realistic and atmospheric depictions of the ocean…”Recommended · Steam review · Sep 2025 · 16 h played
Performance & stability68% positive · 62 mentions
“Sometimes there are games that are so intense that you sit there for a long time afterwards and ask yourself what you have just experienced. Games that manage to create tears and carry you along. Games that are so beautifully designed that…”Recommended · Steam review · Apr 2025 · 22 h played
Controls & UI74% positive · 54 mentions
“At 81 years old, I thought my gaming career would mostly involve yelling at the TV during bingo commercials and accidentally opening 47 browser tabs. Then I played Under the Waves. What a ride. This game has everything an 81-year-old gamer…”Recommended · Steam review · May 2026 · 9 h played
Price & value65% positive · 37 mentions
“"The ocean is more ancient than the mountains, and freighted with the memories and the dreams of time." - H.P. Lovecraft This is a narrative focused exploration game with one of the most realistic and atmospheric depictions of the ocean…”Recommended · Steam review · Sep 2025 · 16 h played
Content & longevity60% positive · 25 mentions
“This review is based on 100% completion and 9.2 hours of gameplay. Recommendation: Would I recommend the game? I would, as it offers a decent little experience, but it won’t be for everyone. The pace of the game is quite slow, and at…”Recommended · Steam review · Apr 2025 · 9 h played
300 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology