Sniper 3D Assassin® in 7 words: great gameplay, awesome visuals and entertaining missions.
SYSTEM REQUIREMENTS
MINIMUM:
Requires a 64-bit processor and operating system
OS: Windows 7, Windows 8.1 or Windows 10 (64 bit)
Processor: Intel CPU Core i3 @ 2.1 GHZ or AMD equivalent
Memory: 4 GB RAM
Graphics: AMD Radeon or NVIDIA GeForce (1 GB)
Storage: 1 GB available space
https://store.steampowered.com/app/922320/Sniper_3D_Assassin_Free_to_Play/