Reef Defense is a fast-paced, intense strategy game where relentless waves of crustaceans are coming for your precious eggs! Arm your reef with strategically positioned defenses and hold the line. Can you outlast the swarm, or will your eggs become crab food?

Public builds
—No reading yet
Counted once we have watched for 90 days (since 21 Oct 2026)
Distinct builds deployed to a game's public (default) Steam branch, as Steam's client network describes them.
Checked within minutes of each Steam change. Observed since 21 Oct 2026.
Source: Steam client network (PICS), App info, public branch. Full methodology
Latest public build
Build 26091275
Update posts
3 postsPosts announcing an update, tagged or not
Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.
Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology
Typical gap between builds
Not enough builds yet| Build | Went live | Patch notes |
|---|---|---|
| 26091275 | Controller change: October 21, 2026 | |
| 25973754 | October 15 update |
From Steam’s client network, last checked . Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s update post from an hour before to a day after the build. Not every build gets one. How we count
| Posted | Update |
|---|---|
| 16 Oct 2026 | October 15 update Patch notes |
| 29 Sept 2026 | Reef Defense Release Notes 1.2 Patch notes |
| 25 Jul 2025 | Hotfix: The Pirate Ship Revenge Patch notes |
| 24 Jul 2025 | Hot Fix Harbor Ledges. Undersea Volcano was too dark Patch notes |
| 17 Jul 2025 | July 16 patch Patch notes |
| 25 Jun 2025 |
| June 25, 2025 update Patch notes |
Steam keeps no record of past build numbers, so before 21 Oct 2026 a game’s update history comes from its own Steam news: posts tagged as patch notes, and untagged posts that plainly announce a patch or a released update. Older posts are still being read in, most played games first. How we count