Overview
Half-Life 2: Episode One comes from Valve and is published by Valve. It arrived on Steam on Jun 1, 2006, and it sits naturally among Single-player, Steam Achievements, Full controller support, Captions available, Camera Comfort, Custom Volume Controls, Adjustable Difficulty, and Playable without Timed Input. SteamPulse tracks it across Windows, Linux, Steam, and Xbox so readers get a quick useful snapshot, not just a wall of numbers.
Players and reviews
Half-Life 2: Episode One's latest SteamPulse observation recorded 9 players at 13 September 2026 - 03:47:31 UTC, with a tracked peak near 19. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 95% positive across 14,666 reviews.
Language and system requirements
Half-Life 2: Episode One is available in 18 languages including:
3 regional rating boards including usk, dejus, and steam germany
| Platform | Type | OS | Processor | Memory | Graphics | Storage |
|---|---|---|---|---|---|---|
| Windows | Minimum | Not listed | Not listed | Not listed | Not listed | Not listed |
| macOS | Minimum | Not listed | Not listed | Not listed | Not listed | Not listed |
Sales, recommendations, and streams
Half-Life 2: Episode One has sold up to 10,600,000 units and has 25,776 Steam recommendations. The estimated VGI revenue is $55,200,000. On Twitch, 3 streamers are live with around 94 total watchers.