BTD5 Daily Challenges — 2015-12-21
- Rounds 19 - 65 on Express Shipping Hard
- Starting cash: 1989; Starting lives: normal
- Reward: 50
- Towers: 4/1 Sniper Monkey, Super Monkey, Monkey Apprentice, 2/4 Monkey Village, and 4/2 Monkey Sub
- All agents allowed
- Provided: 1 Portable Lake
- Bloon rank changes: MOAB -> BFB, BFB -> ZOMG
- By sniper 355