Content Update 3 - Single Player/Co-Op Drone Invasion Beta — Sweaty Palms Steam update #132861

Changelog: * New Single-Player/Co-Op Drone Invasion Game Mode (beta): Survive 10 waves of drone invaders. Each wave has more drones at a faster spawn rate. For now you will respawn with infinite lives, so this is just an opportunity to try out the earliest working version of this mode and give feedback. * Pistol moved from your hip to the center of your back to avoid issues with accidentally grabbing the pistol while trying to fire turrets. --------------------------------------------------------------------------------------------------------- Drone Invasion updates coming soon: * Drone Invasion will allow up to 6 players all on the same team. At least one player will have to survive to the end of each wave to revive dead teammates and continue the game. * Better drone AI with more enemy varieties. We ultimately want individual enemies to be formidable instead of relying on large quanti...