Avoid your watery grave in this asymmetrical co-op horror game where you and a friend take the roles of a submarine Pilot and Mechanic. Work together to repair the ship, solve puzzles, avoid a deadly creature, and make it back to the surface before time runs out! It's time to Sync or Swim

Positive Now
47%555 reviews on Steam
30-Day Trend
—Not enough history yet (since 21 Oct 2026)
Last 12 Months
56%+9 pts on 47% since launch
Reviews Last Month
1October 2026, −93% on the 12-month average
| Month | Positive | Negative | Average players |
|---|---|---|---|
| October 2026 | 1 | 0 | 0 |
| September 2026 | 3 | 2 | — |
| August 2026 | 3 | 1 | — |
| July 2026 | 1 | 4 | — |
| May 2026 | 22 | 1 | — |
| April 2026 | 1 | 3 | — |
| March 2026 | 6 | 3 | — |
| February 2026 | 8 | 10 | — |
| January 2026 | 5 | 5 | — |
| December 2025 | 8 | 6 | — |
| November 2025 | 27 | 14 | — |
| October 2025 | 8 | 25 | — |
| September 2025 | 6 | 2 | — |
| August 2025 | 12 | 22 | — |
| July 2025 | 35 | 33 | — |
| June 2025 | 130 | 182 | — |
Too few recent reviews to call a trend10 in the last three finished months
Steady at 47% positive since 21 Oct 2026555 reviews when we first checked
Steam’s review score each time our store check saw it change, since 21 Oct 2026. How we count
| Notable | Month | Reviews | Positive |
|---|---|---|---|
| Busiest month | June 2025 | 312 | 42% |
| Most positive | July 2025 | 68 | 51% |
| Least positive | June 2025 | 312 | 42% |
Best and worst counts months with at least 50 reviews.
| Month | Last 3 months | That month | Reviews | All so far |
|---|---|---|---|---|
| October 2026 | — | — | 1 | 47% |
| September 2026 | — | — | 5 | 47% |
| August 2026 | 81% | — | 4 | 47% |
| July 2026 | 75% | — | 5 | 46% |
| May 2026 | 81% | 96% | 23 | 47% |
| April 2026 | 48% | — | 4 | 45% |
| March 2026 | 51% | — | 9 | 45% |
| February 2026 | 50% | — | 18 | 44% |
| January 2026 | 62% | — | 10 | 44% |
| December 2025 | 49% | — | 14 | 44% |
| November 2025 | 50% | 66% | 41 | 44% |
| October 2025 | 35% | 24% | 33 | 42% |
| September 2025 | 48% | — | 8 | 43% |
| August 2025 | 43% | 35% | 34 | 43% |
| July 2025 | 43% | 51% | 68 | 43% |
| June 2025 | 42% | 42% | 312 | 42% |