2 official sources support the stable facts on this page. 1 independent source are labeled as cross-checks, not primary proof.
Last reviewedQuick answer
IRON NEST 1.0 is currently single-player. The developer FAQ updated August 1 confirms future Heavy Turret Simulator multiplayer with cooperative and competitive modes but gives no date. A separate same-platform co-op game is planned for late 2027 or early 2028. An unofficial Nexus Mod offers co-op/PvP now with explicit testing caveats.
What the reviewed sources establish
- Steam currently lists Single-player.
- Future Heavy Turret Simulator multiplayer is officially confirmed.
- The separate co-op project puts several players aboard the same platform.
- The Nexus option is a community Mod, not official support.
Use this current-build checklist
- Check the Steam feature panel for what is playable now.
- Check the dated FAQ and announcements for a shipped official multiplayer update.
- For the Mod, read its current requirements and bug notes on the original page.
Keep the answer current
- Confirmed future support is not a current feature.
- Late 2027/early 2028 refers to the separate co-op title.
- Mod multiplayer can break or desync.
Verification boundary
What still needs live verification
The official direction is confirmed, but no release date is provided for Heavy Turret Simulator multiplayer and all future windows can change.
Official descriptions establish stable scope. Interface paths, balance, values, rewards, schedules, and version-specific behavior must still be checked in the current game build.
Official media and records
Check the primary sources
Use these official pages for the current store description, announcements, screenshots, patch notes, or platform status.