Porthole - Local Port Sharing

Play LAN and self-hosted games with faraway friends. Porthole is a proxy that forwards a port you pick to your Steam friends, so they connect as if on your LAN. No port forwarding, no public IP, no router setup. A Steam-based take on Hamachi and Radmin.

At a glance

• Platform: Windows, Linux.
• Genres: Free To Play, Utilities, Web Publishing, Game Development.
• Release date: Aug 3, 2026.
• Steam user reviews: Very Positive (93% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

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