Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.
- Final Destination: Complete The End in a party of four.
- Full-time Ass-kicker: Reach rank 20.
- Game in a game: Complete a game in a game.
- Growing Stronger: Complete a map with a Feat of Strength enabled.
- Halfway Awesome: Reach Rank 10.
- Hercules: Complete a map with 5 Feats of Strength enabled.
- Hope Rides Alone: Complete Facility, Rocky Fields, Giant Trees and Swamp.
- Humble Beginnings: Complete your first map.
- Team Player: Complete one level with 5 Feats of Strength enabled in Co-op.
- The Bas(e)ics: Build 20 tower bases.
- The Best Defense is Offense: Upgrade a tower to the max.
- Total Badass: Complete Facility, Rocky Fields, Giant Trees and Swamp with 5 Feats of Strength enabled.