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Portal

The real Source engine running the retail Portal files. Downloads about 4 GB on first start.

How it works

1. Install the APK (allow installing from this source when Android asks).
2. Open it and allow storage access.
3. It downloads 3.94 GB of game data from this server, with a progress bar. Stay on Wi-Fi and plugged in.
4. When the bar fills, the game starts. Next time it starts straight away.

1719 files · published 2026-09-07 · data url /games/portal/data