Hit Zero: Chronos

Start with a pistol and try to erase every enemies in the area. You’re given the power to control time, you can use the bullet time management to assassinate your targets in any way you like.

Features:

• Over 20+ levels
• Physics environments where obstacles react realistically to the bullet
• Bullet time twist
• Pistol,rifle, AK, Grenade Launcher
• Mini games
• Supports key remapping

My other games:
https://store.steampowered.com/app/1362310/Zombie_Simulator/
https://store.steampowered.com/app/1213370/Mr_Fast/
https://store.steampowered.com/app/1141650/Crowd_Simulator/
https://store.steampowered.com/app/1065230/Room_of_Pandora/

Source: Steam Store Description