Pixelpusher

Pixelpusher is a free arcade-style 2D multiplayer team combat game with intuitive mechanics. Guide your swarm of drones in combat. Dodge, block, and position yourself to avoid enemy drones. Use teamwork and special abilities to zone and surround your targets. Play capture the flag with up to 32 players.

Based on my favourite part of my favourite trademarked .io game.Features Simple mechanics: Movement, positioning, and momentum
Strategy de-emphasized
Low commitment
Server-based online multiplayer
Offline single player versus bots