Exponential Upgrades

[TheJP]

Issue to collect all tasks and problems regarding upgrades and exponential growth.

Tasks

• [ ] Wave monster count and strength grow exponentially
• [ ] Monsters drop give blood when killed
• [ ] Upgrade placeables using blood
• [ ] Upgrade system for each placeable that makes it exponentially stronger (and consume exponentially more)
• [ ] Adjust wave counts to player count