Monster Slayers - a card based rogue-like - has been released on Steam:

Developed by Nerdook (Reverse Crawl, Vertical Drop Heroes), Monster Slayers is a complete reimagining of the free web-based hit of the same name, which has been played over 4 million times on gaming portal, Kongregate. A rogue-like deck-building RPG adventure, Monster Slayers uses an innovative card-based battle system and lets you customize a deck to suit your play style. Create a new hero to join the Monster Slayers Guild and choose your path through the perilous Northern Valley as you follow your quest to defeat the legendary Harbinger and become a true Monster Slayer.

Video Review by Cosmic Engine:

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Features

• Battle undead goblins, lion outlaws, mighty dragons and other monstrous foes using a unique card-based combat system
• Strategically shape your deck as you acquire new cards from merchants, treasure chests, and allies
• Collect fame from each run to unlock new abilities that can be used by future heroes
• Every playthrough is different: levels, enemy encounters and loot are randomly generated
• Choose from six different classes: Rogue, Ranger, Knight, Barbarian, Cleric, Wizard
• Recruit companions to join you on your quest and make use of their special abilities
• Equip your hero with stat-boosting loot to improve the chances of victory
• Fight for your place at the top of the Monster Slayers leaderboards
• Inspired by the much-loved deck-building RPG, Dream Quest, created by Peter Whalen (Hearthstone)

Thank you for the info Darkheart!