Tombstone MMO is a western-futuristic, low-res 2D indie MMORPG set in a post-climate-apocalyptic world.
System Requirements
Minimum:
Requires a 64-bit processor and operating system
OS *: Windows 7 or newer
Processor: Intel Core i3 or equivalent
Memory: 4 GB RAM
Graphics: Integrated graphics or dedicated GPU with at least 1GB VRAM
Storage: 1 GB available space
https://store.steampowered.com/app/2796800/Tombstone_MMO/