40,000 is a fast-paced survival roguelike built around movement, ability synergies, and overwhelming numbers of enemies.

Fight through an ever-growing swarm, collect XP, level up, and combine upgrades to turn simple abilities into ridiculous builds.

Projectiles can split, chain and bounce. Areas can grow and follow you. Attacks become faster, larger and stronger as your build develops.

The arena is part of the build too. Run, jump, climb and use the environment to survive while the enemy count keeps rising.