Follow the indicated steps to earn the corresponding Steam achievement. To view your achievement progress and stats, open the Steam client, select "Community", then search for the game hub for "Marble Duel (PC)". Click the "View Stats" option in the drop down list, then select the option that displays the achievements for your account.

Achievement	How to unlock
Aggressor	Deal over 30 damage points in one turn.
Aviator	Win the Airplane mini-game.
Candle Extinguisher	Win the Candles mini-game.
Chain Breaker	Win the Roulette mini-game.
Chain Lord	Chain of 8 hits.
Chain Master	Chain of 6 hits.
Chain User	Chain of 4 hits.
Competent Strategist	Win a duel before 5 of your turns were up.
Crafty	Receive 6 additional spheres in one turn.
Crow Slayer	Kill all the crows in the Airplane mini-game.
God of War	Win a duel before 3 of your turns were up.
Hands Clean	Win a duel without using red spheres.
Music Lover	Win the Cave mini-game.
Provident	Win a duel before 10 of your turns were up.
Rapid Shooter	Destroy the spheres in a moving string.
Sneaky	Receive 3 additional sphere in one turn.
The Lord of pain	Deal over 60 damage points in one turn.
Trial by Fire	Win the first duel.
Trickster	Receive 12 additional spheres in one turn.