mmo shooter game 
https://www.newgrounds.com/portal/view/769121

quoting the game description:

Deadswitch 3 is a fast-paced multiplayer shooter with plenty of game modes, maps, and weapons!

Ranked

• Play ranked games with other players online or set up your own local matches against bots
• Customize your character, custom classes, and killstreaks
• Unlock new equipment as you progress through the ranks

Operations

• Play objective-based missions solo or with a friend
• Increase the difficulty to earn more stars
• Each operation offers a different reward

Survival

• Survive as long as you can against endless waves of enemies

General/Movement

• Esc/P - Pause
• WASD - Move
• Space - Jump
• Shift - Sprint
• Control - Crouch

Weapons/Inventory

• E - Interact
• R - Reload weapon
• Q - Switch weapon
• V - Melee attack
• Z - Use killstreak
• Mouse wheel/arrow keys - Cycle current killstreak

• Make sure hardware acceleration is enabled for your browser!
• Use a Chromium-based browser (e.g. Google Chrome)
• Play in fullscreen: Settings > Fullscreen
• Use performance mode if you have low FPS: Settings > Performance Mode
• Close other programs