Monolith

- Fixed 2x/3x game speed not dealing full damage — combat now scales properly at higher speeds
- Improved bullet hit detection, fewer missed shots at high speed
- Fixed a bug where high Silver amounts could break at very high waves
- Leaderboard: fixed incorrect rank/score display
- Store: gold packs removed, economy upgrades now purchased with Gems
- Removed the Interest upgrade
- Various Lab cost and balance adjustments
- Bug fixes and performance improvements