To view your achievements and stats in Steam, select "Community", then search for the game hub that corresponds to "Desert Ashes (PC)". Select the "View Stats" drop down option, then choose the option for your username's achievements.

Achievement	How to unlock
Battlefield Leader	Win 5 online matches.
Ding!	Level-Up in multiplayer stats.
Full Frontal Assault	Complete the Winged Assault episode.
Human Intelligence	Beat the AI in a skirmish match.
Mega-Kill	Destroy 5 units in one turn.
Multi-Kill	Destroy 3 units in one turn.
Online Participation	Played an online match.
Online Victory	Win an online match.
Revenge Served	Complete the Landian Strikeback episode.
Rookie Trains	Complete the Winged Uprising episode.
Ultra-Kill	Destroy 4 units in one turn.