1. Warhammer 40,000: Inquisitor - Martyr is a free-to-play action RPG set in the Warhammer 40,000 universe, developed by NeocoreGames and published by Neocore Games. The game allows players to take on the role of an Inquisitor, tasked with investigating and eliminating threats to the Imperium of Man, the dominant human civilization in the Warhammer 40,000 setting.

2. The game features a vast, procedurally generated open world, allowing players to explore different planets and environments, engage in combat with a variety of enemies, and uncover the secrets of the Inquisition. Players can choose from various character classes, each with their own unique abilities and playstyles, and can customize their equipment and abilities to suit their preferred approach to the game.

3. Warhammer 40,000: Inquisitor - Martyr is available for free on the Steam platform, and the article provides a direct link to the game's Steam page, where players can download and install the game. The article also notes that the game has received positive reviews from players, praising its immersive Warhammer 40,000 setting, deep character customization, and challenging combat.