Here is the full list of all 56 The Last Friend achievements.
Defeat Ty-son.
Rescue 15 dogs in the game.
Perform a 40-hit combo without taking any damage.
Place at least 20 traps in a mission.
Finish a mission with at least 5 fire turrets active.
Place a water turret and a fire turret on the same lane.
Destroy 20 projectors at EON Facility.
Rescue your first dog.
Level up your first dog.
Purchase your first RV upgrade from T. JUAN’s WORKSHOP.
Defeat J.J. in the sewers.
Defeat Legit in St. Petrol.
Finish a mission with at least 5 water turrets active.
Finish a stage with at least 5 level 3 turrets active.
Use 30 Yolos to blow up other enemies.
Rescue all dogs in the game.
Complete all 4 pack trials.
Give every dog an awesome name.
Level up 10 dogs to level 3.
Purchase at least 12 upgrades from T. JUAN’s WORKSHOP.
Hit 100 enemies using your TACKLE attack.
Hit 100 enemies using your STOMP attack.
Hit 100 enemies using your UPPERCUT attack.
Hit 50 enemies using your COUNTER attack.
Grab and throw 100 times.
Throw 1,000 punches into the air without hitting anything.
Use your special attacks without hitting anything 100 times.
Defeat the C.E.O at Eon Facility.
Defeat the Tiger of the north.
Defeat the Cobra of the South.
Defeat the Monk Supreme at The Monastery.
Defeat T. Killa in Capitol D. City.
Defeat Major FORD and complete the game.
Finish a mission with at least 10 level 2 walls active.
Complete a mission letting your turrets do all the work. Alpha cannot attack.
Collect 300 scrap by recycling turrets in a mission.
Team up with every friend at least once.
Charge your Instinct bar 3 times in a mission.
Team up with the Akita and maintain your damage boost active for 1 minute.
Team up with the Newfoundler to heal a cumulative total of 3,000 HP of your offensive and defensive equipment.
Team up with the Corgi and maintain your damage boost active for 1 minute.
Team up with the Husky to avoid ice and poison damage 50 times.
Team up with the Doberman to absorb a cumulative total of 500 HP from enemies
Destroy 100 enemies using the Schnauzer's K-9 attack.
Complete all Rescue Missions.
Collect all tunes and complete Terrie’s sidequest.
Collect all honeycombs and complete Goldie’s sidequest.
Collect all launch codes and complete Agent D.O.G.’s sidequest.
Use the poison effect to explode the terrain 10 times.
Throw 20 enemies into the Wild River.
Enter all rooms inside the Secret Shrine.
Activate all alarms during the Infiltration mission.
Finish the Collateral Damage mission with 3,000 scrap left.
Expend a total of 100,000 scrap on your journey.
Complete all missions in the game.
Unlock all achievements in the game.