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