Here is the full list of all 25 Charlie's Adventure achievements.
Finish the game on any difficulty.
Finish the game on hard difficulty.
Finish the game on medium difficulty.
Collect all stars on any level.
Complete all levels with 3 medals.
Get 10 zombies to die by an Axe.
Get 10 zombies killed by the fire.
Get 10 zombies killed by the Arrow Machine.
Kill 200 Zombies.
Get 10 zombies to die by a Cannon.
Collect a total of 500 stars.
Hit the crazy zombie with the bombs with a bullet.
Slam the ground and hit a zombie 100 times.
Get 10 zombies killed by the Saw Trap.
Dash trough zombie 100 times.
Get the medic zombie to heal you for 100 total health.
Make the zombie that charges you hit a wall.
Kill 75 Zombies.
Collect a total of 100 stars.
Finish first level.
Dash trough zombie 10 times.
Slam the ground and hit a zombie 10 times.
Get 10 zombies to be squished by the Stone Trap.
Kill 10 Zombies.
Collect a total of 10 stars.