Niche hub
36 games carry the tag · 0 released in the last 12 months (vs 13 the year before) · median price $7.99
Not enough estimated games in this niche for an honest verdict yet — a median under the coverage floor would be a lie with confidence. The counted facts below stand on their own.
Aggregated over 1,223 stored reviews from 35 games.
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.
The top 5 games hold 83% of the niche's 5,803 reviews; it takes 5 games to reach 80%. Fewer games to 80% means a harder niche to be seen in.
| Game | Released | Reviews | Steam says |
|---|---|---|---|
| Under The Waves | 2023 | 2,182 | Mostly Positive |
| Fantasy Aquarium | 2024 | 1,014 | Mostly Positive |
| Ocean Keeper: Dome Survival | 2025 | 863 | Mostly Positive |
| Subterror | 2025 | 476 | Very Positive |
| Silent Depth 2: Pacific | 2024 | 276 | Mixed |
| The Trench | 2022 | 167 | Very Positive |
| The Sirena Expedition | 2023 | 139 | Very Positive |
| Port Cranes : Container Age | 2022 | 56 | Mostly Positive |
| Critical Fishing | 2024 | 51 | Very Positive |
| X-Out: Resurfaced | 2025 | 48 | Positive |
Combine Submarine with other tags — and exclusions — in the segment workspace, or describe your concept and get this verdict on your exact combo.
Counts are measured (reviews, releases, prices); concentration is review-share, not an index; momentum is new-review pace between our own daily observations, computed across the segment's 400 most-reviewed games.