Most of the feedback I've gotten is that the game is too difficult.
Patch 1.10 focuses on balancing, especially making the game a bit easier.
Over 40 changes to Towers, Spells, Tiles and Enemies and most importantly, the initial money and money for clearing a wave will be increased in all levels.
Full patchnotes below:
General:
Increased money on level start: +150$ in all level
Increased money after a wave is cleared +20$
Tower Changes:
Increased Ballista Tower Damage 15 -> 16
Increased Tesla Tower Damage 30 -> 35
Decreased Tesla Tower Cost 120 -> 110
Increased Bolt Tower Range 6 -> 7
Increased Cold Tower Tier I Damage 12 -> 15
Increased Earthquake Tier I Damage 40 -> 42
Increased Earthquake Tower Range Tier I 4 -> 5, Tier II 5 -> 6, Tier III 6 -> 7
Increased Enchantment Tower Range Tier I 3 -> 4, Tier II 4 -> 5, Tier III 5 -> 6
Increased Fire Tower Tier Damage per Tick 16 -> 18
Increased Net Tower Atk Rate 3 -> 2.5
Spell Changes:
Reduced Freeze Spell Cooldown 80 -> 60
Reduced Frenzy Spell Cooldown 80 -> 60
Reduced Meteor Spell Cooldown 120 -> 100
Reduced Tornado Spell 120 -> 100
Reduced Tornade Mana Cost 6 -> 5
Tile Changes:
Increased Armory Range Mod -15% -> -12%
Increased TrapRoom Attack Speed Mod -25% -> -20%
Increased Stone (Basic Tile) Range Mod -30% -> -25%
Increased Stone (Basic Tile) Damage Mod -50% -> -40%
Enemy Changes:
Reduced Bat base health: 60 -> 55
Reduced Bat base move speed 2.2 -> 2.1
Reduced BigBlob base move speed 1.9 -> 1.8
Reduced SmallBlob base move speed 2 -> 1.9
Reduced Golem & Golem Thrower base health 300 -> 280
Reduced Golem & Golem Thrower base move speed 1.1 -> 1
Reduced cost to destroy rocks form Golem Thrower 30 -> 20
Reduced Skeleton Mage base move speed 1.9 -> 1.8
Reduced Monster Plant base health: 150 -> 140
Reduced Necromant elemental armor 12 -> 10
Reduced Orc (Green, Blue, Red) base health 100 -> 90
Reduced Redwing base move speed 1.6 -> 1.4
Reduced Green Spider base move speed 2 -> 1.8
Reduced Spikey base health 100 -> 90
Reduced Spikey physical and elemental armor: 15 -> 13
Reduced Skeleton Warrior base health: 150 -> 130
Reduced Wasp base move speed 2 -> 1.8
Boss Changes:
Reduced base health of all Bosses by ~10%
Reduced Golem Boss base move speed 1.1 -> 1.0
Reduced Necromant Boss elemental armor 12 -> 10
Reduced Skeleton Warrior Boss physical armor 8 -> 6 (matches the basic variant now)