Here is the full list of all 34 Minishoot' Adventures achievements.
Surrender your power and leave the world
Finish each arena stage with at least 5 hearts left
Finish all stages of the arena
Find all modules
Read all the lore from the ancient tablets
Find all golden scarabs
Find the source of the corruption
Reunite the family
Beat the true last boss
Listen closely to the bard for 15 seconds
Finish the game in Explorer mode (or higher)
Finish the game in Original mode (or higher)
Finish the game in Advanced mode
Beat the final boss
In the forest, find the secret path in the secret path!
Win the race against all spirits
Free all your friends
Meet with the quasi-divine entity
Survive a fall from the 5th floor
Beat the beach boss
Beat the third boss
Beat the desert boss
Break all jars in the family house
Destroy 50 coconuts
Wake up the giant turtle
Wake up the tree thanks to the bard
Beat the second boss
Find three golden scarabs
Destroy 20 big non-boss enemies
Win a race against a spirit
Beat the first boss
Downgrade an upgrade
Find and use the Mini-gun
Fall into water