Here is the full list of all 50 Tower Tactics: Liberation Playtest achievements.
Win the game 100 times
Win the game using Deprived Soul
Win the game using Leading Legacy in Ascension 20
Win the game using Wandering Colossus in Ascension 20
Win the game using Holy Guild in Ascension 20
Win the game using Everchanging in Ascension 20
Win the game using Resonating Echoes in Ascension 20
Win the game using Early Bird in Ascension 20
Win the game using Ace in the hole in Ascension 20
Win the game using Deprived Soul in Ascension 20
Defeat the Sector 2 boss
Win the game for the first time
Win the game 10 times
Unlock Ascension 1 with any deck
Unlock Ascension 5 with any deck
Unlock Ascension 10 with any deck
Unlock Ascension 15 with any deck
Unlock Ascension 20 with any deck
Win the game using Leading Legacy
Win the game using Wandering Colossus
Win the game using Holy Guild
Win the game using Everchanging
Win the game using Resonating Echoes
Win the game using Air Support
Win the game using Early Bird
Win the game using Ace in the hole
Win the game using Air Support in Ascension 20
Reach level 5
Reach level 10
Reach level 15
Reach level 20
Reach level 25
Reach level 30
Create a common offering
Create an uncommon offering
Create a rare offering
Create a mythic offering
Unlock the Sanctuary
Unlock the mythic offering slot
Unlock Wandering Colossus
Unlock Holy Guild
Unlock Everchanging
Unlock Resonating Echoes
Unlock Air Support
Unlock Early Bird
Unlock Ace in the hole
Unlock Deprived Soul
Win the game using no offerings in Ascension 20
Reach a 10 game win streak
Defeat the Sector 1 boss