Bullet Heroes is a team shooter built for the browser: you join a side, coordinate with teammates and fight for objectives across 3D maps. The emphasis is on cooperation rather than lone-wolf play — the modes are built so a coordinated team beats better individual players.
Matches are short and there's no account required, which keeps the barrier low.
Yes — the modes are built around teams working together for objectives rather than individual scores.
No — matches can be joined directly in the browser with nothing to install.
Yes, though it's a 3D shooter — lower the settings on older hardware.