First, check the direction
The developer describes dive valves as one-way obstacles used to teach a movement concept. If you want only a nudge, inspect the approach from each side before opening the answer.
Reveal the mechanic
A dive valve blocks passage from below. Reach the upper side and perform a dive to open the hatches. Repeated valves reinforce the same relationship between movement and the gate.
If you are still stuck
Check the current in-game control bindings for the dive action; this page does not guess a keyboard or controller button. Note your position and the direction of approach before trying again.
Separate a control issue from a route issue
- Check which action your current bindings call a dive; do not assume a button from another platform.
- Confirm that you can perform that action away from the gate.
- Return to the obstacle and compare your position with the revealed mechanism above.
- If the behaviour differs, record the platform, version and location before reporting a correction.
This checklist cannot confirm that a particular room is reachable from your current route. It helps identify what information is still missing without inventing a walkthrough.
Version note
This explanation comes from a developer post dated August 5, 2025. It explains the design of the mechanism, not a verified room-by-room route through the release version.