2.0

• Added 2 new materials
• Added 1 new ore block (Titanium)
• Added 4 new turrets
• Added 2 new player weapons
• Added liquids, conduits and pumps
• Added extractor blocks
• Added 3 new armor blocks
• Added 3 new enemies
• Added 4 different enemy tiers
• Decreased enemies per wave, but increased health and damage per enemy
• Added multiple placement modes (on Android)
• Increased drill speed, but increased cost (this should help prevent item lag, as it is now harder to spam drills)
• Halved cost of most blocks
• Fixed crash caused by junction block
• Changed block selection UI
• Changed title screen and logo
• Many UI tweaks
• Added pause toggle (space, by default)
• Allowed player to place blocks while paused
• Removed zoom buttons, scrolling is now done with the scrollwheel
• Changed terrible weapon sprites
• Changed weapon selection to only use number keys or clicks
• Made some blocks replaceable (e.g. steel walls can replace stone walls)
• Fixed turret prediction being inaccurate
• Changed turret names
• Many, many other bugfixes and tweaks

As always, please report any bugs you find! This release should be more unstable than usual, due to the amount of content added.