Here is the full list of all 35 Tower Wars achievements.
Defeat three different bots in matches.
Play a match against a bot.
Defeat a bot in a match.
Win a ranked match by only sending Mr. Moopsys.
Place 3 Lava Towers in a ranked match.
Defeat [SVS] blea or someone who has defeated [SVS] blea in a ranked match.
Defeat [SVS] Alter-Nate or someone who has defeated Alter-Nate in a ranked match.
Win a game with at least one Mortimer the Malevolent attacking the enemy castle in a ranked match.
Play all 3 Classic Challenges.
Play a co-op game with a buddy or two.
With or without teammates, attack a single unit with every tower type in a ranked match.
Complete the tutorial.
Defeat a Tower Wars developer in a ranked match.
Build 10,000 towers in ranked matches.
Send 10,000 units in ranked matches.
Send a full unit wave of Minstrels.
Send a wave containing all unit types.
With or without teammates, steer an enemy unit through 16 hexes affected by Cyclonic Momentum Decelerators in a row.
Build the ultimate long-range weapon in a ranked match.
Successfully defend your castle in a co-op game.
Submit a mod to the Tower Wars Steam Workshop.
Play a mod with someone from your friends list.
Achieve a 4 star rating for a mod you submitted.
Achieve a player score of at least 1200 in the original leaderboards before the reset.
Achieve a player score of at least 1150 in the leaderboards before the official seasons begin.
Rank in the top 100 at the end of any Tower Wars Season.
Rank in the top 50 at the end of any Tower Wars Season.
Rank in the top 10 at the end of any Tower Wars Season.
Rank in the top 5 at the end of any Tower Wars Season.
Rank #1 at the end of any Tower Wars Season.
Play a match against every bot.
Defeat six different bots in matches.
Defeat all bots in matches.