Portal on Steam

Action, Adventure - Released: Jul 18, 2023

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...

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Rexaura

Action, Free To Play, Indie - Released: Dec 10, 2014

Rexaura is a modification for Valve's Portal containing a new 20-chamber campaign centered around high energy pellets and many new testing elements. It is recommended for players who are familiar with Portal but want an extra challenge.

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Pirates Vikings & Knights II

Action, Indie, Free To Play - Released: Feb 12, 2010

Step into the ultimate three-way war for honor, glory, and gold! This beloved community-driven game brings together swashbuckling Pirates, battle-hardened Vikings, and chivalrous Knights in hilarious and intense class-based combat.

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Smashball

Action, Sports - Released: Jun 18, 2009

Smashball is a fast-paced, ultra violent first-person sports shooter. Two teams use super-human maneuvers, a real-physics grappling hook and high-powered weaponry to try to get a single ball into their opponent's goal.

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D.I.P.R.I.P. Warm Up

Action, Indie, Racing - Released: Oct 3, 2008

D.I.P.R.I.P. is a Half-Life 2 multiplayer total conversion. Gameplay is based on vehicle combat in various post-war environments. Vehicles use multiple weapon mounts which are activated by finding weapons scattered around the battlegrounds.

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Synergy

Action, Free To Play - Released: Oct 3, 2008

Synergy enables you to play through the Half-Life 2 series and many other singleplayer Source Mods cooperatively with friends.

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Age of Chivalry

Indie - Released: Oct 3, 2008

Age of Chivalry is a total conversion for Half-Life 2 from Team Chivalry, a close group of friends dedicated to creating a fun, story-driven multiplayer experience set in a fantasy world in the medieval ages.

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Portal: Ambition

Action, Indie, Strategy

Portal: Ambition is a semi-story-driven campaign that offers hours of gameplay through puzzles and out-of-bounds tasks. Work with a scientist from a different section of the facility, help retrieve important information and data.

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