Slay the Spire

Forge of Empires is a free browser game that gives you the opportunity to lead an empire. Build and develop your city from the stone age to the modern day and beyond. Research technologies that unlock new buildings, decorations, and expansions for your city. Manage an army with five different types of battle units and plunder your enemy's cities for resources. Use those resources to manufacture goods and trade with your neighbors. Join a guild to cooperate and compete with other players. Frequent special events introduce new challenges regularly.

Dark Souls is a game from From Software, developers of the spiritual successor to Dark Souls, Demon Souls. In this unique game filled with mechanics from action games and RPG games, you can experience brutal combat against many different creatures in a dark, mysterious universe. While the game focuses on a single-player experience, you can face other human opponents from around the world via the invasion system which lets you teleport into someone else's game where you can try to take them down for various rewards.