Here is the full list of all 31 Swarm Grinder achievements.
Survive for 25 minutes.
Win the game after collecting over 100 Bio Shards in a single run.
Kill 10,000 enemies in one run
Activate 50 explosions in under 3 seconds.
Deal more than 400 damage to an enemy in one hit
Win the game 10 times
Deal the final blow to a boss by landing a Drilling Station on it.
Win the game under 8 minutes
Take 3 special upgrades in a run
Win the game with only one active skill
Win the game without distributing any points to permanent upgrades
Win the game with only taking Blade skills as active skills
Win the game with only Bullet skills as active skills
Lose the game under 15 seconds
Win the game
Win the game under 15 minutes
Take a special upgrade
Kill 2,000 enemies in one run
Survive for 10 Minutes
Win the game 25 times
Kill 150 enemies with Drilling Station in one run.
Win the game with the "Hard Difficulty" mutator on.
Win the game with the "Hard Difficulty" mutator on, without distributing any points to Workshop upgrades.
Survive for 35 minutes.
Win the game with 5 Active skills.
Deal more than 2000 damage to an enemy in one hit.
Kill total of 10.000 enemies.
Kill total of 50.000 enemies.
Win the game with only Launcher skills as active skills.
Complete the Plateu map with Evolution 2.
Complete the Cave map with Evolution 2.