Portal™: Prelude RTX

Nicolas “NykO18” Grevet and David “Kralich” Driver-Gomm

Available Ready to Play Premium tier ActionFirst Person ShooterPlatformer

Portal: Prelude RTX is a stunning fully ray-traced remaster of the iconic prequel mod for Portal, featuring NVIDIA DLSS 3 and RTX IO. Survive a facility run by Aperture Science's heartless employees in 19 challenging new chambers and learn how everything came crashing down.

Available on GeForce NOW

Play type: Ready to Play — no install needed
Membership: Premium required
Last verified: 28 Jul 2026

Available on

Steam · Nicolas “NykO18” Grevet and David “Kralich” Driver-Gomm Open store ↗

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